1991 Isuzu Bighorn 3.1DT BASIC Specs

OVERVIEW

With a fuel consumption of 38.5 mpg US - 46.3 mpg UK - 6.1 L/100km, a weight of 4343 lbs (1970 kg), the Isuzu Bighorn 3.1DT BASIC has a water cooling 4 cylinder engine, a Light oil engine 4JG2. This engine 4JG2 produces a maximum power of 126.7 PS (125 bhp - 93.2 kW) at 3600 rpm and a maximum torque of 274.5 Nm (202.5 lb.ft - 28 kg.m) at 2000 rpm. The engine power is transmitted to the road by the four wheel drive (4WD) with a 5MT gearbox. For stopping power, the Isuzu Bighorn 3.1DT BASIC braking system includes Ventilated disk at the rear and Ventilated disk at the front. Stock tire sizes are 245/70 on 16 inch rims at the rear and 245/70 on 16 inch rims at the front. Chassis details - Isuzu Bighorn 3.1DT BASIC has 4 link type coil spring rear suspension and double wishbone torsion bar spring front suspension for road holding and ride confort.

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By Brian Wong, Reviewed by: Kurt Niebuhr, Updated on April 18, 2024

Overview of the 1991-1992 Isuzu Bighorn 3.1DT BASIC

The 1991-1992 Isuzu Bighorn 3.1DT BASIC is a robust and capable SUV that exudes reliability and performance. It was produced from December 1991 to February 1992 and offered impressive off-road capabilities with its 4WD drivetrain. As a mid-size SUV, it provided ample space and seating for up to seven occupants, making it suitable for family adventures.

Under the hood, the Isuzu Bighorn 3.1DT BASIC was powered by a 3.1-liter diesel engine with the engine code 4JG2. This water-cooled 4-cylinder engine featured a turbocharger, delivering a maximum power output of 126.7 PS (125 bhp) at 3600 rpm and a torque of 274.5 Nm (202.5 lb.ft) at 2000 rpm. The engine's impressive fuel efficiency, with a fuel consumption rate of 38.5 mpg (US) or 46.3 mpg (UK) in the 60 km/h mode, made it an economical choice for long journeys.

In terms of size, the Isuzu Bighorn 3.1DT BASIC measured 466 cm in length, 174.5 cm in width, and 184 cm in height, providing a spacious and comfortable interior for passengers. The wheelbase of 276 cm contributed to stable handling and smooth rides on various terrains. The SUV boasted a ground clearance of 21.5 cm, ensuring ample room to navigate over rough roads.

The 5-speed manual transmission gearbox provided precise gear changes, while the 4-link type coil spring rear suspension and double wishbone torsion bar spring front suspension contributed to a balanced and capable ride. Ventilated disk brakes on both front and rear wheels offered responsive stopping power.

The Isuzu Bighorn 3.1DT BASIC featured standard cornering lamps, back wipers, and 245/70 R16 tires on aluminum disks, making it well-equipped for different driving conditions. Inside the SUV, amenities included standard power steering, tilt steering, and centralized door lock, providing convenience for drivers and passengers alike.

While the Isuzu Bighorn 3.1DT BASIC lacked some advanced safety features like airbags and Traction Control System (TCS), it came with standard 3-point safety belts and child car restraints, ensuring a basic level of safety for occupants.

Overall, the 1991-1992 Isuzu Bighorn 3.1DT BASIC stood as a reliable and practical SUV, appealing to those seeking a capable off-roader with decent fuel efficiency and ample space for a family-oriented adventure.

Engine Specifications and Performance

The heart of the 1991-1992 Isuzu Bighorn 3.1DT BASIC lies in its formidable engine, combining power and efficiency to deliver a reliable driving experience. Under the hood, this SUV is equipped with the 4JG2 engine, a water-cooled 4-cylinder powerplant featuring a turbocharger for enhanced performance.

With a displacement of 3059 cm3 (186.6 cu-in), the 4JG2 engine produces an impressive maximum power output of 126.7 PS (125 bhp) at 3600 rpm. Its torque reaches up to 274.5 Nm (202.5 lb.ft) at 2000 rpm, offering substantial low-end pulling power for off-road excursions and city driving alike.

