1990 Mitsubishi Sigma 3.0 30R-SE Specs


OVERVIEW

With a fuel consumption of 17.8 mpg US - 21.4 mpg UK - 13.2 L/100km, a weight of 3681 lbs (1670 kg), the Mitsubishi Sigma 3.0 30R-SE has a water cooling V-type 6 cylinder DOHC engine, a High octane premium gasoline engine 6G72. This engine 6G72 produces a maximum power of 212.9 PS (210 bhp - 156.5 kW) at 6000 rpm and a maximum torque of 269.6 Nm (198.9 lb.ft - 27.5 kg.m) at 3000 rpm. The engine power is transmitted to the road by the four wheel drive (4WD) with a 4AT gearbox. For stopping power, the Mitsubishi Sigma 3.0 30R-SE braking system includes Disk at the rear and Ventilated disk at the front. Stock tire sizes are 215/60 on 15 inch rims 90H at the rear and 215/60 on 15 inch rims 90H at the front. Chassis details - Mitsubishi Sigma 3.0 30R-SE has double wishbone rear suspension and McPherson strut front suspension for road holding and ride confort.

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GENERAL INFORMATION
Complectation Name3.0 30R-SE
Period of ProductionNov 1990 - Sep 1991
Drive Wheels - Traction - Drivetrain4WD
Body TypeSedan
Transmission Gearbox - Number of Speeds4AT
Engine Size - Displacement - Engine Capacity2972 cm3 or 181.3 cu-in
Frame NameE-F27A
Price of New Car in Tokyo, Yen3930000

MITSUBISHI SIGMA 3.0 30R-SE SIZE, DIMENSIONS AND WEIGHT
Exterior Length474 cm or 186.61 inches
Exterior Width177.5 cm or 69.88 inches
Exterior Height144.5 cm or 56.88 inches
Interior Length187 cm or 73.62 inches
Interior Width145 cm or 57.08 inches
Interior Height116.5 cm or 45.86 inches
Wheelbase272 cm or 107.08 inches
Front Axle Length153.5 cm or 60.43 inches
Rear Axle Length153 cm or 60.23 inches
Ride Height - Ground Clearance16 cm or 6.29 inches
Weight1670 kg or 3681 lbs
Num. of Seats5
Num. of Doors4
Minimum Turning Circle - Turning Diameter, m5.6
Fuel Tank Capacity18.4 US gallons
15.3 UK gallons
70 L

MITSUBISHI SIGMA 3.0 30R-SE ENGINE TECHNICAL DATA
Engine Code6G72
Maximum Power - Output - Horsepower212.9 PS or 210 bhp or 156.5 kW
Maximum Power RPM6000 rpm
Maximum Torque269.6 Nm or 198.9 lb.ft or 27.5 kg.m
Maximum Torque RPM3000 rpm
Engine Type - Number of Cylinderswater cooling V-type 6 cylinder DOHC
Fuel TypeHigh octane premium gasoline
Fuel Consumption (10/15 mode)17.8 mpg US
21.4 mpg UK
13.2 L/100km
Fuel Consumption (60 km/h mode)35.6 mpg US
42.8 mpg UK
6.6 L/100km
1st Gear Ratio2.551
2nd Gear Ratio1.488
3rd Gear Ratio1
4th Fear Ratio0.685
Rear Gear Ratio2.176
Compression Ratio10
Bore9.1 cm or 3.58 inches
Stroke7.6 cm or 2.99 inches

MITSUBISHI SIGMA 3.0 30R-SE SUSPENSION
Front Brakes - Disc DimensionsVentilated disk
Rear Brakes - Disс DimensionsDisk
Front SuspensionMcPherson strut
Rear Suspensiondouble wishbone
Front Tyres - Rims Dimensions215/60 R15 90H
Rear Tyres - Rims Dimensions215/60 R15 90H
Tyres - Rims Dimensions215 / 60 R15 90H

MITSUBISHI SIGMA 3.0 30R-SE EXTERIOR
SunroofNo
Tilt SunroofNo
Twin SunroofNo
Front SpoilerStandart
Rear SpoilerNo
Power Adjustable Door MirrorsStandart
Xenon LampsNo
Front Fog LampsStandart
Rear Fog LampsNo
Cornering LampsNo
Ultraviolet Glass ProtectionNo
Roof RailNo
Back WiperOption

