1990 Subaru Rex 660 AX-i Specs

OVERVIEW

With a fuel consumption of 44.3 mpg US - 53.2 mpg UK - 5.3 L/100km, a weight of 1388 lbs (630 kg), the Subaru Rex 660 AX-i has a water cooling 4 cylinder SOHC engine, a Regular gasoline engine EN07. This engine EN07 produces a maximum power of 48.6 PS (48 bhp - 35.7 kW) at 7200 rpm and a maximum torque of 52.9 Nm (39 lb.ft - 5.4 kg.m) at 5600 rpm. The engine power is transmitted to the road by the front wheel drive (FF) with a 5MT gearbox. For stopping power, the Subaru Rex 660 AX-i braking system includes Leading trailing drum brake at the rear and Disk at the front. Stock tire sizes are 155/70 on 12 inch rims at the rear and 155/70 on 12 inch rims at the front. Chassis details - Subaru Rex 660 AX-i has semi trailing arm type independent suspension rear suspension and strut independent front suspension for road holding and ride confort.

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By Brian Wong, Reviewed by: Kurt Niebuhr, Updated on April 25, 2024

Introduction

The 1990-1992 Subaru Rex 660 AX-i encapsulates a remarkable era of compact automotive ingenuity. As a spirited contender in the kei car segment, the Rex 660 AX-i showcases a fusion of practicality and performance. With its distinct hatchback silhouette, this model exudes a captivating charm that belies its size.

This vehicle emerged during a period when economic considerations and space efficiency were paramount. The Rex 660 AX-i stands as a testament to Subaru's commitment to crafting cars that adapt seamlessly to urban environments and tight cityscapes. Its compact frame, featuring a wheelbase of 229.5 cm, ensures nimble maneuverability, making it an adept companion for bustling streets and winding lanes.

The innovative design of the Rex 660 AX-i extends to its interior, where a thoughtfully arranged cabin maximizes available space. Boasting a seating capacity for four passengers across three doors, it proves that a small footprint need not equate to compromised comfort. Drivers and passengers alike can relish in an interior dimension that welcomes a cozy yet engaging driving experience.

A technologically-inclined era is reflected in the features of the Rex 660 AX-i. While power-adjustable seats and advanced infotainment systems may not grace this model, its emphasis on practicality remains commendable. Standard power windows and power-adjustable door mirrors provide functional convenience, elevating the overall driving experience.

As a quintessential front-wheel-drive hatchback, the Rex 660 AX-i makes a statement with its compact stature and spirited performance. It derives its power from a modest yet efficient engine, the EN07, which churns out 48.6 PS. This power output, combined with a 5-speed manual transmission, ensures a responsive and engaging drive.

The 1990-1992 Subaru Rex 660 AX-i embodies an era of compact cars that embraced efficiency without compromising character. Its design, dimensions, and features harmonize to create a vehicle that navigates the demands of urban life with aplomb. Whether navigating bustling city streets or embarking on weekend getaways, the Rex 660 AX-i showcases a compelling blend of style and substance.

Overview and Generations

The 1990-1992 Subaru Rex 660 AX-i emerges as a distinctive kei car that left an indelible mark on the automotive landscape. This brief yet captivating period in Subaru's lineup captures the essence of innovation and adaptability in a rapidly evolving era.

The first generation of the Rex 660 AX-i introduced a fresh perspective to the world of compact vehicles. With its hatchback design and compact dimensions, it swiftly gained popularity among urban dwellers seeking efficient and maneuverable transportation options. The distinctive three-door layout and compact size made it an urbanite's dream, effortlessly weaving through tight spaces and traffic.

Subaru's unwavering commitment to performance and engineering excellence is evident in the Rex 660 AX-i's powertrain offerings. The 658 cm3 engine, bearing the code name EN07, delivered a blend of power and efficiency tailored to the demands of city life. This engine, coupled with a 5-speed manual transmission, provided drivers with a dynamic driving experience.

In its subsequent generations, the Rex 660 AX-i maintained its core principles while undergoing subtle refinements. The model's evolution emphasized enhanced safety features, improved fuel efficiency, and a heightened focus on driver and passenger comfort. While staying true to its compact origins, the Rex 660 AX-i continually adapted to changing preferences and technological advancements.

The 1990-1992 Subaru Rex 660 AX-i serves as an emblem of automotive adaptability, embodying a timeless design and unwavering performance that resonate with enthusiasts and casual drivers alike. Throughout its brief but impactful production span, it encapsulated an era of urban mobility that celebrated efficiency, maneuverability, and the joy of driving.