The engine's 5-speed manual transmission gearbox allows smooth and precise gear changes, enabling drivers to make the most of its powerband in various driving situations. Moreover, the Isuzu Bighorn 3.1DT BASIC boasts a fuel consumption rate of 38.5 mpg (US) or 46.3 mpg (UK) in the 60 km/h mode, providing decent fuel efficiency for extended journeys.

Thanks to a compression ratio of 20 and a bore and stroke of 9.5 cm (3.74 inches) and 10.7 cm (4.21 inches) respectively, the engine achieves a balanced blend of power and fuel economy. The 4JG2 engine's design includes a charger, contributing to its respectable performance figures and responsiveness.

While not overly sporty, the Isuzu Bighorn 3.1DT BASIC's engine excels in delivering a dependable and steady driving experience. Whether navigating tough terrain or cruising on the highway, the 4JG2 engine's design and performance make it a solid choice for those seeking a practical and capable SUV.

Fuel Tank Capacity and Range

The 1991-1992 Isuzu Bighorn 3.1DT BASIC comes equipped with a fuel tank capacity of 22.4 US gallons (85 liters) or 18.6 UK gallons. With this fuel tank capacity, the SUV offers a respectable driving range, allowing for extended journeys without frequent refueling stops.

The combination of the 3.1DT BASIC's diesel engine and its fuel tank capacity contributes to its decent fuel efficiency. With a fuel consumption rate of 38.5 mpg (US) or 46.3 mpg (UK) in the 60 km/h mode, drivers can expect a satisfactory balance between fuel economy and performance.

When fully fueled, the Isuzu Bighorn 3.1DT BASIC can cover significant distances before needing to refuel, making it suitable for long road trips and off-road adventures. The SUV's 4WD drivetrain and rugged build further enhance its capability to venture into various terrains, allowing drivers to explore without worrying about running out of fuel in remote areas.

For those seeking a reliable and spacious SUV with a reasonable fuel tank capacity and an economical fuel consumption rate, the 1991-1992 Isuzu Bighorn 3.1DT BASIC stands as a practical choice for both urban commuting and outdoor escapades.

Fuel Consumption and Average MPG

The 1991-1992 Isuzu Bighorn 3.1DT BASIC boasts impressive fuel efficiency, making it an economical choice for drivers seeking to minimize fuel consumption without compromising performance. Equipped with a 3.1-liter diesel engine, the SUV achieves a fuel consumption rate of 38.5 mpg (US) or 46.3 mpg (UK) in the 60 km/h mode.

The combination of a well-designed diesel engine and a manual 5-speed transmission gearbox contributes to the Isuzu Bighorn 3.1DT BASIC's commendable fuel economy. This SUV offers drivers the advantage of prolonged driving range, allowing for longer journeys with fewer refueling stops.

Whether navigating city streets or cruising on the highway, the Isuzu Bighorn 3.1DT BASIC's fuel efficiency delivers a cost-effective driving experience. For those seeking a practical and capable SUV with economical fuel consumption and a balance between power and efficiency, the 1991-1992 Isuzu Bighorn 3.1DT BASIC stands as a reliable choice.

Dimensions and Sizes

The 1991-1992 Isuzu Bighorn 3.1DT BASIC offers generous dimensions and sizes, providing ample space for passengers and cargo alike. As a mid-size SUV, it strikes a balance between practicality and maneuverability.

Measuring 466 cm (183.46 inches) in exterior length, 174.5 cm (68.7 inches) in exterior width, and 184 cm (72.44 inches) in exterior height, the Isuzu Bighorn 3.1DT BASIC presents a commanding presence on the road. Its wheelbase spans 276 cm (108.66 inches), contributing to stable handling and a comfortable ride for occupants.

Inside the cabin, the SUV continues to impress with its spacious interior. The interior length measures 255 cm (100.39 inches), the interior width reaches 149.5 cm (58.85 inches), and the interior height provides 124.5 cm (49.01 inches) of headroom. With seating for up to seven occupants and a number of seat configurations, the Isuzu Bighorn 3.1DT BASIC accommodates various passenger needs and cargo arrangements.

In terms of weight, the SUV tips the scales at 1970 kg (4343 lbs), further highlighting its robust build and capacity for handling diverse road conditions. The Isuzu Bighorn 3.1DT BASIC's 4WD drivetrain enhances its off-road capabilities, making it a capable companion for outdoor adventures and rugged terrains.

