The 1991 Isuzu Trooper, a rugged and capable SUV, entered its second generation in 1992, but the 1991 model represents the final year of the iconic first generation. Available as a 2-door or 4-door, this body-on-frame vehicle was known for its off-road prowess and utilitarian design. Key trims included the Base and the LS. New pricing ranged from approximately $18,000 to $24,000. Its popularity stemmed from its blend of practicality, go-anywhere ability, and a no-nonsense approach to adventuring, making it a favored choice for those seeking a durable and less mainstream SUV.
The Good
The 1991 Isuzu Trooper offers robust off-road performance and legendary reliability, appealing to practical buyers. Its sturdy design and spacious interior provide comfort for daily use and adventures, while its unique, utilitarian charm resonates emotionally with enthusiasts seeking character and durability.
The Bad
When considering a 1991 Isuzu Trooper, watch out for potential rust, especially on the frame and body panels. Older models can experience transmission issues, rear main seal leaks, and electrical gremlins. Regular maintenance records are crucial.
1991 Isuzu Trooper: Quick Overview
- Engine Options: The 1991 Isuzu Trooper primarily came with two engine options:
- 2.6-liter inline-4 cylinder engine
- 3.1-liter V6 engine (late availability, more common in subsequent years)
- Horsepower:
- 2.6L I4: Approximately 118-120 horsepower
- 3.1L V6: Approximately 120-130 horsepower (figures vary slightly by source and specific tuning)
- Fuel Economy:
- Expect fuel economy in the range of 15-18 MPG combined, depending on engine, transmission, and driving conditions.
- The 2.6L I4 generally offered slightly better mileage than the V6.
- 0-60 Times:
- These are not performance vehicles; 0-60 MPH times are generally slow, estimated to be in the 13-16 second range for most configurations.
- Towing Capacity:
- Towing capacity typically ranged from approximately 2,000 lbs to 4,500 lbs, depending on the specific configuration and factory options.
- Trim-Level Features:
- Base Trim: Usually featured manual windows, manual locks, AM/FM radio, and basic cloth upholstery. It was the workhorse model, prioritizing function over luxury.
- LS Trim: Offered upgrades such as power windows, power locks, air conditioning, upgraded cloth or optional vinyl interior, a cassette player, and sometimes alloy wheels. It provided a more comfortable and convenient experience for daily driving.
- Common Features Across Trims (Optional or Standard): 4-wheel drive (part-time with manual or automatic hubs), rear differential lock (on some off-road oriented models), roof rack, running boards, and a more robust suspension system for enhanced off-road capability.
- Base Trim: Usually featured manual windows, manual locks, AM/FM radio, and basic cloth upholstery. It was the workhorse model, prioritizing function over luxury.
1991 Isuzu Trooper Specifications
Vehicle Information
| Year | 1991 |
| Make | Isuzu |
| Model | Trooper |
| Trim | - |
| Style | - |
| Type | Wagon |
| Category | Minivan Medium Truck |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | SANFU |
Dimensions
| Doors | 4-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 4ZE1 |
| Engine Size | 2.8L |
| Engine Cylinders | 6 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | Four-Wheel Drive |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 1991 Isuzu Trooper Have?
The 1991 Isuzu Trooper, being part of the first generation, has a set of known issues that owners frequently report. While generally considered a durable vehicle, age and mileage bring specific concerns. One of the most common issues is rust. This can affect the frame, body panels (especially around the wheel wells and rocker panels), and undercarriage. Thorough inspection for rust is paramount when considering a purchase.
Engine problems can arise, with the 2.6-liter 4-cylinder engine sometimes experiencing head gasket leaks or valve seal wear, leading to oil consumption. The optional 3.1-liter V6, while offering more power, can also have its own set of issues, including cooling system problems and potential for sludge buildup if not meticulously maintained.
Transmission issues are also reported, particularly with automatic transmissions, which can develop hard shifting or fail to engage properly over time. Manual transmissions are generally more robust but can still suffer from clutch wear.
Electrical gremlins are not uncommon in vehicles of this age. This can manifest as issues with power windows, door locks, the stereo system, or warning lights. Faulty alternators and starter motors are also wear-and-tear items that may need replacement.
Rear main seal leaks are another frequently mentioned problem, which can be a costly repair due to the labor involved in accessing the seal.
Regarding recalls, for the 1991 model year, there were some recalls issued. For instance, there was a recall related to the fuel filler neck which could corrode and leak fuel. Another recall addressed potential issues with the brake pedal pivot. It is always advisable to check with NHTSA or Isuzu for any outstanding recalls applicable to a specific VIN.