Engine Variants

The heart of the 1990-1992 Subaru Rex 660 AX-i beats with the power of its distinctive engine variants. This remarkable kei car is propelled by engineering marvels that not only meet the demands of its time but also establish a legacy of efficiency and performance.

At its core, the Rex 660 AX-i houses the EN07 engine, a testament to Subaru's commitment to crafting powerplants that balance power and economy. This 4-cylinder engine employs a single overhead camshaft (SOHC) design and benefits from water cooling technology, ensuring optimal operating temperatures and efficiency.

The EN07 engine's displacement of 658 cm3 positions it perfectly within the kei car category, granting the Rex 660 AX-i favorable tax and insurance benefits while delivering a spirited driving experience. With a maximum power output of 48.6 PS and a torque of 52.9 Nm, this engine strikes a harmonious balance between city maneuverability and open road performance.

Paired with a 5-speed manual transmission, the engine variants of the Rex 660 AX-i provide drivers with the tactile engagement of shifting gears, enabling precise control over the power delivery. This pairing ensures that the car's capabilities are well-suited to navigating the varied terrains and traffic scenarios that urban environments present.

The 1990-1992 Subaru Rex 660 AX-i's engine variants encapsulate the brand's commitment to innovation and practicality. These powerplants define the character of the vehicle, delivering a fusion of efficiency, performance, and a memorable driving experience that echoes through the decades.

Dimensions and Sizes

The compact yet charismatic stature of the 1990-1992 Subaru Rex 660 AX-i is a testament to the brand's ability to masterfully package space and style. Within its hatchback silhouette, this kei car offers dimensions that harmoniously balance urban agility and interior comfort.

Measuring approximately 329.5 cm in length, the Rex 660 AX-i navigates city streets and tight parking spots with ease, making it an ideal companion for urban living. Its modest width of around 139.5 cm further enhances maneuverability while contributing to the car's distinctive presence on the road.

Despite its compact exterior, the Rex 660 AX-i is thoughtfully designed to provide a comfortable and inviting interior space. Passengers are greeted with an interior length of about 175 cm, affording ample legroom for a vehicle of its size. The interior width of approximately 120.5 cm accommodates passengers with a cozy yet engaging seating arrangement.

The compact frame of the Rex 660 AX-i is underpinned by a wheelbase of roughly 229.5 cm, enhancing stability and ride comfort. Its precise dimensions extend to the ground clearance, measuring approximately 17 cm, ensuring a harmonious balance between road-hugging performance and the ability to navigate uneven surfaces.

The dynamic design of the Rex 660 AX-i encompasses an exterior height of about 142 cm, contributing to its distinct and recognizable profile. Inside, an interior height of around 118.5 cm enhances the feeling of space while maintaining an intimate cabin atmosphere.

With a weight of approximately 630 kg, the Rex 660 AX-i is a lightweight contender in the automotive arena, further amplifying its agile and responsive nature. The vehicle's three-door configuration and a seating capacity for four passengers add to its versatile appeal.

In summary, the 1990-1992 Subaru Rex 660 AX-i demonstrates a harmonious fusion of compact dimensions and interior space. Its well-considered proportions enable it to weave seamlessly through urban landscapes, while its thoughtful interior design ensures a comfortable and engaging driving experience for both driver and passengers.

Fuel Tank Capacity

The 1990-1992 Subaru Rex 660 AX-i is a prime example of efficient design, and this extends to its fuel tank capacity, which underscores its practicality for both city commutes and longer journeys. This kei car is equipped with a fuel tank that strikes a balance between capacity and compactness, aligning with its overall purpose.

The fuel tank capacity of the Rex 660 AX-i measures approximately 8.4 US gallons (32 liters), offering a well-proportioned reservoir for its engine's modest thirst. This capacity ensures that the vehicle can cover considerable distances without the need for frequent refueling stops, making it an ideal choice for navigating both urban sprawls and open roads.

The size of the fuel tank aligns seamlessly with the car's focus on efficiency, allowing drivers to optimize their travel plans and minimize interruptions. Whether embarking on daily errands or planning a weekend getaway, the Rex 660 AX-i's fuel tank capacity contributes to its reputation as a practical and versatile companion.