MITSUBISHI SIGMA 3.0 30R-SE INTERIOR
Power WindowStandart
Power SteeringStandart
TachometerStandart
Centralized Door LockStandart
Keyless EnterStandart
Right Hand DriveStandart
Left Hand DriveNo
Leather WindingStandart
Adjustable SteeringStandart
Telescopic SteeringStandart
Tilt SteeringStandart
Wood PanelStandart
Cruise ControlStandart
Leather SeatOption
Power Adjustable SeatsStandart
Power Ajustable Front SeatStandart
Power Ajustable Back SeatNo
Reclining SeatsNo
Removable SeatsNo
Turning SeatsNo

MITSUBISHI SIGMA 3.0 30R-SE SAFETY
Drivers AirbagNo
Passengers AirbagNo
Side AirbagNo
Side Impact BarStandart
TCSNo
Break AssistNo
Parking RadarNo
Central Power Window ControlNo
Additional Stop LightNo
Safety Belt PretensionerNo
Safety Belt LimiterNo
3 Point Safety BeltStandart
Child Car RestraintsStandart
Durable FrameNo

AMENITY
CoolerNo
Automatic Air ConditioningStandart
Twin Conditioning SystemNo
Air PurifierNo
RadioStandart
Autoreverse CasetteStandart
CD PlayerStandart
CD ChangerNo
MD PalyerNo
MD ChangerNo

OTHER
LSDStandart
Front StabilizerNo
Rear StablilizerNo
Special EquipmentNo


- Present
- Option
- Not Present (or Dealer Option)



More photos Mitsubishi Sigma


By Brian Wong, Reviewed by: Kurt Niebuhr, Updated on March 29, 2024
πŸ“Œ Introduction to the 1990-1991 Mitsubishi Sigma 3.0 30R-SE
πŸ“Œ Engine Specifications
πŸ“Œ Performance and MPG
πŸ“Œ Dimensions and Sizes
πŸ“Œ Fuel Tank Capacity
πŸ“Œ Fuel Consumption Rates
πŸ“Œ Fuel Capacity Details
πŸ“Œ Average Fuel Efficiency (MPG)
πŸ“Œ Wheel Information
πŸ“Œ Trim Levels and Variants
πŸ“Œ Generational Changes
πŸ“Œ Notable Features
πŸ“Œ Ownership and Maintenance
πŸ“Œ Conclusion: The Legacy of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE
πŸ“Œ FAQ: Your Frequently Asked Questions about the 1990-Mitsubishi Sigma 3.0 30R-SE

Introduction to the 1990-1991 Mitsubishi Sigma 3.0 30R-SE

The 1990-1991 Mitsubishi Sigma 3.0 30R-SE represents a notable addition to the Mitsubishi Sigma lineup during those years. This particular model, available between November 1990 and September 1991, showcases a blend of performance, design, and features that made it a distinctive choice in the sedan category.

Body and Transmission:
The 1990-1991 Sigma 3.0 30R-SE featured a 4WD drivetrain, providing enhanced traction and stability, particularly in various driving conditions. Its sedan body type offered a balance between style and practicality. Equipped with a 4-speed automatic transmission (4AT), the car aimed to deliver a smooth driving experience.

Engine Power and Efficiency:
Under the hood, the Sigma 3.0 30R-SE housed a 3.0-liter V6 engine with the engine code 6G72. This engine produced an impressive 210 horsepower (bhp) or 156.5 kilowatts (kW) at 6000 rpm. Torque was rated at 269.6 Nm or 198.9 lb.ft at 3000 rpm. The 6-cylinder DOHC engine ran on high-octane premium gasoline and achieved reasonable fuel efficiency.

Dimensions and Weight:
In terms of size, the car measured 474 cm in exterior length, 177.5 cm in exterior width, and 144.5 cm in exterior height. Inside the cabin, passengers enjoyed a spacious environment with an interior length of 187 cm, 145 cm in width, and 116.5 cm in height. The wheelbase spanned 272 cm, contributing to stable handling. With a weight of 1670 kg, the Sigma 3.0 30R-SE struck a balance between robustness and agility.

Features and Safety:
The Sigma 3.0 30R-SE came with a range of standard features, including power-adjustable door mirrors, front fog lamps, power windows, and cruise control. Its safety features included a durable frame, standard 3-point safety belts, side impact bars, and child car restraints.

Wheels and Suspension:
The car rolled on 215/60 R15 90H tires mounted on 15-inch rims for a comfortable and stable ride. Its suspension system consisted of a front McPherson strut and a rear double wishbone setup, contributing to balanced handling characteristics.

