1991 Mitsubishi Sigma 2.5 25V Specs

OVERVIEW

With a fuel consumption of 20.6 mpg US - 24.7 mpg UK - 11.4 L/100km, a weight of 3328 lbs (1510 kg), the Mitsubishi Sigma 2.5 25V has a water cooling V-type 6 cylinder DOHC engine, a High octane premium gasoline engine 6G73. This engine 6G73 produces a maximum power of 177.4 PS (175 bhp - 130.4 kW) at 6000 rpm and a maximum torque of 221.6 Nm (163.4 lb.ft - 22.6 kg.m) at 4500 rpm. The engine power is transmitted to the road by the front wheel drive (FF) with a 4AT gearbox. For stopping power, the Mitsubishi Sigma 2.5 25V braking system includes Ventilated disk at the rear and Ventilated disk at the front. Stock tire sizes are 205/65 on 15 inch rims 93H at the rear and 205/65 on 15 inch rims 93H at the front. Chassis details - Mitsubishi Sigma 2.5 25V has multi link rear suspension and McPherson strut front suspension for road holding and ride confort.

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By Brian Wong, Reviewed by: Kurt Niebuhr, Updated on April 23, 2024

Introduction

The 1991-1992 Mitsubishi Sigma 2.5 25V, a notable vehicle produced during its brief period of production from October 1991 to September 1992, stands as a distinctive option within the sedan category. This Mitsubishi offering boasted a robust front-wheel-drive system, ensuring optimal traction and drivetrain performance. A 4-speed automatic transmission facilitated seamless gear shifts, contributing to the car's overall driving experience.

At its heart, the Mitsubishi Sigma 2.5 25V housed a 2497 cm3 engine, showcasing a remarkable balance between displacement and power output. The chassis, identified by the frame name E-F15A, provided a stable foundation for this sedan, accentuating its performance-oriented design. Notably, the initial price in Tokyo stood at 2,614,000 Yen.

The car's exterior dimensions were tailored for both aesthetics and functionality. With an exterior length of 474 cm and an exterior width of 177.5 cm, the Sigma 2.5 25V found an equilibrium between spaciousness and maneuverability. Its interior dimensions were equally thoughtful, boasting ample legroom and headspace, with a wheelbase of 272 cm ensuring stability and comfort.

The Mitsubishi Sigma's engine, known by the code 6G73, delivered an impressive power output of 177.4 PS at 6000 rpm, underscoring its dynamic capabilities. The engine's design, featuring a V-type 6 cylinder DOHC configuration, provided a harmonious blend of performance and efficiency. Fuel consumption figures, an essential consideration, were recorded at 20.6 mpg in the 10/15 mode and 40.5 mpg in the 60 km/h mode, making the Sigma 2.5 25V a prudent choice for economical driving.

The suspension system was thoughtfully engineered, with a McPherson strut front suspension and a multi-link rear suspension, providing a balance between comfort and handling. Ventilated disk brakes on both the front and rear wheels ensured reliable stopping power. The 205/65 R15 93H tires, mounted on 15-inch rims, contributed to the car's grip on the road.

Inside, the Mitsubishi Sigma 2.5 25V came equipped with various amenities, such as power windows, power steering, and a tachometer. The interior design showcased attention to detail, with standard features like centralized door locks and adjustable steering. The option for leather seats added a touch of sophistication to the driving experience.

Safety features included side impact bars and a comprehensive safety belt system, providing a secure environment for occupants. While certain advanced safety technologies like airbags and TCS were absent, the Mitsubishi Sigma 2.5 25V upheld safety standards of its time.

In summary, the 1991-1992 Mitsubishi Sigma 2.5 25V made its mark as a well-rounded sedan, combining performance, efficiency, and practicality in a stylish package. Its specifications, dimensions, and features collectively contributed to its appeal as a choice for discerning drivers seeking a harmonious blend of driving pleasure and everyday usability.

Model Years

During the span from October 1991 to September 1992, Mitsubishi unveiled the Sigma 2.5 25V, a vehicle that encapsulated the brand's commitment to engineering excellence. These model years were marked by the emergence of a sedan that seamlessly blended style, performance, and practicality.