Long-term reliability is heavily dependent on maintenance. Troopers that have been regularly serviced, with fluid changes and timely repairs, tend to fare much better. However, even well-maintained examples can suffer from the typical aging components of a vehicle from this era. The robust chassis and drivetrain components are generally strong, but seals, gaskets, rubber hoses, and electronic components will eventually degrade.
Engine problems can arise, with the 2.6-liter 4-cylinder engine sometimes experiencing head gasket leaks or valve seal wear, leading to oil consumption. The optional 3.1-liter V6, while offering more power, can also have its own set of issues, including cooling system problems and potential for sludge buildup if not meticulously maintained.
Transmission issues are also reported, particularly with automatic transmissions, which can develop hard shifting or fail to engage properly over time. Manual transmissions are generally more robust but can still suffer from clutch wear.
Electrical gremlins are not uncommon in vehicles of this age. This can manifest as issues with power windows, door locks, the stereo system, or warning lights. Faulty alternators and starter motors are also wear-and-tear items that may need replacement.
Rear main seal leaks are another frequently mentioned problem, which can be a costly repair due to the labor involved in accessing the seal.
Regarding recalls, for the 1991 model year, there were some recalls issued. For instance, there was a recall related to the fuel filler neck which could corrode and leak fuel. Another recall addressed potential issues with the brake pedal pivot. It is always advisable to check with NHTSA or Isuzu for any outstanding recalls applicable to a specific VIN.
Long-term reliability is heavily dependent on maintenance. Troopers that have been regularly serviced, with fluid changes and timely repairs, tend to fare much better. However, even well-maintained examples can suffer from the typical aging components of a vehicle from this era. The robust chassis and drivetrain components are generally strong, but seals, gaskets, rubber hoses, and electronic components will eventually degrade.
How long will the 1991 Isuzu Trooper last?
The 1991 Isuzu Trooper is renowned for its potential for long-term durability, with many owners reporting their vehicles exceeding 200,000 miles and even reaching 300,000 miles or more. This longevity is directly tied to consistent and diligent maintenance habits. Vehicles that have received regular oil changes, fluid flushes, and timely attention to minor issues can offer decades of service. The core mechanical components, such as the engine and transmission (especially manual ones), are generally robust. However, over time, weaknesses like rust on the frame and body become significant factors, potentially limiting the vehicle's lifespan in harsher climates. Electrical components and rubber seals are also prone to degradation with age and exposure, necessitating occasional repairs. A well-maintained Trooper can be a reliable companion for a very long time.
What Technology & Safety Features are Included?
The 1991 Isuzu Trooper represents a simpler era of automotive technology, with its features focused more on utility and basic comfort rather than advanced electronics.
Built-in Tech & Entertainment: Standard equipment typically included an AM/FM radio, often with a cassette player. Higher trims like the LS might have offered a slightly upgraded sound system with more speakers. Air conditioning was a common optional feature, crucial for comfort in warmer climates. Power windows and door locks were also available on upper trims, adding a touch of convenience. Features like cruise control might have been present on some models, enhancing highway driving comfort. There were no advanced infotainment systems, navigation, or Bluetooth connectivity.
Driver-Assistance Features: Driver-assistance features were virtually non-existent in the 1991 Trooper. Systems like ABS (Anti-lock Braking System) were not standard and may have been optional on some later first-generation models, but were less common for the 1991 model year. Traction control or stability control were not available. The focus was on mechanical engagement and driver control, particularly for off-road scenarios.
Safety Features: Standard safety equipment included seat belts for all occupants and typically a driver-side airbag. Side-impact door beams were incorporated to enhance structural integrity. The robust, body-on-frame construction itself contributed to a sense of safety, especially in collisions with smaller vehicles. However, modern safety standards were not a priority.
Crash-Test Ratings: Specific crash-test ratings for the 1991 Isuzu Trooper are difficult to find in readily accessible modern databases. The Insurance Institute for Highway Safety (IIHS) and the National Highway Traffic Safety Administration (NHTSA) did conduct tests on vehicles of this era, but comprehensive, easily comparable data for this specific model year and generation is scarce. Generally, SUVs from this period, especially body-on-frame designs, performed moderately in frontal and side impacts compared to today's standards, with potential for higher injury risk in severe collisions. The Trooper's sturdy construction likely offered decent protection for its time, but it would not meet current safety benchmarks.
Built-in Tech & Entertainment: Standard equipment typically included an AM/FM radio, often with a cassette player. Higher trims like the LS might have offered a slightly upgraded sound system with more speakers. Air conditioning was a common optional feature, crucial for comfort in warmer climates. Power windows and door locks were also available on upper trims, adding a touch of convenience. Features like cruise control might have been present on some models, enhancing highway driving comfort. There were no advanced infotainment systems, navigation, or Bluetooth connectivity.