Additional Amenities:
Inside the cabin, occupants could enjoy standard amenities like power steering, centralized door locking, and an adjustable steering column. An option for leather seats added a touch of luxury to the interior.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE blended a robust V6 engine with practical features and safety elements, making it a noteworthy choice in its era. Its combination of performance, size, and amenities aimed to cater to drivers seeking a versatile and comfortable sedan.

Engine Specifications

The heart of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE lies in its robust engine, delivering power and performance that defined its era. Here's an insight into the engine specifications that made this vehicle stand out:

Engine Power and Output:
Under the hood of the Sigma 3.0 30R-SE, you'll find the 6G72 engine, a water-cooled V-type 6-cylinder DOHC powerhouse. This engine commanded attention with its ability to produce an impressive 210 horsepower (bhp) or 156.5 kilowatts (kW) at 6000 revolutions per minute (rpm). This power output translated into spirited acceleration and highway cruising capabilities.

Torque and Rev Range:
The engine also excelled in the torque department, offering 269.6 Newton-meters (Nm) or 198.9 pound-feet (lb.ft) of torque at 3000 rpm. This torque provided the Sigma with ample low and mid-range power, ensuring responsive performance across various driving situations.

Fuel Type and Efficiency:
The Sigma 3.0 30R-SE was designed to run on high-octane premium gasoline, which not only optimized engine performance but also contributed to its overall efficiency. While specific fuel consumption figures may vary depending on driving conditions, this engine managed to strike a balance between power and fuel economy.

Transmission Options:
Paired with the engine was a 4-speed automatic transmission (4AT). This transmission choice aimed to deliver smooth and hassle-free gear shifts, enhancing the overall driving experience.

Compression Ratio and Engine Design:
The engine boasted a compression ratio of 10, contributing to its ability to extract maximum power from each combustion cycle. Its V6 configuration with dual overhead camshafts (DOHC) emphasized performance and efficiency, aligning with the car's positioning in the market.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE's engine specifications showcased a well-balanced blend of power, torque, and efficiency. This engine was a key component that contributed to the car's reputation as a capable and versatile sedan of its time.

Performance and MPG

Performance and fuel efficiency were key attributes of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE, making it a well-rounded choice in the sedan segment.

Engine Power and Acceleration:
The Sigma 3.0 30R-SE was equipped with a 3.0-liter V6 engine that delivered a formidable 210 horsepower (bhp) or 156.5 kilowatts (kW) at 6000 revolutions per minute (rpm). This level of power provided the car with robust acceleration, making it suitable for both city driving and highway cruising. The engine's torque output of 269.6 Newton-meters (Nm) or 198.9 pound-feet (lb.ft) at 3000 rpm further contributed to its impressive performance, ensuring responsiveness across various driving scenarios.

Fuel Efficiency - City and Highway:
While exact fuel consumption figures can vary based on driving conditions and individual driving habits, the Sigma 3.0 30R-SE managed to strike a balance between performance and fuel efficiency. In typical city driving conditions, it achieved a reasonable fuel consumption rate. On the highway, the car's efficiency further improved, making it a practical choice for long-distance journeys.

Transmission and Driving Experience:
The 4-speed automatic transmission (4AT) complemented the engine's power delivery by providing smooth and efficient gear changes. This transmission choice contributed to a comfortable and hassle-free driving experience, allowing drivers to focus on the road ahead.

Handling and Dynamics:
With a well-tuned suspension system consisting of a front McPherson strut and rear double wishbone setup, the Sigma 3.0 30R-SE offered balanced handling and ride comfort. The combination of these elements made it an enjoyable car to drive, whether navigating city streets or tackling winding roads.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE offered a harmonious blend of performance and fuel efficiency. Its V6 engine provided ample power for spirited driving, while its reasonable fuel consumption rates made it a practical choice for everyday use and longer journeys. This balance of attributes contributed to the Sigma's appeal as a versatile and capable sedan.

Dimensions and Sizes

Understanding the dimensions and sizes of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE is crucial in comprehending its physical presence and interior space.

Exterior Measurements:
The Sigma 3.0 30R-SE featured an exterior length of 474 cm (186.61 inches), which contributed to its spacious cabin and presence on the road. With an exterior width of 177.5 cm (69.88 inches) and an exterior height of 144.5 cm (56.88 inches), it offered a balanced and distinctive silhouette.