The 1991-1992 Mitsubishi Sigma 2.5 25V stood as a testament to the company's dedication to producing vehicles that could cater to diverse driving preferences. From urban commutes to open highways, this model addressed a range of needs, earning its place in the automotive landscape of its time.

With a focus on quality and innovation, Mitsubishi equipped the Sigma 2.5 25V with a host of features designed to enhance the driving experience. From its well-balanced engine to its carefully tuned suspension system, the vehicle aimed to strike a harmonious chord between power, efficiency, and comfort.

The model years of 1991-1992 were a snapshot of Mitsubishi's commitment to providing consumers with an array of options that went beyond mere transportation. The Sigma 2.5 25V's production during this period signified the brand's continued dedication to meeting evolving market demands and setting new benchmarks for automotive excellence.

Engine Specifications

At the heart of the 1991-1992 Mitsubishi Sigma 2.5 25V resided an impressive engine that underscored the model's performance capabilities. Engineered for both power and efficiency, the 6G73 engine code defined the driving experience of this sedan.

This V-type 6 cylinder DOHC engine showcased a displacement of 2497 cm3, harnessing the synergy of its design to deliver exceptional power output. With a maximum horsepower of 177.4 PS achieved at 6000 rpm, the Sigma 2.5 25V effortlessly demonstrated its prowess on the road.

The engine's torque characteristics further contributed to its dynamic performance, with a peak torque of 221.6 Nm achieved at 4500 rpm. This balanced power curve ensured responsive acceleration and efficient cruising, making it a versatile choice for various driving scenarios.

The Sigma's engine was designed to run on high octane premium gasoline, optimizing its efficiency and performance. Its commendable compression ratio of 10 reflected Mitsubishi's commitment to engineering excellence and fuel efficiency.

Translating power to motion, the Sigma 2.5 25V featured a 4-speed automatic transmission with gear ratios tailored to enhance acceleration and maintain efficient cruising. With a well-matched set of gear ratios, this sedan offered a seamless driving experience across different speeds.

The 1991-1992 Mitsubishi Sigma 2.5 25V's engine specifications exemplified the brand's dedication to innovation and performance. By combining advanced engineering with a focus on practicality, Mitsubishi created a vehicle that delivered a blend of power, efficiency, and driving pleasure.

Performance Metrics

The performance metrics of the 1991-1992 Mitsubishi Sigma 2.5 25V paint a vivid picture of a sedan that skillfully balanced power, handling, and practicality. This model stood as a testament to Mitsubishi's dedication to engineering vehicles that could deliver both a spirited drive and comfortable everyday usability.

Acceleration was a defining feature of the Sigma 2.5 25V, thanks to its 6G73 engine. With a maximum power output of 177.4 PS achieved at 6000 rpm, this sedan could swiftly respond to the driver's commands. Whether merging onto highways or navigating city streets, the Sigma demonstrated its dynamic capabilities.

The torque curve of the 6G73 engine played a pivotal role in the vehicle's performance. With a peak torque of 221.6 Nm achieved at 4500 rpm, the Sigma exhibited robust mid-range power, ensuring confident overtaking and efficient cruising. The harmonious power delivery contributed to a smooth and engaging driving experience.

The 4-speed automatic transmission, tailored to the Sigma's performance profile, facilitated seamless gear shifts and optimal power delivery. This transmission configuration allowed for both spirited acceleration and efficient highway cruising, making the car versatile for various driving conditions.

Furthermore, the suspension setup of McPherson struts at the front and multi-link at the rear offered a balance between comfort and precise handling. This suspension configuration allowed the Sigma to navigate corners with confidence while maintaining a comfortable ride quality on straight stretches.

Mitsubishi's attention to detail extended to the braking system as well. Ventilated disk brakes on both the front and rear wheels ensured reliable and consistent braking performance. The Sigma's braking capabilities contributed to its overall safety and control.

In essence, the performance metrics of the 1991-1992 Mitsubishi Sigma 2.5 25V showcased a sedan that encapsulated the brand's commitment to engineering excellence. The harmonious interplay between power, handling, and comfort defined the driving experience, making the Sigma 2.5 25V a compelling choice for enthusiasts and practical drivers alike.