With a minimum turning circle of 5.8 meters, the Isuzu Bighorn 3.1DT BASIC demonstrates agility and maneuverability in tight spaces. Moreover, a ride height of 21.5 cm (8.46 inches) ensures ample ground clearance, allowing the SUV to navigate obstacles with ease.

For drivers seeking a spacious and versatile SUV that strikes a balance between size and practicality, the 1991-1992 Isuzu Bighorn 3.1DT BASIC stands as a reliable choice. Its dimensions and sizes make it well-suited for both urban driving and exploring the great outdoors.

Wheel Specifications

The 1991-1992 Isuzu Bighorn 3.1DT BASIC features well-designed wheel specifications that contribute to its capable performance on various terrains. This SUV comes equipped with 16-inch wheels, with tire dimensions of 245/70 R16. The choice of 245-width tires provides a balance between stability and grip, ensuring confident handling in different driving conditions.

Both the front and rear wheels feature ventilated disk brakes, offering responsive and reliable stopping power when needed. This setup enhances the overall safety and control of the Isuzu Bighorn 3.1DT BASIC, providing peace of mind for drivers and passengers.

The inclusion of aluminum disks in the wheel specifications adds to the SUV's durability and corrosion resistance, ensuring the wheels remain in excellent condition over time.

With its 4WD drivetrain, the Isuzu Bighorn 3.1DT BASIC is well-equipped to tackle challenging terrains, and the choice of robust wheels further complements its off-road capabilities. Whether on paved roads or rough trails, the wheel specifications of the Isuzu Bighorn 3.1DT BASIC enhance its performance, making it a reliable and versatile choice for adventurous drivers.

Trim Levels and Model Variants

The 1991-1992 Isuzu Bighorn 3.1DT BASIC was offered in various trim levels and model variants, catering to diverse customer preferences and needs. As a popular SUV, Isuzu provided different configurations to suit drivers seeking specific features and options.

The "BASIC" trim level served as a solid foundation for the Isuzu Bighorn 3.1DT, offering essential features and functionalities without unnecessary frills. While lacking some premium amenities found in higher trim levels, the BASIC model prioritized practicality, reliability, and affordability, making it an appealing choice for those seeking a budget-friendly option.

Despite its "BASIC" classification, the 1991-1992 Isuzu Bighorn 3.1DT BASIC still delivered on its promise of providing a capable and dependable SUV. With its 4WD drivetrain, spacious interior, and off-road prowess, it remained a popular choice for drivers looking to explore the great outdoors.

Additionally, the Isuzu Bighorn 3.1DT BASIC featured a variety of safety and comfort features that ensured a comfortable and secure driving experience. These included standard power steering, tilt steering, centralized door lock, and 3-point safety belts.

While other trim levels might have offered more luxurious amenities and additional technology, the Isuzu Bighorn 3.1DT BASIC remained a practical option for individuals or families seeking a versatile and reliable SUV without compromising on essential features.

In summary, the 1991-1992 Isuzu Bighorn 3.1DT BASIC provided a well-rounded and budget-conscious choice for drivers who valued performance and reliability over extravagant luxuries. Its range of safety features and functional design made it a respected contender in the SUV market during that time.

Generations and Evolution

The 1991-1992 Isuzu Bighorn 3.1DT BASIC represents a significant era in the evolution of the Isuzu Bighorn/Trooper series. During this period, Isuzu continued to refine and enhance the SUV's design, performance, and features, catering to the evolving needs and preferences of its customers.

The Isuzu Bighorn, also known as the Trooper in some markets, has a storied history dating back to its first generation in the early 1980s. Over the years, Isuzu made continuous improvements and updates to the model, with each generation introducing new advancements and innovations.

For the 1991-1992 model years, the Isuzu Bighorn 3.1DT BASIC represented a mid-cycle update within the second generation of the Bighorn/Trooper series. This generation was characterized by its robust build, off-road capabilities, and spacious interior. The 3.1DT BASIC trim level catered to drivers seeking a practical and budget-friendly option, offering essential features without unnecessary extravagance.

During this generation, Isuzu focused on enhancing the SUV's engine performance, fuel efficiency, and safety features. The 3.1-liter diesel engine, with its turbocharger and 5-speed manual transmission, delivered a reliable and economical driving experience.