Interior Space:
Inside the cabin, passengers benefited from a generous interior length of 187 cm (73.62 inches). The interior width measured 145 cm (57.08 inches), providing ample room for occupants. The interior height was recorded at 116.5 cm (45.86 inches), contributing to a comfortable and airy feel within the car.

Wheelbase and Axle Lengths:
The Sigma 3.0 30R-SE had a wheelbase of 272 cm (107.08 inches), which not only contributed to its stable handling but also offered additional legroom for rear-seat passengers. The front axle length measured 153.5 cm (60.43 inches), while the rear axle length was 153 cm (60.23 inches).

Ground Clearance:
With a ride height or ground clearance of 16 cm (6.29 inches), the Sigma 3.0 30R-SE struck a balance between road presence and practicality. This clearance allowed for smooth navigation of various road conditions.

Weight and Seating Capacity:
The car had a weight of 1670 kg (3681 lbs), which was appropriate for its size and power. It offered seating for up to five occupants across its four doors, making it suitable for both family and business use.

Turning Circle and Fuel Tank Capacity:
The Sigma 3.0 30R-SE boasted a minimum turning circle or turning diameter of 5.6 meters (approximately 18.37 feet), ensuring maneuverability in tight spaces. It also featured a fuel tank capacity of 18.4 US gallons, equivalent to 15.3 UK gallons or 70 liters, which allowed for extended journeys without frequent refueling.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE offered a well-balanced combination of exterior dimensions, interior space, and practical features. These dimensions contributed to its versatility as a sedan, providing comfort and convenience for both drivers and passengers.

Fuel Tank Capacity

The fuel tank capacity of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE was one of its noteworthy attributes, contributing to its practicality for both daily commuting and longer journeys.

Generous Fuel Capacity:
This particular Sigma model came equipped with a fuel tank capable of holding up to 18.4 US gallons (approximately 15.3 UK gallons or 70 liters) of gasoline. This generous fuel capacity allowed drivers to cover substantial distances without the need for frequent refueling stops.

Extended Driving Range:
With a fuel-efficient engine and a sizable fuel tank, the Sigma 3.0 30R-SE provided an extended driving range between refueling stops. This characteristic made it suitable for highway cruising and long-distance travel, reducing the need for frequent interruptions during journeys.

Practicality and Convenience:
The ample fuel tank capacity of this Mitsubishi sedan not only offered convenience but also added to its practicality. Whether used for daily commuting or family trips, the ability to cover longer distances between refills enhanced the overall ownership experience.

Fuel Efficiency Balance:
While the specific fuel consumption rates may vary based on driving conditions and individual driving habits, the Sigma 3.0 30R-SE aimed to strike a balance between engine performance and fuel economy. This allowed drivers to enjoy the benefits of a spacious and powerful sedan without sacrificing efficiency.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE's fuel tank capacity played a pivotal role in making it a versatile and practical choice for drivers. With a substantial fuel reservoir, it offered the freedom to embark on longer journeys with fewer interruptions, enhancing the overall driving experience.

Fuel Consumption Rates

Understanding the fuel consumption rates of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE is essential for assessing its efficiency and operating costs.

City Fuel Consumption:
While specific fuel consumption figures can vary based on driving conditions and driving habits, the Sigma 3.0 30R-SE achieved reasonable fuel efficiency in urban or city driving scenarios. This made it a practical choice for daily commuting, offering a balance between power and economy.

Highway Fuel Efficiency:
On the highway, the Sigma's fuel efficiency improved further, making it well-suited for long-distance journeys. This enhanced efficiency reduced the need for frequent refueling during extended highway cruises.

Transmission and Fuel Economy:
The car's 4-speed automatic transmission (4AT) complemented its engine, contributing to efficient power delivery and gear changes. This transmission choice played a role in achieving a harmonious balance between performance and fuel economy.

Fuel Type and Efficiency:
Running on high-octane premium gasoline optimized the engine's performance, and its efficient design helped maintain reasonable fuel consumption rates. This combination allowed owners to enjoy the benefits of a powerful V6 engine while managing fuel costs effectively.

Fuel Efficiency Considerations:
It's important to note that individual driving habits and conditions can influence actual fuel consumption rates. Drivers who prioritize smooth acceleration and moderate speeds are likely to achieve better fuel efficiency.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE offered a well-balanced approach to fuel consumption, delivering reasonable efficiency in both city and highway driving scenarios. This balance made it a practical choice for a wide range of driving needs, from daily commuting to longer journeys.

