1990 Mitsubishi Sigma 2.5 25V Specs

OVERVIEW

With a fuel consumption of 18.8 mpg US - 22.5 mpg UK - 12.5 L/100km, a weight of 3571 lbs (1620 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 four wheel drive (4WD) with a 4AT gearbox. For stopping power, the Mitsubishi Sigma 2.5 25V braking system includes 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 double wishbone 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 19, 2024

Introduction to the 1990-1991 Mitsubishi Sigma 2.5 25V

The 1990-1991 Mitsubishi Sigma 2.5 25V holds its place as a remarkable sedan within the automotive landscape of its era. Crafted with precision and driven by innovation, this vehicle showcased Mitsubishi's commitment to combining performance, comfort, and cutting-edge technology.

With its production spanning from November 1990 to September 1991, the Mitsubishi Sigma 2.5 25V emerged as a distinguished option for those seeking a blend of elegance and functionality. Designed with a 4WD drivetrain, it exuded confidence on various terrains.

As a sedan, the Sigma 2.5 25V seamlessly merged classic styling with contemporary features. Its exterior dimensions, including a length of 474 cm and an exterior width of 177.5 cm, provided an optimal balance between sleek design and spaciousness. The interior, with its inviting width of 145 cm, accommodated five seats comfortably, promising an enjoyable journey for both driver and passengers.

Underneath its stylish exterior lay a robust engine – the 6G73, a V-type 6 cylinder DOHC engine. This powerhouse produced a maximum power of 177.4 PS and a peak torque of 221.6 Nm, resulting in an exhilarating driving experience. Its 4AT transmission gearbox with four speeds allowed for smooth shifts, contributing to an engaging ride.

The Sigma 2.5 25V excelled in efficiency as well. With a fuel tank capacity of 70 liters, this sedan was designed for extended journeys, minimizing the need for frequent refueling stops. Its fuel consumption, ranging from 6.4 to 12.5 L/100km depending on driving conditions, demonstrated a balance between performance and economy.

Safety and convenience were integral to the Sigma 2.5 25V's design. While safety features like side impact bars provided protection, amenities such as power windows, power steering, and centralized door locking enhanced the driving experience. The inclusion of standard fog lamps and optional back wipers ensured clear visibility in varying weather conditions.

Inside the cabin, the Sigma 2.5 25V boasted features like standard leather upholstery, adjustable steering, and a tachometer. Its focus on driver comfort and control created an environment that was both inviting and functional.

The 1990-1991 Mitsubishi Sigma 2.5 25V epitomized Mitsubishi's dedication to crafting vehicles that embodied sophistication and performance. With its distinctive design, advanced features, and balanced performance, it left an indelible mark on the automotive landscape of its time.

Engine Specifications and Performance

At the heart of the 1990-1991 Mitsubishi Sigma 2.5 25V lies a potent and meticulously engineered powerplant that forms the cornerstone of its impressive performance. The Sigma 2.5 25V is propelled by the dynamic 6G73 engine, a water-cooled V-type 6 cylinder DOHC powerhouse that harmonizes power, efficiency, and refinement.

With a displacement of 2497 cm3, the 6G73 engine produces a commanding output of 177.4 PS and a torque of 221.6 Nm. This translates to an energetic and responsive driving experience, allowing the Sigma 2.5 25V to seamlessly navigate various road conditions and terrains.

The engine's maximum power is achieved at 6000 rpm, underscoring its ability to deliver exhilarating acceleration and sustained performance. Notably, the 6G73 engine boasts a compression ratio of 10, which contributes to its efficiency and power delivery.

The Sigma 2.5 25V is equipped with a 4-speed automatic transmission gearbox, which facilitates smooth and seamless gear shifts. This transmission setup optimizes the engine's power delivery and ensures a comfortable and engaging driving experience.

In terms of fuel efficiency, the Sigma 2.5 25V strikes a balance between performance and economy. With a fuel consumption ranging from 6.4 to 12.5 L/100km, depending on driving conditions, this sedan offers respectable efficiency considering its size and power.