The compact yet sufficient fuel tank capacity of the 1990-1992 Subaru Rex 660 AX-i exemplifies the brand's commitment to creating vehicles that excel in both performance and economy. This thoughtful approach to fuel storage further enhances the car's appeal as a reliable and efficient choice for a diverse range of driving scenarios.

Fuel Consumption and MPG

The 1990-1992 Subaru Rex 660 AX-i embodies a harmonious blend of performance and fuel efficiency, making it a noteworthy contender in the realm of economical transportation. This kei car stands as a testament to Subaru's commitment to engineering vehicles that deliver both spirited driving dynamics and commendable fuel consumption.

When it comes to fuel efficiency, the Rex 660 AX-i excels in providing an economical solution for both city driving and highway cruising. Its fuel consumption figures reflect a balance between power and conservation, aligning with the vehicle's urban-friendly nature.

In the 10/15 mode, the Rex 660 AX-i achieves a fuel consumption of approximately 44.3 mpg (5.3 L/100km), highlighting its capability to cover significant distances on a single tank of fuel. This efficiency contributes to reduced emissions and operational costs, factors that align with the Rex 660 AX-i's environmentally conscious and budget-friendly appeal.

Further demonstrating its efficiency prowess, the Rex 660 AX-i achieves an impressive fuel consumption of about 71.2 mpg (3.3 L/100km) in the 60 km/h mode. This statistic underscores the vehicle's suitability for urban commuting, where stop-and-go traffic scenarios demand optimal fuel utilization.

The 1990-1992 Subaru Rex 660 AX-i's fuel consumption figures underscore its commitment to efficient mobility. By striking a balance between power and conservation, this kei car offers drivers an opportunity to experience spirited driving while keeping fuel expenses in check. This focus on economical operation contributes to the Rex 660 AX-i's enduring reputation as a practical and forward-thinking vehicle choice.

Trim Levels and Features

The 1990-1992 Subaru Rex 660 AX-i presents a concise yet thoughtful range of trim levels and features that align with its status as a capable and practical kei car. While the options may not be extensive, each trim level offers a distinct package that caters to varying preferences and needs.

The trim levels available for the Rex 660 AX-i provide drivers with choices that suit their priorities. While not adorned with an overwhelming array of bells and whistles, the available features offer a blend of functionality and convenience that enhance the driving experience.

Standard power windows exemplify the Rex 660 AX-i's focus on modern comfort, enabling passengers to easily adjust window positions with a touch of a button. Additionally, power-adjustable door mirrors contribute to the vehicle's adaptability, allowing drivers to customize their mirror angles for optimal visibility.

Inside the cabin, the Rex 660 AX-i offers amenities that contribute to a comfortable and engaging drive. While leather seats and high-end infotainment systems may not be part of the package, the inclusion of a tilt steering wheel ensures that drivers can easily find an ergonomic driving position.

It's worth noting that the Rex 660 AX-i places a premium on practicality and efficiency. As such, while certain luxury features may be absent, this kei car shines in its ability to provide a reliable and functional mode of transportation for urban environments.

In summary, the 1990-1992 Subaru Rex 660 AX-i's trim levels and features echo the vehicle's overarching theme of efficiency and purposeful design. While not extravagant, these options cater to the car's intended role as an urban-friendly companion, delivering a driving experience that is both practical and enjoyable.

Performance and Handling

The 1990-1992 Subaru Rex 660 AX-i encapsulates an engaging and agile driving experience, striking a harmonious balance between performance and nimble handling. This kei car's compact dimensions and well-engineered components come together to create a driving sensation that is both spirited and responsive.

Equipped with the EN07 engine, the Rex 660 AX-i boasts a power output of 48.6 PS, delivering a dynamic punch that suits urban driving scenarios. While not designed for blistering speeds, this engine provides ample power to navigate city streets and highways with confidence.

The Rex 660 AX-i's performance is further enhanced by its lightweight construction, tipping the scales at around 630 kg. This favorable power-to-weight ratio contributes to brisk acceleration and a sense of immediacy when responding to driver inputs.

The vehicle's front-wheel-drive configuration, denoted as "FF," augments its handling characteristics, ensuring stable and predictable behavior in various driving conditions. The front suspension employs a strut independent design, while the rear suspension utilizes a semi trailing arm type independent suspension, collectively contributing to balanced handling dynamics.

Maneuverability is a cornerstone of the Rex 660 AX-i's design, and its performance is optimized for urban environments. The minimum turning circle of approximately 4.5 meters enhances its ability to negotiate tight corners and navigate congested streets with ease.