Fuel Capacity Details

The fuel capacity details of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE provide insights into its ability to store and manage fuel efficiently.

Fuel Tank Size:
The Sigma 3.0 30R-SE was equipped with a fuel tank capable of holding up to 18.4 US gallons (approximately 15.3 UK gallons or 70 liters) of gasoline. This substantial fuel tank size allowed for extended driving ranges between refueling stops.

Practicality and Convenience:
The generous fuel tank capacity enhanced the practicality of this Mitsubishi sedan. Whether used for daily commuting or long-distance travel, the ability to cover more miles before needing to refuel added convenience to the ownership experience.

Reduced Refueling Frequency:
With a larger fuel tank, drivers of the Sigma 3.0 30R-SE could enjoy reduced refueling frequency. This not only saved time but also contributed to a smoother and uninterrupted driving experience during extended journeys.

Fuel Efficiency Balance:
While the specific fuel consumption rates may vary based on driving conditions, the car aimed to strike a balance between engine performance and fuel economy. The combination of a powerful V6 engine and a sizeable fuel tank offered a harmonious blend of power and efficiency.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE's fuel capacity details showcased its practicality and efficiency. The substantial fuel tank size allowed for longer journeys between refueling stops, making it a versatile choice for various driving needs.

Average Fuel Efficiency (MPG)

The average fuel efficiency (miles per gallon, MPG) of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE is an important consideration for assessing its overall cost of ownership and environmental impact.

City Driving Efficiency:
In urban or city driving conditions, the Sigma 3.0 30R-SE typically achieved a specific fuel consumption rate, which translated into its city MPG. This figure can vary based on driving habits and traffic conditions but generally reflected the car's efficiency in stop-and-go city traffic.

Highway Fuel Efficiency:
On the highway, the Sigma's fuel efficiency improved, leading to a specific highway MPG figure. This metric represented the car's ability to cover more miles per gallon when cruising at consistent speeds on open roads, contributing to its suitability for long-distance journeys.

Transmission and Fuel Economy:
The car's 4-speed automatic transmission (4AT) played a role in managing fuel efficiency by providing smooth gear changes and optimizing engine performance. The choice of transmission contributed to a balance between power and fuel economy.

Fuel Type and Performance:
Running on high-octane premium gasoline allowed the engine to operate efficiently and deliver its rated power. This choice of fuel type contributed to the overall fuel economy of the Sigma 3.0 30R-SE.

Real-World Considerations:
It's important to note that actual MPG figures can vary based on individual driving habits, terrain, and weather conditions. Drivers who prioritize fuel-efficient driving techniques, such as smooth acceleration and maintaining appropriate tire pressure, may achieve better fuel economy.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE offered a balance between city and highway fuel efficiency, making it a practical choice for various driving needs. Its MPG figures reflected its ability to combine performance with reasonable fuel economy, enhancing its appeal as a versatile sedan.

Wheel Information

Understanding the wheel information of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE is crucial for assessing its handling, stability, and overall road performance.

Tire Size and Specifications:
The Sigma 3.0 30R-SE was equipped with tires sized at 215/60 R15 90H. These tires provided a balanced combination of performance, grip, and comfort, making them suitable for a wide range of driving conditions.

Rim Dimensions:
The rims paired with these tires measured 15 inches in diameter. This rim size was chosen to complement the tire specifications and contribute to the car's overall handling characteristics.

Tire Type and Load Rating:
The 90H rating on the tires indicated their load-carrying capacity and speed rating. A higher load rating typically meant that the tires could support heavier loads, adding to the practicality of the vehicle.

Tire Design and Performance:
The choice of 215/60 R15 tires with a 90H rating aimed to strike a balance between ride comfort and handling performance. This tire configuration was well-suited for everyday driving as well as highway cruising.

Suspension and Handling:
The wheel and tire combination, along with the Sigma's suspension system, contributed to its overall handling characteristics. With a front McPherson strut and rear double wishbone setup, the car aimed to offer a balanced and stable ride, enhancing its handling and cornering capabilities.

Tire Maintenance:
Proper tire maintenance, including regular tire rotations and maintaining appropriate tire pressure, played a role in optimizing the car's handling and extending tire life.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE's wheel information highlighted its tire and rim specifications, which were carefully selected to provide a blend of performance, comfort, and stability. These details contributed to the overall driving experience and handling of the vehicle, making it a well-rounded choice for various driving conditions.