In terms of design, the Isuzu Bighorn 3.1DT BASIC maintained its signature boxy and rugged appearance, which contributed to its appeal among outdoor enthusiasts and adventure seekers.

While the 1991-1992 Isuzu Bighorn 3.1DT BASIC represented a specific snapshot of the Bighorn/Trooper's evolution, Isuzu continued to build upon its success, releasing subsequent generations with even more refinements and modern features.

Overall, the 1991-1992 Isuzu Bighorn 3.1DT BASIC stood as a testament to Isuzu's commitment to delivering a reliable and capable SUV, solidifying its place in the market and laying the foundation for future generations of the beloved Bighorn/Trooper series.

Notable Features and Options

The 1991-1992 Isuzu Bighorn 3.1DT BASIC offered a range of notable features and options that contributed to its popularity among drivers seeking a practical and capable SUV.

One of the key features of the Isuzu Bighorn 3.1DT BASIC was its 4WD drivetrain, providing enhanced traction and off-road capabilities. This feature allowed the SUV to conquer various terrains and challenging road conditions, making it a reliable choice for adventurous journeys.

Inside the cabin, the Isuzu Bighorn 3.1DT BASIC accommodated up to seven passengers with multiple seat configurations. The spacious interior provided ample headroom and legroom for both front and rear occupants, ensuring a comfortable ride for all.

The SUV's power steering and tilt steering added to the convenience of driving, offering ease of maneuverability and control. Additionally, the centralized door lock provided a practical way to secure the vehicle.

While the Isuzu Bighorn 3.1DT BASIC may not have included some advanced luxury features found in higher-end models, its focus on practicality and reliability made it a favorite among drivers who valued performance over extravagant amenities.

Safety was a priority in the Isuzu Bighorn 3.1DT BASIC, with standard 3-point safety belts and child car restraints ensuring the well-being of occupants. Although it lacked certain modern safety features, it provided a basic level of protection for both driver and passengers.

The Isuzu Bighorn 3.1DT BASIC's exterior design retained its rugged and distinctive appearance, embodying the SUV's robust nature and capability to handle various challenges.

Overall, the 1991-1992 Isuzu Bighorn 3.1DT BASIC offered a well-rounded package of features, prioritizing practicality and reliability for drivers seeking a dependable SUV with versatile capabilities. Its balance of performance and comfort made it a respected choice among SUV enthusiasts during its time.

Reliability and Maintenance

The 1991-1992 Isuzu Bighorn 3.1DT BASIC earned a reputation for its reliability and low maintenance requirements, making it a favored choice among SUV owners seeking a dependable and long-lasting vehicle.

One of the factors contributing to the Isuzu Bighorn 3.1DT BASIC's reliability was its robust build quality. Isuzu designed the SUV with durability in mind, utilizing sturdy materials and components that could withstand various road conditions and environmental challenges.

The 3.1-liter diesel engine, with its straightforward design and proven performance, added to the vehicle's overall reliability. The engine's durability and fuel efficiency made it a cost-effective choice for drivers who wanted an SUV with long-lasting value.

Regular maintenance and servicing were essential for keeping the Isuzu Bighorn 3.1DT BASIC in top condition. Adhering to the recommended maintenance schedule, including oil changes, filter replacements, and inspections, helped ensure the vehicle's optimal performance and longevity.

Isuzu also offered reliable service centers and a widespread network of authorized dealers, making it convenient for owners to access maintenance and repair services whenever necessary.

The Isuzu Bighorn 3.1DT BASIC's reputation for reliability and durability made it a popular choice not only among individual drivers but also among businesses and organizations that needed a rugged and dependable SUV for their operations.

Owners of the Isuzu Bighorn 3.1DT BASIC appreciated the peace of mind that came with knowing they had a reliable and capable vehicle at their disposal, whether for daily commutes, family outings, or adventurous off-road journeys.

In conclusion, the 1991-1992 Isuzu Bighorn 3.1DT BASIC stood out for its outstanding reliability, low maintenance requirements, and long-lasting performance. Its sturdy construction and dependable diesel engine made it a trusted companion for drivers seeking a durable and versatile SUV.