The drivetrain of the Sigma 2.5 25V is configured with a 4WD traction system, granting the vehicle enhanced stability and grip on diverse surfaces. This drivetrain setup contributes to confident handling and control, making it suitable for varying road and weather conditions.

Overall, the engine specifications and performance of the 1990-1991 Mitsubishi Sigma 2.5 25V exemplify Mitsubishi's dedication to engineering excellence. The harmonious blend of power, efficiency, and technology ensures that the Sigma 2.5 25V delivers a driving experience that remains impressive even by modern standards.

Dimensions and Sizes of the Sigma 2.5 25V

The 1990-1991 Mitsubishi Sigma 2.5 25V boasts dimensions and sizes that are carefully designed to strike a balance between aesthetics, interior space, and maneuverability. As a sedan, the Sigma 2.5 25V presents a harmonious blend of exterior proportions and interior comfort.

Measuring 474 cm in length and 177.5 cm in width, the exterior dimensions of the Sigma 2.5 25V are optimized to provide an elegant and timeless appearance. These dimensions contribute to the sedan's presence on the road, capturing attention while maintaining a sense of sophistication.

Inside, the Sigma 2.5 25V offers ample space for both driver and passengers. With an interior width of 145 cm and a ride height of 16 cm, the sedan delivers a comfortable cabin environment. The interior length of 187 cm ensures sufficient legroom for occupants, adding to the overall sense of comfort and relaxation during journeys.

The wheelbase of the Sigma 2.5 25V spans 272 cm, enhancing stability and contributing to balanced handling characteristics. The front axle length of 153.5 cm and rear axle length of 153 cm further contribute to the sedan's well-balanced proportions and driving dynamics.

Weighing in at 1620 kg, the Sigma 2.5 25V achieves a balance between structural robustness and fuel efficiency. This weight is distributed over a four-door layout, providing access to a spacious interior that can comfortably accommodate five passengers.

The sedan's exterior height of 144.5 cm lends itself to an aerodynamic design that aids in minimizing air resistance and improving overall fuel efficiency. Additionally, the Sigma 2.5 25V's compact turning circle of 5.6 meters enhances its maneuverability, making it suitable for navigating tight urban spaces.

Overall, the dimensions and sizes of the 1990-1991 Mitsubishi Sigma 2.5 25V highlight the car's commitment to delivering a well-proportioned exterior, spacious interior, and a driving experience that encompasses both comfort and convenience.

Fuel Efficiency and Consumption

The 1990-1991 Mitsubishi Sigma 2.5 25V stands as a testament to the brand's commitment to delivering not only performance but also fuel efficiency. This sedan's thoughtful engineering strikes a balance between power and economy, making it a practical choice for both urban commuting and long journeys.

With its 2497 cm3 V6 engine, the Sigma 2.5 25V demonstrates efficiency without compromising on performance. The vehicle's fuel consumption varies according to driving conditions, presenting different figures for both city and highway travel.

In urban settings, the Sigma 2.5 25V showcases its efficient side, offering a fuel consumption rate of 12.5 L/100km. This figure underscores the sedan's ability to navigate through traffic and congested streets while optimizing fuel usage.

On the open road, the Sigma 2.5 25V truly shines. With a fuel consumption rate of 6.4 L/100km, the sedan's highway efficiency becomes evident. This attribute not only reduces the frequency of refueling stops but also contributes to reduced emissions and a smaller carbon footprint.

The 1990-1991 Mitsubishi Sigma 2.5 25V achieves this impressive fuel efficiency while maintaining a balance of power and responsiveness. It exemplifies Mitsubishi's commitment to engineering vehicles that cater to various driving demands while being conscious of environmental considerations.

The Sigma 2.5 25V's fuel efficiency and consumption figures make it a practical and eco-conscious choice for those seeking both performance and responsible fuel usage. By demonstrating that power and efficiency can coexist, the sedan remains a relevant option in the context of contemporary automotive expectations.

Fuel Tank Capacity and Range

The fuel tank capacity of the 1990-1991 Mitsubishi Sigma 2.5 25V reflects its thoughtful design, ensuring that the sedan is well-equipped for both daily commutes and extended journeys. This capacity plays a significant role in defining the vehicle's range and convenience for drivers.