Trim Levels and Variants

The 1990-1991 Mitsubishi Sigma 3.0 30R-SE was offered with distinct trim levels and variants, allowing buyers to choose the one that best suited their preferences and needs.

Trim Levels:
The Sigma 3.0 30R-SE was positioned as a higher-end trim level within the Mitsubishi Sigma lineup during its production years. It represented a blend of performance, features, and comfort, catering to buyers seeking a well-equipped and stylish sedan.

Notable Features:
This trim level typically came generously equipped with a range of standard features, including power-adjustable door mirrors, front fog lamps, power windows, cruise control, and more. These features enhanced convenience, safety, and the overall ownership experience.

Performance Emphasis:
The 3.0 30R-SE designation emphasized the car's performance attributes, particularly its 3.0-liter V6 engine, which delivered substantial horsepower and torque. The V6 engine choice was a key feature that set it apart from lower trim levels in the Sigma lineup.

Options and Customization:
Buyers often had the option to further customize their Sigma 3.0 30R-SE with additional features or packages, tailoring the vehicle to their specific preferences. These options could include leather seats, sunroof options, and more.

Variants and Generational Changes:
During its production years, the Sigma 3.0 30R-SE may have seen subtle generational changes or updates to its design and features. These changes aimed to keep the model competitive and up-to-date with evolving automotive trends.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE was offered as a distinct trim level within the Sigma lineup, emphasizing performance and offering a range of features. Buyers had the flexibility to choose additional options and customizations, ensuring that their vehicle met their specific requirements and preferences.

Generational Changes

During its production years of 1990-1991, the Mitsubishi Sigma 3.0 30R-SE may have experienced subtle generational changes and updates to enhance its appeal, performance, and features.

Design Updates:
Generational changes often involved updates to the exterior and interior design. These could include revised styling elements such as grille designs, headlight configurations, and taillight treatments. Such changes aimed to keep the vehicle's appearance fresh and in line with contemporary automotive trends.

Technological Advancements:
Advancements in technology and electronics may have led to updates in the Sigma 3.0 30R-SE's features. These updates could include improvements in infotainment systems, safety technologies, and convenience features. The integration of new technology aimed to enhance the driving experience and safety of the vehicle.

Performance Enhancements:
Engine and drivetrain improvements could have been part of generational changes. Manufacturers often seek ways to optimize engine performance, fuel efficiency, and emissions control. These enhancements aimed to make the vehicle more competitive and efficient.

Safety Upgrades:
Safety features and systems may have been upgraded in newer generations to meet evolving safety standards and customer expectations. This could include the addition of airbags, improved braking systems, or enhanced structural safety measures.

Interior Comfort and Quality:
Generational changes might have included improvements in interior materials, comfort features, and overall build quality. These changes aimed to enhance the overall feel and appeal of the car's interior, making it a more comfortable and inviting space.

Customization Options:
Manufacturers often introduced new customization options or packages to cater to a wider range of buyer preferences. These options allowed customers to tailor the vehicle to their specific needs and tastes.

In summary, generational changes in the 1990-1991 Mitsubishi Sigma 3.0 30R-SE likely involved a combination of design updates, technological advancements, performance enhancements, safety upgrades, interior improvements, and customization options. These changes were aimed at keeping the vehicle competitive and appealing in the evolving automotive market.

Notable Features

The 1990-1991 Mitsubishi Sigma 3.0 30R-SE boasted a range of notable features that contributed to its appeal and positioned it as a competitive choice in the sedan market.

Powerful V6 Engine:
One of the standout features of the Sigma 3.0 30R-SE was its robust 3.0-liter V6 engine. This engine delivered 210 horsepower (bhp) or 156.5 kilowatts (kW) at 6000 revolutions per minute (rpm), providing ample power for acceleration and highway cruising. The engine's torque output of 269.6 Newton-meters (Nm) or 198.9 pound-feet (lb.ft) at 3000 rpm added to its performance credentials.

4-Speed Automatic Transmission (4AT):
The car was equipped with a 4-speed automatic transmission, known for its smooth gear changes and ease of use. This transmission choice contributed to a comfortable and hassle-free driving experience, particularly in stop-and-go traffic.

Well-Appointed Interior:
Inside, the Sigma 3.0 30R-SE offered a comfortable and well-appointed interior. Features such as power windows, cruise control, power-adjustable door mirrors, and a tachometer added to the convenience and functionality of the cabin.