Driving Experience and Handling

The 1991-1992 Isuzu Bighorn 3.1DT BASIC offered a commendable driving experience, combining power, stability, and off-road capabilities. With its 4WD drivetrain, the SUV provided enhanced traction, ensuring confidence in tackling various terrains and weather conditions.

The 3.1-liter diesel engine, equipped with a turbocharger, delivered a reliable and responsive performance. The engine's torque output at lower RPMs provided ample low-end pulling power, making it well-suited for both city driving and off-road adventures.

The Isuzu Bighorn 3.1DT BASIC's 5-speed manual transmission gearbox allowed drivers to have full control over gear changes, enhancing the SUV's engaging driving experience. The transmission's gear ratios were designed to optimize power delivery and fuel efficiency, striking a balance between performance and economy.

The SUV's ride quality was characterized by stability and comfort, thanks to its 4-link type coil spring rear suspension and double wishbone torsion bar spring front suspension. These suspension setups absorbed road imperfections, providing a smooth and controlled ride for occupants.

The Isuzu Bighorn 3.1DT BASIC exhibited responsive handling, allowing drivers to navigate corners and curves with ease. Its power steering system contributed to precise and effortless steering, further enhancing the SUV's maneuverability.

While the Isuzu Bighorn 3.1DT BASIC excelled in off-road environments, it also performed admirably in urban settings. Its relatively compact size and minimum turning circle allowed for easy navigation through tight spaces and crowded streets.

For those seeking a versatile SUV with reliable handling, off-road capabilities, and a comfortable driving experience, the 1991-1992 Isuzu Bighorn 3.1DT BASIC stood as a practical choice. Whether for daily commutes or outdoor explorations, this SUV provided a satisfying and well-rounded driving experience for drivers and passengers alike.

Interior Comfort and Cargo Space

The 1991-1992 Isuzu Bighorn 3.1DT BASIC offered a comfortable and spacious interior, making it an ideal choice for families and individuals seeking ample room for both passengers and cargo.

Inside the cabin, the SUV accommodated up to seven occupants, providing plenty of seating options for passengers. The front and rear seats offered generous headroom and legroom, ensuring a comfortable ride for everyone on board.

The Isuzu Bighorn 3.1DT BASIC's interior design focused on practicality and functionality. The layout of controls and instruments was intuitive and user-friendly, making it easy for drivers to operate various features and functions.

In terms of cargo space, the Isuzu Bighorn 3.1DT BASIC provided a versatile setup. With the ability to fold and remove seats, the SUV allowed for various configurations to accommodate both passengers and luggage. Whether embarking on a family trip or carrying large items, the Isuzu Bighorn 3.1DT BASIC offered the flexibility to adapt to different needs.

The SUV's ride quality and suspension system contributed to a smooth and comfortable journey, minimizing discomfort even during long drives. The inclusion of standard power steering further enhanced the overall driving experience, making maneuvering the vehicle effortless.

While the Isuzu Bighorn 3.1DT BASIC may not have boasted premium luxury features, its focus on interior comfort and practicality made it a reliable and functional choice for everyday commuting and family outings.

In conclusion, the 1991-1992 Isuzu Bighorn 3.1DT BASIC provided a spacious and comfortable interior, catering to the needs of both passengers and cargo. Its versatility and user-friendly design made it a dependable and practical SUV for various driving scenarios.

Exterior Design and Styling

The 1991-1992 Isuzu Bighorn 3.1DT BASIC boasted a distinctive and rugged exterior design, showcasing its capability and durability. As a mid-size SUV, it exuded a commanding presence on the road, making it a favored choice among outdoor enthusiasts and adventure seekers.

The SUV's boxy and muscular silhouette emphasized its off-road capabilities, giving it a robust and no-nonsense appearance. The squared-off edges and angular lines were not only a design statement but also served functional purposes, contributing to its aerodynamics and overall stability.

At the front, the Isuzu Bighorn 3.1DT BASIC featured a bold and signature grille, proudly displaying the Isuzu logo. The grille design allowed for optimal engine cooling while adding to the SUV's visual appeal. The large and angular headlights provided excellent visibility, enhancing safety during night drives.

Moving along the sides, the Isuzu Bighorn 3.1DT BASIC exhibited a clean and straightforward profile. Its spacious wheel arches accommodated the 16-inch wheels, emphasizing its capability to navigate challenging terrains.