With a fuel tank capacity of 70 liters, the Sigma 2.5 25V strikes a balance between frequent refueling stops and the desire for longer, uninterrupted journeys. This capacity allows the sedan to cover impressive distances without the need for constant visits to the fuel station, making it a practical choice for road trips and highway driving.

The Sigma 2.5 25V's fuel tank capacity directly impacts its range, granting drivers the freedom to explore vast distances without the constant concern of running low on fuel. This extended range aligns with the sedan's overall focus on efficiency and performance, ensuring that the car's capabilities extend beyond just its powertrain.

The 1990-1991 Mitsubishi Sigma 2.5 25V's fuel tank capacity and the resulting range underscore the vehicle's versatility and suitability for various driving scenarios. Whether it's navigating through the city or embarking on a cross-country adventure, the Sigma 2.5 25V remains well-prepared to accompany drivers on their journeys, without the interruption of frequent refueling stops.

Trim Levels and Variants Available

The 1990-1991 Mitsubishi Sigma 2.5 25V offered a range of trim levels and variants that catered to diverse preferences and needs of potential buyers. Each trim level was carefully crafted to provide a unique combination of features, technologies, and design elements, allowing customers to choose the one that resonated with their requirements.

The trim levels available for the Sigma 2.5 25V encompassed a spectrum of options, ensuring that there was a version for drivers seeking specific features and levels of luxury. These trim levels were tailored to offer varying degrees of comfort, convenience, and sophistication.

From the standard features to the additional enhancements, each trim level of the Sigma 2.5 25V was a reflection of Mitsubishi's commitment to providing choices that aligned with drivers' preferences. While some trim levels focused on delivering essential features and practicality, others aimed to elevate the driving experience with premium amenities and cutting-edge technology.

Whether it was the base trim or the higher-end variants, the 1990-1991 Mitsubishi Sigma 2.5 25V ensured that drivers could find a configuration that met their expectations. This diversity of trim levels not only showcased Mitsubishi's dedication to customer satisfaction but also demonstrated the brand's ability to cater to a wide range of tastes and requirements within the same model lineup.

Generation and Model Overview

The 1990-1991 Mitsubishi Sigma 2.5 25V represents a significant chapter in the lineage of the Mitsubishi Sigma series. As a distinct generation within the series, this model period showcased Mitsubishi's commitment to innovation, performance, and style.

This particular generation of the Sigma series, encompassing the years 1990 to 1991, introduced the Sigma 2.5 25V as a standout variant. Known for its powerful engine and well-balanced design, this generation marked a continuation of Mitsubishi's tradition of crafting vehicles that catered to diverse driver needs.

During this period, Mitsubishi placed emphasis on refining the sedan's engineering and design elements. The 1990-1991 Sigma 2.5 25V inherited the brand's reputation for quality, reliability, and attention to detail. The inclusion of advanced technologies and a focus on optimal performance ensured that this generation remained competitive within its segment.

With its V6 engine and 4WD drivetrain, the 1990-1991 Sigma 2.5 25V exemplified the era's automotive advancements, offering drivers a capable and enjoyable driving experience. The sedan's dimensions and interior space were also carefully designed to align with contemporary comfort expectations.

As a model within this particular generation, the Sigma 2.5 25V holds a distinct place within the broader Sigma series. Its unique features, specifications, and design elements set it apart, while still retaining the essence of the Sigma brand.

The 1990-1991 Mitsubishi Sigma 2.5 25V's role within its generation reflects Mitsubishi's commitment to continuous improvement, technological advancement, and meeting the evolving demands of the automotive market. This generation's legacy endures through its contribution to the Sigma series' reputation for quality and innovation.

Wheel Specifications and Options

The wheel specifications and options of the 1990-1991 Mitsubishi Sigma 2.5 25V were thoughtfully designed to complement the sedan's performance, aesthetics, and overall driving experience. Wheels play a pivotal role in a vehicle's dynamics, and Mitsubishi ensured that the Sigma 2.5 25V's wheel offerings aligned with its capabilities.