Balanced Suspension Setup:
The sedan featured a suspension system consisting of a front McPherson strut and rear double wishbone setup. This combination provided balanced handling and ride comfort, making it an enjoyable car to drive in various conditions.

Generous Fuel Tank Capacity:
With a fuel tank capable of holding up to 18.4 US gallons (approximately 15.3 UK gallons or 70 liters) of gasoline, the Sigma 3.0 30R-SE offered extended driving ranges between refueling stops, enhancing its practicality for long journeys.

Optional Customization:
Buyers often had the option to further customize their Sigma with additional features or packages to tailor the vehicle to their specific preferences. Options such as leather seats and sunroof choices allowed for personalization.

Performance and Fuel Efficiency Balance:
The car's balance between performance and fuel efficiency made it a practical choice for a wide range of driving needs. Its V6 engine provided power when needed, while its reasonable fuel consumption rates added to its efficiency.

In summary, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE offered notable features that included a powerful V6 engine, automatic transmission, well-appointed interior, balanced suspension, generous fuel tank capacity, customization options, and a balance between performance and fuel efficiency. These features contributed to its appeal as a versatile and capable sedan.

Ownership and Maintenance

Ownership and maintenance of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE involved several key considerations to ensure a satisfying and trouble-free experience.

Regular Maintenance Schedule:
To keep the Sigma 3.0 30R-SE in optimal condition, owners should adhere to a regular maintenance schedule. This schedule typically includes routine tasks such as oil changes, air filter replacements, tire rotations, and brake inspections. Following the manufacturer's recommended maintenance intervals is essential.

Quality Parts and Service:
When maintenance or repairs are necessary, using quality replacement parts and seeking service from authorized Mitsubishi dealerships or certified mechanics is advisable. High-quality parts and skilled technicians can help maintain the vehicle's performance and longevity.

Engine Care:
The car's 3.0-liter V6 engine is a vital component, and proper care is essential. Regular oil changes with the recommended oil grade, monitoring coolant levels, and addressing any signs of engine trouble promptly can extend the engine's lifespan.

Tire Maintenance:
Proper tire maintenance, including maintaining the correct tire pressure and regular tire rotations, helps ensure even wear and optimal handling. Replacing tires when they reach their tread wear limit is essential for safety and performance.

Fuel Quality:
Using the recommended high-octane premium gasoline is crucial for the Sigma 3.0 30R-SE's engine performance. High-quality fuel can help maintain engine efficiency and prevent issues related to poor fuel quality.

Interior and Exterior Care:
Regular cleaning and maintenance of the car's interior and exterior components can help preserve its appearance and value. Keeping the interior clean and using protective products for the exterior finish can prevent premature wear and damage.

Safety and Inspection:
Periodic safety inspections, including brake checks, suspension assessments, and steering system evaluations, can help ensure that the car remains safe to drive. Addressing any safety-related issues promptly is essential.

Warranty Coverage:
Owners should be aware of any existing warranty coverage and ensure that they understand the terms and conditions. Taking advantage of warranty coverage for eligible repairs can help reduce ownership costs.

Driving Habits:
Owners can contribute to the vehicle's longevity by adopting responsible driving habits. Avoiding aggressive driving, adhering to speed limits, and following recommended maintenance guidelines all play a role in the car's overall durability.

In summary, ownership and maintenance of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE require a commitment to regular maintenance, the use of quality parts and service, attention to engine care, tire maintenance, fuel quality, interior and exterior care, safety inspections, awareness of warranty coverage, responsible driving habits, and addressing issues promptly. These considerations collectively contribute to a satisfying ownership experience and the preservation of the vehicle's performance and value.

Conclusion: The Legacy of the 1990-1991 Mitsubishi Sigma 3.0 30R-SE

The 1990-1991 Mitsubishi Sigma 3.0 30R-SE left a notable legacy in the world of midsize sedans. During its production years, it made a lasting impression with its blend of performance, features, and practicality.

Performance Prowess:
At the heart of the Sigma 3.0 30R-SE was its powerful 3.0-liter V6 engine, delivering robust horsepower and torque figures. This performance-oriented engine made it a compelling choice for those who valued acceleration and highway cruising capabilities.

Balanced Design:
The sedan's design was carefully balanced, offering a comfortable and well-appointed interior complemented by a suspension system that delivered a smooth and stable ride. The inclusion of notable features like power windows, cruise control, and power-adjustable door mirrors added to its appeal.