Fuel Efficiency

The 1991-1992 Mitsubishi Sigma 2.5 25V exemplified the brand's commitment to delivering an efficient driving experience without compromising on performance. This sedan struck a balance between power and fuel economy, making it a prudent choice for those seeking a vehicle that could perform well while keeping fuel consumption in check.

The heart of the Sigma 2.5 25V was its 6G73 engine, engineered to deliver power while maintaining efficiency. The engine's design, coupled with its high octane premium gasoline fuel type, contributed to its optimal fuel combustion and overall efficiency.

In the 10/15 mode, the Sigma 2.5 25V achieved a fuel consumption rate of 20.6 mpg (US) or 24.7 mpg (UK), showcasing its ability to navigate urban environments with reasonable fuel consumption. This efficiency was further underscored by the vehicle's performance in the 60 km/h mode, where it achieved an impressive fuel consumption rate of 40.5 mpg (US) or 48.7 mpg (UK).

Mitsubishi's dedication to engineering vehicles that could deliver both power and efficiency was evident in the Sigma 2.5 25V's performance metrics. The sedan's ability to strike a balance between spirited driving and economical fuel usage spoke to the brand's understanding of the diverse needs of modern drivers.

In summary, the 1991-1992 Mitsubishi Sigma 2.5 25V's fuel efficiency was a testament to the brand's innovative engineering. By combining an efficient engine design, fuel type optimization, and thoughtful performance tuning, Mitsubishi created a sedan that could perform admirably while minimizing its impact on fuel consumption.

Fuel Consumption Rates

The fuel consumption rates of the 1991-1992 Mitsubishi Sigma 2.5 25V highlighted its efficiency and economical driving traits. This sedan was engineered with a focus on delivering a balance between performance and responsible fuel usage, catering to the needs of discerning drivers who sought both power and efficiency.

In the 10/15 mode, which simulated urban driving conditions, the Sigma 2.5 25V demonstrated a fuel consumption rate of 20.6 mpg (US) or 24.7 mpg (UK). This metric underscored the sedan's ability to navigate congested city streets while maintaining a reasonable fuel efficiency. The Sigma's performance in this mode showcased its adaptability to stop-and-go traffic and short-distance commuting.

When tested in the 60 km/h mode, the fuel consumption rate of the Sigma 2.5 25V impressively stood at 40.5 mpg (US) or 48.7 mpg (UK). This result highlighted the sedan's efficiency on open roads and highways, where consistent speeds contributed to optimal fuel usage. The Sigma's ability to achieve such high fuel efficiency at this speed spoke to its streamlined design and thoughtful engineering.

Mitsubishi's commitment to delivering vehicles that combined performance and efficiency was evident in the Sigma 2.5 25V's fuel consumption rates. The sedan's ability to strike a balance between spirited driving and economical fuel usage reflected the brand's understanding of the diverse needs of modern drivers, whether in urban environments or on long stretches of road.

Fuel Tank Capacity

The fuel tank capacity of the 1991-1992 Mitsubishi Sigma 2.5 25V played a pivotal role in defining its range and practicality. Designed to strike a balance between the need for refueling stops and maximizing the distance covered, the Sigma 2.5 25V's fuel tank capacity catered to both daily commutes and longer journeys.

With a fuel tank capacity of 19 US gallons or 15.8 UK gallons or 72 liters, the Sigma 2.5 25V offered a generous reservoir for fuel storage. This capacity allowed the sedan to cover substantial distances before needing to refuel, providing convenience to drivers who often found themselves on the road for extended periods.

The combination of the sedan's efficient fuel consumption rates and its ample fuel tank capacity further enhanced its suitability for varied driving scenarios. Whether navigating urban streets, highways, or even long road trips, the Sigma 2.5 25V's fuel tank capacity complemented its efficient design, reducing the frequency of refueling stops and contributing to an overall economical driving experience.

Dimensions and Sizes

The dimensions and sizes of the 1991-1992 Mitsubishi Sigma 2.5 25V were carefully crafted to ensure both a spacious interior and a manageable exterior footprint. This thoughtful design approach catered to drivers seeking a comfortable driving experience without compromising maneuverability.