In summary, the 1990-1992 Subaru Rex 660 AX-i delivers a performance and handling package that aligns with its role as a nimble and responsive kei car. Its balance between power, weight, and handling components ensures an engaging driving experience that adapts seamlessly to the demands of city life, making it an appealing choice for urban adventurers.

Wheels and Tires

The 1990-1992 Subaru Rex 660 AX-i's wheels and tires play an integral role in enhancing both its visual appeal and on-road performance. With a design that complements its compact stature and agile handling, this kei car is equipped to navigate urban environments with style and confidence.

The Rex 660 AX-i's wheel and tire combination contributes to its balanced and nimble characteristics. The front and rear tires, sized at approximately 155/70 R12, provide an optimal balance between grip and efficiency. This tire size ensures stable handling and confident cornering, allowing drivers to tackle both city streets and open roads with assurance.

The vehicle's wheels are paired with a set of stylish rims, which further elevate its overall aesthetic. These rims not only enhance the Rex 660 AX-i's appearance but also contribute to its stability and traction, supporting its ability to deliver a rewarding driving experience.

In addition to its design considerations, the Rex 660 AX-i's wheels and tires contribute to its efficient fuel consumption. The balance between tire size, grip, and rolling resistance aligns with the kei car's focus on economy and practicality, underscoring its ability to cover distances with minimal fuel consumption.

The 1990-1992 Subaru Rex 660 AX-i's attention to detail extends to its wheels and tires, ensuring that every component contributes to the vehicle's overall performance and appeal. This integration of design and functionality reflects Subaru's commitment to engineering vehicles that excel in both form and function, resulting in a kei car that captivates both the eye and the road.

Interior Comfort and Space

The interior of the 1990-1992 Subaru Rex 660 AX-i embraces a clever fusion of comfort and functionality, ensuring that its compact dimensions do not compromise the driving experience. This kei car's cabin is a testament to Subaru's dedication to creating a welcoming and versatile space for both driver and passengers.

Despite its modest exterior, the Rex 660 AX-i surprises with its ability to offer an accommodating interior. With a seating capacity for four passengers distributed across three doors, it strikes a balance between space and intimacy. Passengers are greeted with an interior length of approximately 175 cm, providing ample legroom for occupants to enjoy extended journeys.

The cabin's interior width, measuring around 120.5 cm, ensures a cozy yet comfortable seating arrangement. This configuration promotes a sense of togetherness among passengers while allowing for easy engagement with the vehicle's controls and features.

The Rex 660 AX-i's interior height of about 118.5 cm contributes to an open and airy atmosphere, further enhancing the perception of space within the cabin. This well-conceived design facilitates comfortable headroom for both the driver and passengers, ensuring that every journey is free from discomfort.

Although compact, the Rex 660 AX-i ingeniously maximizes available space to accommodate daily essentials. From storage compartments for personal items to thoughtful design elements that optimize every nook and cranny, the interior underscores the brand's commitment to functionality without sacrificing comfort.

In summary, the 1990-1992 Subaru Rex 660 AX-i's interior exemplifies the brand's dedication to creating a harmonious and inviting cabin space. Through clever design and a focus on passenger comfort, this kei car transcends its dimensions to provide an enjoyable driving experience that is well-suited to both urban escapades and longer travels.

Safety Features

The 1990-1992 Subaru Rex 660 AX-i may be compact in size, but its commitment to safety is unwavering. While the era's safety technology may differ from today's advanced systems, this kei car incorporates features that provide a secure and confident driving experience.

In terms of passive safety, the Rex 660 AX-i is equipped with a durable frame that contributes to its robust construction. This focus on structural integrity enhances the vehicle's ability to withstand impact and protect occupants in the event of a collision.

While features like airbags and advanced electronic safety aids may not be part of its repertoire, the Rex 660 AX-i does incorporate safety elements such as safety belts and child car restraints. These components offer essential protection for both driver and passengers, underscoring the brand's dedication to prioritizing occupant well-being.

The vehicle's safety belt pretensioner contributes to restraining occupants during sudden stops or collisions, further enhancing the effectiveness of the safety belt system. Additionally, the inclusion of a three-point safety belt emphasizes Subaru's commitment to adhering to safety standards of the time.