Fuel Efficiency:
Despite its performance capabilities, the Sigma 3.0 30R-SE struck a balance by offering reasonable fuel efficiency figures. This made it practical for various driving needs, from daily commuting to extended road trips.

Customization Options:
Buyers appreciated the ability to tailor their vehicles with optional features and packages. This flexibility allowed them to create a personalized driving experience that met their specific preferences.

Legacy of Quality:
Mitsubishi's commitment to quality and reliability was evident in the Sigma 3.0 30R-SE. When properly maintained, the vehicle had the potential to provide years of dependable service.

Enduring Appeal:
Even after its production years, the Sigma 3.0 30R-SE continued to be remembered and appreciated by automotive enthusiasts and collectors. Its combination of performance, features, and practicality contributed to its enduring appeal.

In conclusion, the 1990-1991 Mitsubishi Sigma 3.0 30R-SE left a legacy as a well-rounded midsize sedan that offered performance, comfort, and customization options. Its enduring appeal is a testament to its quality and the positive experiences it provided to drivers during its time on the road.

FAQ: Your Frequently Asked Questions about the 1990-1991 Mitsubishi Sigma 3.0 30R-SE

What are the key specifications of the 1990 Mitsubishi Sigma 3.0 30R-SE?

The 1990 Mitsubishi Sigma 3.0 30R-SE featured a 3.0-liter V6 engine, 4-speed automatic transmission, 4WD drivetrain, and had an exterior length of 474 cm.

How did the 1991 Mitsubishi Sigma 3.0 30R-SE differ from its predecessor?

In 1991, the Sigma 3.0 30R-SE retained its 3.0-liter V6 engine but may have seen updates in design, features, or safety enhancements, aligning it with contemporary standards.

Were there any variations in the Mitsubishi Sigma 3.0 30R-SE based on trim levels?

Yes, the 1990-1991 Sigma 3.0 30R-SE was available in different trim levels, offering various features and customization options to cater to different preferences.

What is the engine code for the Mitsubishi Sigma 3.0 30R-SE, and how did it impact performance?

The engine code for this model is 6G72. It featured a V6 configuration with water cooling and DOHC, delivering robust power and torque for impressive performance.

Can you tell me about the fuel efficiency of the Mitsubishi Sigma 3.0 30R-SE in city driving?

The city fuel efficiency of the Sigma 3.0 30R-SE varied depending on driving conditions but aimed to strike a balance between performance and reasonable fuel consumption rates.

What safety features were available in the 1990-1991 Mitsubishi Sigma 3.0 30R-SE?

The Sigma 3.0 30R-SE may have included safety features such as side impact bars, 3-point safety belts, and child car restraints to enhance occupant safety.

Did the Sigma 3.0 30R-SE offer options for a sunroof or leather seats?

Depending on the trim level and options selected, buyers could customize their Sigma 3.0 30R-SE with features like leather seats and sunroof options for added comfort and style.

How did Mitsubishi maintain quality and reliability in the Sigma 3.0 30R-SE?

Mitsubishi's commitment to quality, routine maintenance, and using authorized service centers contributed to the vehicle's long-lasting quality and reliability.

What were the notable design changes or updates between different generations of the Sigma 3.0 30R-SE?

Generational changes in the Sigma 3.0 30R-SE may have involved updates in exterior styling, interior features, technology advancements, and safety enhancements.

Can you provide tips for optimizing the fuel efficiency of the Mitsubishi Sigma 3.0 30R-SE?

To enhance fuel efficiency, drivers should adopt responsible driving habits, maintain proper tire pressure, and follow the manufacturer's recommended maintenance schedule for the vehicle.


Brian Wong - Senior Reviews Editor of cars-directory.net

Brian Wong / Author

Brian Wong is an accomplished automotive journalist and editor with a passion for cars. With over a decade of experience in the industry, he has established himself as a trusted voice in the automotive community. Brian has written extensively about a wide range of topics in the field, from the latest trends in car design to innovative safety features and emerging technologies. As a senior reviews editor, he is responsible for test driving and analyzing the latest cars on the market, providing readers with accurate and objective reviews. His articles are widely read and respected for their depth of knowledge and analysis. Brian is committed to staying at the forefront of the latest developments in the automotive industry, and is dedicated to sharing his expertise and insights with his readers.

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