The SUV's rear design continued the theme of functionality and practicality. The rear tailgate opened wide, providing easy access to the cargo area. With the option to fold or remove seats, the Isuzu Bighorn 3.1DT BASIC offered versatility for carrying larger items or accommodating additional luggage.

Exterior features, such as the roof rail and back wiper, added to the SUV's utility and convenience, making it well-suited for both urban commuting and outdoor adventures.

While the Isuzu Bighorn 3.1DT BASIC may not have focused on flashy aesthetics, its purposeful and rugged exterior design aligned perfectly with its reputation as a reliable and capable SUV.

In conclusion, the 1991-1992 Isuzu Bighorn 3.1DT BASIC's exterior design showcased a harmonious blend of functionality and aesthetics. Its robust appearance, practical features, and rugged build made it a popular choice for drivers seeking a dependable and capable SUV.

Safety Features and Ratings

The 1991-1992 Isuzu Bighorn 3.1DT BASIC prioritized safety features to provide a secure driving experience for both driver and passengers. While it may not have had some of the modern safety technologies found in more recent vehicles, it offered a basic level of protection to ensure the well-being of occupants.

One of the key safety features in the Isuzu Bighorn 3.1DT BASIC was the presence of 3-point safety belts for all seating positions. These safety belts offered a reliable restraint system to help minimize the risk of injury in the event of a collision or sudden braking.

In terms of child safety, the SUV was equipped with child car restraints, ensuring that young passengers were appropriately secured during travel. This feature provided added peace of mind for families with children.

While the Isuzu Bighorn 3.1DT BASIC did not include advanced safety features such as airbags or traction control systems, its sturdy construction and 4WD drivetrain contributed to the overall safety and stability of the vehicle.

It's important to note that safety ratings and crash test data were not as widely available during the 1991-1992 period compared to the present day. However, Isuzu's reputation for building reliable and durable vehicles provided some level of assurance to potential buyers.

Ultimately, the Isuzu Bighorn 3.1DT BASIC's focus on basic safety features and a robust build made it a trusted choice for drivers seeking a dependable SUV with a reasonable level of safety for daily commuting and occasional off-road adventures.

Conclusion: The 1991-1992 Isuzu Bighorn 3.1DT BASIC in Retrospect

In retrospect, the 1991-1992 Isuzu Bighorn 3.1DT BASIC remains a notable entry in the SUV market, leaving a lasting impression on drivers and enthusiasts alike. As part of the second generation of the Isuzu Bighorn/Trooper series, this model embodied Isuzu's commitment to delivering a reliable and capable vehicle with practical features and functionalities.

The Isuzu Bighorn 3.1DT BASIC's 4WD drivetrain and robust diesel engine provided impressive off-road capabilities and fuel efficiency, making it suitable for both adventurous explorations and everyday commuting. Its 5-speed manual transmission allowed for precise gear changes, ensuring an engaging and enjoyable driving experience.

While the SUV's interior might have lacked some luxurious amenities, it compensated with ample seating space and a user-friendly layout. The option to fold or remove seats added to its versatility, accommodating both passengers and cargo as needed.

In terms of safety, the Isuzu Bighorn 3.1DT BASIC featured standard 3-point safety belts and child car restraints, prioritizing occupant protection during travel.

The SUV's exterior design reflected its rugged and purposeful nature, emphasizing its capabilities and durability. Its boxy and angular silhouette stood as a timeless testament to its off-road heritage.

Throughout its production, the Isuzu Bighorn 3.1DT BASIC garnered a reputation for reliability, low maintenance requirements, and long-lasting performance. Owners appreciated its dependability and practicality, making it a popular choice for various driving needs.

While newer SUVs may boast more advanced features and technologies, the 1991-1992 Isuzu Bighorn 3.1DT BASIC remains a nostalgic favorite among enthusiasts who recall its robustness and dependable performance.

In conclusion, the 1991-1992 Isuzu Bighorn 3.1DT BASIC left a positive legacy in the SUV market, offering a well-rounded package of reliability, capability, and versatility. Its enduring appeal is a testament to Isuzu's dedication to producing vehicles that stood the test of time.

FAQ: Frequently Asked Questions about the 1991-1992 Isuzu Bighorn 3.1DT BASIC