The sedan's wheel specifications featured a set of 205/65 R15 93H tires, providing a balance between comfort, grip, and efficiency. These tires were chosen to deliver optimal handling characteristics, offering a smooth and controlled ride on various road surfaces.

The 1990-1991 Sigma 2.5 25V's wheel options encompassed both functionality and style. With a focus on enhancing the sedan's visual appeal and performance, Mitsubishi provided choices that allowed drivers to tailor their vehicles to their preferences.

The wheel design options varied, offering a selection of styles that ranged from classic to contemporary. These options ensured that the Sigma 2.5 25V could reflect the owner's personality and taste, contributing to the vehicle's overall individuality.

Ultimately, the wheel specifications and options of the 1990-1991 Mitsubishi Sigma 2.5 25V provided drivers with a range of choices that went beyond mere functionality. These choices were a testament to Mitsubishi's dedication to delivering a well-rounded driving experience that balanced performance, aesthetics, and personalization.

Notable Features and Technology

The 1990-1991 Mitsubishi Sigma 2.5 25V introduced a range of notable features and technologies that elevated the driving experience and set the sedan apart within its segment. These innovations showcased Mitsubishi's dedication to integrating advanced capabilities that enhanced both performance and convenience.

One of the standout features of the Sigma 2.5 25V was its advanced transmission system. Equipped with a 4-speed automatic transmission, the sedan delivered smooth and seamless gear shifts. This technology not only contributed to a refined driving experience but also optimized the engine's power delivery for optimal performance and efficiency.

The inclusion of power windows and power steering added a touch of convenience to the Sigma 2.5 25V's interior. These features enhanced the driver's control over various aspects of the vehicle, while also making everyday driving more effortless.

Front fog lamps, a standard feature in the Sigma 2.5 25V, provided improved visibility during challenging weather conditions. This safety-focused technology allowed drivers to navigate through foggy environments with enhanced confidence, ensuring a safer journey.

While the Sigma 2.5 25V embraced modern technologies, it also prioritized driver comfort. With standard leather upholstery, adjustable steering, and a tachometer, the sedan offered an inviting and driver-centric cabin environment.

Mitsubishi's attention to detail extended to the exterior as well. The inclusion of a front spoiler as a standard feature not only contributed to the sedan's aesthetics but also played a role in enhancing its aerodynamics.

The 1990-1991 Mitsubishi Sigma 2.5 25V's notable features and technology illustrated the brand's ability to integrate innovation seamlessly into its vehicles. By focusing on advancements that improved performance, safety, and comfort, Mitsubishi ensured that the Sigma 2.5 25V remained a compelling choice for drivers seeking both modernity and reliability.

Comparing MPG Ratings

Comparing the MPG ratings of the 1990-1991 Mitsubishi Sigma 2.5 25V provides valuable insights into its efficiency and fuel economy across different driving conditions. The sedan's ability to balance power and consumption made it a practical choice for a variety of journeys.

In urban settings, where stop-and-go traffic is common, the Sigma 2.5 25V demonstrated a fuel consumption rate of 12.5 L/100km. This figure highlighted the vehicle's efficiency in navigating city streets and its commitment to minimizing fuel usage during congested commutes.

On the open road, the Sigma 2.5 25V showcased even greater fuel efficiency. With a consumption rate of 6.4 L/100km, the sedan excelled in highway driving, promising extended range and fewer refueling stops during long journeys. This aspect not only saved drivers money on fuel costs but also contributed to a reduced environmental impact.

Comparing the MPG ratings of the 1990-1991 Mitsubishi Sigma 2.5 25V emphasized its versatility as a vehicle that could cater to both urban and highway driving needs. The sedan's ability to deliver respectable efficiency across diverse scenarios underscored Mitsubishi's commitment to providing an economical yet performance-oriented driving experience.

Engine Details and Variants

The heart of the 1990-1991 Mitsubishi Sigma 2.5 25V lies in its meticulously engineered engine, which powers the sedan with precision and performance. This generation of the Sigma series introduced the 6G73 engine, a water-cooled V-type 6 cylinder DOHC powerhouse that embodied Mitsubishi's dedication to innovation and excellence.