Starting with the exterior, the Sigma 2.5 25V boasted an exterior length of 474 cm, an exterior width of 177.5 cm, and an exterior height of 143.5 cm. These measurements reflected a balanced profile, offering a harmonious blend of visual appeal and practicality. The sedan's exterior dimensions were carefully considered to facilitate urban navigation and parking while providing ample space for occupants within.

Inside the cabin, the Sigma 2.5 25V continued to prioritize comfort and space. The interior length measured 187 cm, while the interior width spanned 145 cm. With an interior height of 116.5 cm, the sedan provided sufficient headroom for passengers. These dimensions translated to a cabin that felt open and accommodating, making the Sigma 2.5 25V suitable for both short drives and longer journeys.

The sedan's wheelbase, measuring 272 cm, contributed to its stable handling and comfortable ride. The front and rear axle lengths of 153.5 cm and 153 cm, respectively, worked together to support the car's overall balance and responsiveness. Additionally, the ride height, or ground clearance, was set at 16.5 cm, providing a good compromise between handling and practicality.

The overall weight of the Sigma 2.5 25V was recorded at 1510 kg, ensuring a stable ride while maintaining efficiency. With seating for five passengers distributed across four doors, the sedan accommodated both passengers and practicality.

The 1991-1992 Mitsubishi Sigma 2.5 25V's dimensions and sizes showcased Mitsubishi's commitment to engineering a sedan that offered a spacious interior while remaining maneuverable on the road. By thoughtfully considering both the exterior and interior dimensions, Mitsubishi crafted a vehicle that could navigate various driving scenarios with ease.

Wheel Specifications

The wheel specifications of the 1991-1992 Mitsubishi Sigma 2.5 25V were designed to complement its overall performance and aesthetics. Mitsubishi's attention to detail extended to the wheels, ensuring a harmonious balance between style, handling, and comfort.

The front and rear wheels of the Sigma 2.5 25V were equipped with 205/65 R15 93H tires, mounted on 15-inch rims. This tire size and rim combination showcased the brand's commitment to striking a balance between road grip, ride comfort, and efficient fuel consumption.

The 205/65 R15 tire size indicated a width of 205 mm, a sidewall height that was 65% of the tire's width, and the tires were designed to fit 15-inch rims. The tire specifications reflected a balance between sporty handling and a comfortable ride, contributing to the sedan's overall versatility.

The Sigma 2.5 25V's wheel specifications also played a role in its handling and stability. The carefully chosen tire size, in combination with the suspension system, contributed to confident cornering and reliable grip on different road surfaces. The 93H load index further indicated the tire's load-carrying capacity and speed rating, ensuring the tires were suitable for the sedan's performance characteristics.

Mitsubishi's decision to equip the Sigma 2.5 25V with specific wheel specifications showcased the brand's commitment to engineering a sedan that could deliver a well-rounded driving experience. The choice of tire size, rim dimensions, and load index all contributed to the sedan's overall performance, handling, and safety on the road.

Conclusion

The 1991-1992 Mitsubishi Sigma 2.5 25V represents a harmonious convergence of performance, efficiency, and practicality. This sedan, produced over a limited span of time, encapsulates Mitsubishi's dedication to crafting vehicles that cater to diverse driving preferences.

With its 6G73 engine code and efficient design, the Sigma 2.5 25V delivers an impressive power output without compromising on fuel consumption. The sedan's fuel efficiency, demonstrated through its consumption rates in both urban and highway settings, makes it a responsible choice for drivers seeking to balance performance with economical driving.

Beyond its powertrain, the Sigma 2.5 25V's dimensions and sizes exhibit Mitsubishi's commitment to providing ample interior space while maintaining maneuverability on the road. The wheel specifications, carefully chosen to enhance both handling and comfort, contribute to a well-rounded driving experience.

From its inception, the 1991-1992 Mitsubishi Sigma 2.5 25V was engineered to cater to the needs of discerning drivers. Whether for city commutes or long journeys, this sedan's performance metrics, fuel efficiency, dimensions, and wheel specifications collectively create a vehicle that blends versatility, comfort, and driving enjoyment.

Frequently Asked Questions (FAQ) About the 1991-1992 Mitsubishi Sigma 2.5 25V