While the 1990-1992 Subaru Rex 660 AX-i may lack some of the modern safety features we've come to expect, its focus on fundamental safety principles remains commendable. By prioritizing structural integrity and basic safety measures, this kei car provides drivers with a reassuring level of safety that aligns with its practical and utilitarian nature.

Notable Innovations

The 1990-1992 Subaru Rex 660 AX-i represents an era of automotive innovation that celebrated practicality and adaptability in the face of evolving driving demands. While not adorned with groundbreaking technological feats, this kei car introduced notable innovations that contributed to its appeal and relevance.

One of the notable innovations of the Rex 660 AX-i lies in its compact yet efficient powertrain. The EN07 engine, with its water-cooled 4-cylinder SOHC design, struck a harmonious balance between power output and fuel efficiency. This innovation allowed the vehicle to navigate urban landscapes with ease while minimizing the environmental impact.

The inclusion of power windows and power-adjustable door mirrors showcased the Rex 660 AX-i's emphasis on modern convenience. These features, while common today, represented a step forward in enhancing driver control and passenger comfort, aligning with the changing expectations of the era.

The Rex 660 AX-i's adoption of a 5-speed manual transmission added a layer of engagement to the driving experience. While not entirely groundbreaking, this innovation allowed drivers to have more control over the vehicle's performance, ensuring an enjoyable and involved journey.

In summary, the 1990-1992 Subaru Rex 660 AX-i's notable innovations may not have been revolutionary, but they underscored the vehicle's commitment to practicality, efficiency, and modern convenience. By incorporating features that enhanced both performance and comfort, this kei car remained relevant and appealing to drivers seeking a reliable and adaptable mode of transportation.

Legacy and Impact

The 1990-1992 Subaru Rex 660 AX-i left an enduring legacy and made a noteworthy impact within the automotive landscape, reflecting its era's ideals of efficiency, urban adaptability, and accessible mobility. While its production span may have been relatively brief, the Rex 660 AX-i's influence continues to resonate among enthusiasts and drivers alike.

As a representative of the kei car segment, the Rex 660 AX-i encapsulates the concept of "small but mighty." Its compact dimensions and lightweight construction made it a favored choice for navigating congested city streets and crowded urban environments. The vehicle's minimalistic yet functional design set a precedent for other kei cars, shaping a niche that prioritized practicality and ease of use.

The Rex 660 AX-i's influence extended beyond its immediate production years, contributing to Subaru's reputation as an innovator in compact car design. Its focus on fuel efficiency and urban mobility inspired subsequent generations of vehicles that embraced similar principles, culminating in a lineage of city-friendly automobiles that bear the brand's DNA.

While the Rex 660 AX-i may not have garnered the same global recognition as some of its larger counterparts, its impact on the kei car category is undeniable. It serves as a testament to Subaru's ability to cater to the evolving needs of urban drivers, offering a blend of performance, comfort, and practicality that remains relevant to this day.

In retrospect, the 1990-1992 Subaru Rex 660 AX-i's legacy is rooted in its role as a harbinger of efficient and adaptable transportation. Its impact reverberates through the kei car segment, where its influence continues to shape the design and philosophy of modern urban-oriented vehicles.

Conclusion

In conclusion, the 1990-1992 Subaru Rex 660 AX-i stands as a testament to Subaru's ingenuity and adaptability in the realm of compact car design. Its brief yet impactful production span showcased a vehicle that was finely attuned to the needs of urban drivers, offering a blend of efficiency, practicality, and versatility.

From its innovative EN07 engine to its thoughtfully designed interior, the Rex 660 AX-i demonstrated a commitment to creating a driving experience that was both engaging and accommodating. Its compact dimensions and lightweight construction made it a nimble companion on city streets, while its efficient fuel consumption and modern conveniences ensured a comfortable journey for both driver and passengers.

While it may not have been adorned with cutting-edge technology, the Rex 660 AX-i's legacy lies in its ability to encapsulate the essence of a kei car – a vehicle that excels in delivering efficient mobility for everyday life. Its impact on the automotive landscape continues to reverberate, influencing subsequent generations of compact vehicles and underscoring the enduring appeal of practical and adaptable transportation solutions.

As a chapter in Subaru's history, the 1990-1992 Rex 660 AX-i remains a noteworthy entry that showcases the brand's ability to create vehicles that leave a lasting impression. Its legacy is a reminder of the brand's commitment to innovation, efficiency, and a driving experience that transcends its size and era.

Frequently Asked Questions (FAQ) about the 1990-1992 Subaru Rex 660 AX-i