With a displacement of 2497 cm3, the 6G73 engine was designed to strike a balance between power and efficiency. Its maximum power output of 177.4 PS and torque of 221.6 Nm delivered a spirited driving experience, ensuring that the Sigma 2.5 25V could confidently navigate diverse road conditions.

The engine's capabilities were optimized for various scenarios. With a 4-speed automatic transmission, the Sigma 2.5 25V seamlessly shifted through gears, providing smooth acceleration and controlled power delivery. The sedan's performance was further enhanced by a compression ratio of 10, contributing to efficient combustion and a satisfying driving response.

The 6G73 engine was characterized by its high-revving nature, with maximum power achieved at 6000 rpm and peak torque delivered at 4500 rpm. This characteristic underscored the engine's ability to deliver an exhilarating performance while maintaining a balance between power and fuel efficiency.

Mitsubishi's focus on innovation extended to the Sigma 2.5 25V's fuel efficiency as well. The engine was designed to run on high octane premium gasoline, ensuring that its capabilities were harnessed optimally to achieve both power and economical fuel consumption.

The 1990-1991 Mitsubishi Sigma 2.5 25V's engine details and variants highlighted the brand's commitment to crafting vehicles that pushed boundaries in terms of performance and engineering excellence. The inclusion of the 6G73 engine within this generation of the Sigma series solidified Mitsubishi's position as a manufacturer that embraced technological advancement while delivering an unforgettable driving experience.

Interior and Cargo Space

The interior and cargo space of the 1990-1991 Mitsubishi Sigma 2.5 25V were meticulously designed to provide comfort, functionality, and versatility for both driver and passengers. This sedan's focus on creating an inviting cabin environment made it a practical choice for a wide range of journeys.

The interior of the Sigma 2.5 25V offered generous dimensions, ensuring that occupants had ample space to relax during drives. With an interior width of 145 cm and an interior height of 116.5 cm, the sedan's cabin provided a comfortable atmosphere that catered to both driver and passengers.

The seating arrangement, accommodating up to five occupants, was designed for optimal comfort and support. The inclusion of standard leather upholstery added a touch of luxury, enhancing the interior's overall ambiance. Adjustable steering and seats, along with features like power windows and power steering, provided a personalized and convenient driving experience.

The cargo space within the Sigma 2.5 25V further showcased its versatility. The sedan's design took into account the need for practical storage, ensuring that the trunk offered ample room for luggage, groceries, and other belongings. This attention to cargo space made the Sigma 2.5 25V suitable for both daily errands and longer journeys.

Additionally, the interior's attention to detail extended to technology and convenience features. With power windows, power steering, and a tachometer as standard features, the Sigma 2.5 25V offered an inviting and driver-centric cockpit. The inclusion of these features aimed to enhance the overall driving experience and make every journey enjoyable.

In essence, the 1990-1991 Mitsubishi Sigma 2.5 25V's interior and cargo space were designed to strike a balance between comfort and functionality. Whether it was the spacious cabin, supportive seats, or thoughtful storage solutions, this sedan's interior catered to the needs of modern drivers and passengers alike.

Historical Significance and Legacy

The 1990-1991 Mitsubishi Sigma 2.5 25V holds a distinct historical significance within the brand's automotive legacy. As part of the Sigma series, this sedan represented a chapter of innovation, engineering excellence, and a commitment to meeting the evolving demands of drivers.

During its production years, the Sigma 2.5 25V showcased Mitsubishi's dedication to integrating advanced technologies into its vehicles. The introduction of the 6G73 engine, with its V6 configuration and DOHC setup, demonstrated the brand's continuous pursuit of performance and efficiency. This engine's influence extended beyond its era, setting a precedent for future powerplants within the Mitsubishi lineup.

The Sigma 2.5 25V's design, both inside and out, reflected the design language and trends of its time. The sedan's dimensions, interior features, and exterior styling choices showcased the brand's understanding of customer preferences and its ability to adapt to changing automotive aesthetics.

Furthermore, the Sigma 2.5 25V contributed to Mitsubishi's reputation for engineering vehicles that struck a balance between power, efficiency, and comfort. Its 4WD drivetrain, transmission options, and fuel efficiency emphasized the brand's ability to deliver a well-rounded driving experience tailored to diverse needs.

The legacy of the 1990-1991 Mitsubishi Sigma 2.5 25V continues to be felt through its influence on subsequent models and the brand's ongoing commitment to innovation. The technologies, design elements, and engineering principles established during this era have reverberated through Mitsubishi's lineup, shaping the brand's identity and approach to automotive manufacturing.

In retrospect, the Sigma 2.5 25V's historical significance lies in its role as a bridge between traditional automotive values and the modern advancements that have come to define Mitsubishi's vehicles. Its legacy remains woven into the fabric of the brand's heritage, serving as a testament to Mitsubishi's enduring commitment to excellence and forward-thinking design.

Ownership Cost: Fuel Average and Expenses

When considering ownership costs, the 1990-1991 Mitsubishi Sigma 2.5 25V presents a favorable proposition due to its efficient fuel consumption and thoughtful engineering. The sedan's fuel average and associated expenses make it a practical choice for drivers seeking a balance between performance and economy.

The Sigma 2.5 25V's fuel consumption figures play a significant role in its ownership cost. With a fuel consumption rate of 18.8 mpg in the 10/15 mode and 36.7 mpg in the 60 km/h mode, the sedan demonstrates its ability to stretch every gallon of fuel. These figures translate into reduced visits to the gas station, allowing owners to enjoy longer journeys without the worry of frequent refueling stops.

The efficiency of the Sigma 2.5 25V's engine also contributes to its ownership cost. The use of high octane premium gasoline ensures that the engine operates optimally, maximizing both power output and fuel efficiency. This approach aligns with Mitsubishi's commitment to delivering vehicles that are both performance-oriented and economical to run.

When it comes to expenses beyond fuel, the Sigma 2.5 25V's engineering excellence and reliability play a role in reducing maintenance and repair costs. Mitsubishi's reputation for crafting durable vehicles suggests that owners can expect fewer unexpected repairs, contributing to a lower overall ownership cost over time.

In conclusion, the 1990-1991 Mitsubishi Sigma 2.5 25V offers ownership costs that are favorable to drivers seeking a vehicle that balances fuel efficiency, performance, and reliability. Its efficient fuel average, combined with the thoughtful engineering that reduces maintenance expenses, positions the sedan as a practical and economical choice for a wide range of drivers.

Conclusion: The Legacy of the Sigma 2.5 25V

The legacy of the 1990-1991 Mitsubishi Sigma 2.5 25V is a testament to Mitsubishi's dedication to engineering excellence and innovation. This sedan's impact reaches beyond its production years, leaving an indelible mark on the brand's automotive history.

The Sigma 2.5 25V's legacy is defined by its advanced technologies, such as the 6G73 engine, which set a standard for performance and efficiency. This engine's design and capabilities laid the foundation for future Mitsubishi powerplants, influencing the brand's commitment to delivering both power and fuel economy.

The sedan's meticulous design, encompassing dimensions, interior space, and exterior styling, reflected Mitsubishi's understanding of customer needs and desires. This attention to detail ensured that the Sigma 2.5 25V resonated with a diverse range of drivers, making it a relevant choice within its segment.

As part of the broader Sigma series, the 1990-1991 Sigma 2.5 25V contributed to Mitsubishi's reputation for engineering vehicles that combined reliability, innovation, and style. Its technological advancements and thoughtful features enriched the driving experience, leaving a lasting impression on owners and enthusiasts alike.

Beyond its immediate impact, the Sigma 2.5 25V's legacy persists through its influence on subsequent models and Mitsubishi's ongoing pursuit of automotive excellence. The sedan's legacy extends beyond its production years, serving as a reminder of Mitsubishi's ability to push boundaries and shape the automotive landscape.

In essence, the 1990-1991 Mitsubishi Sigma 2.5 25V's legacy encapsulates the brand's commitment to crafting vehicles that transcend their era, leaving a lasting impression on the automotive world. Its technological advancements, design prowess, and engineering excellence have secured its place as a significant chapter within Mitsubishi's storied history.

FAQ: Everything You Need to Know About the 1990-1991 Mitsubishi Sigma 2.5 25V