Driver-Assistance Features: Driver-assistance features were virtually non-existent in the 1991 Trooper. Systems like ABS (Anti-lock Braking System) were not standard and may have been optional on some later first-generation models, but were less common for the 1991 model year. Traction control or stability control were not available. The focus was on mechanical engagement and driver control, particularly for off-road scenarios.
Safety Features: Standard safety equipment included seat belts for all occupants and typically a driver-side airbag. Side-impact door beams were incorporated to enhance structural integrity. The robust, body-on-frame construction itself contributed to a sense of safety, especially in collisions with smaller vehicles. However, modern safety standards were not a priority.
Crash-Test Ratings: Specific crash-test ratings for the 1991 Isuzu Trooper are difficult to find in readily accessible modern databases. The Insurance Institute for Highway Safety (IIHS) and the National Highway Traffic Safety Administration (NHTSA) did conduct tests on vehicles of this era, but comprehensive, easily comparable data for this specific model year and generation is scarce. Generally, SUVs from this period, especially body-on-frame designs, performed moderately in frontal and side impacts compared to today's standards, with potential for higher injury risk in severe collisions. The Trooper's sturdy construction likely offered decent protection for its time, but it would not meet current safety benchmarks.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
1991 Isuzu Trooper Prices and Market Value
When new, the 1991 Isuzu Trooper had a price range of approximately $18,000 to $24,000, depending on the trim level and optional equipment. As with most vehicles of this age, the Trooper has experienced significant depreciation from its original MSRP. Current used market prices for a 1991 Isuzu Trooper can vary widely, typically ranging from $2,000 to $6,000 for models in average condition with moderate mileage. However, pristine, low-mileage examples, or those heavily modified for off-roading, can command higher prices, sometimes exceeding $8,000. Factors significantly affecting resale value include the vehicle's condition (especially rust), maintenance history, mileage, originality, and the presence of desirable factory options or aftermarket modifications. Well-maintained and rust-free examples are much more sought after and retain value better.
1991 Isuzu Trooper Cost of Ownership
Owning a 1991 Isuzu Trooper can be surprisingly economical for its class, especially if you're mechanically inclined. Insurance costs are generally moderate due to its age and lower market value. Fuel economy, while not stellar (15-18 MPG), is comparable to other SUVs of its era. Maintenance costs can be low if you perform DIY tasks, as parts are generally affordable and readily available. However, repair costs can escalate quickly if specific or less common parts are needed, or if specialized labor is required for issues like transmission or engine problems. Long-term, it is moderately costly due to the potential for age-related repairs, particularly rust mitigation, but it's generally less expensive to own than many newer SUVs if well-maintained.
1991 Isuzu Trooper Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
1991 Isuzu Trooper Safety Rating
NHTSA
1991 Isuzu Trooper Insurance
Insurance for a 1991 Isuzu Trooper is moderately priced, reflecting its status as a Wagon with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1991 Isuzu Trooper Compare to Other Wagon?
The 1991 Isuzu Trooper competed in a robust segment of rugged, body-on-frame SUVs. Its key rivals included vehicles like the Toyota 4Runner, Nissan Pathfinder, and the Jeep Cherokee (XJ).
Performance: The Trooper's performance, particularly with the 4-cylinder engine, was often outpaced by rivals. The 4Runner and Pathfinder, especially with their optional V6 engines, generally offered more spirited acceleration and smoother on-road manners. The Jeep Cherokee XJ was known for its nimble handling and capable off-road prowess, often feeling more agile than the Trooper. The Trooper, however, excelled in sheer ruggedness and often offered a more commanding driving position.
Features: In 1991, features were relatively basic across all these vehicles. The Trooper's LS trim offered comparable amenities to mid-level trims of the 4Runner and Pathfinder, such as power windows and A/C. Jeep Cherokee models were often more spartan unless optioned up. None offered the advanced technology found in modern SUVs, with a focus on core functionality.
Reliability: The Isuzu Trooper has a reputation for being mechanically robust and reliable, especially in terms of its drivetrain. However, its Achilles' heel is often rust. The Toyota 4Runner and Nissan Pathfinder of this era are also highly regarded for their long-term reliability and durability, often surpassing the Trooper in terms of susceptibility to rust. The Jeep Cherokee XJ is also known for its robust mechanics but can have its own set of electrical and cooling system quirks.
Price: At the time of release, pricing was competitive. In the used market, all these vehicles have depreciated significantly. A well-maintained Trooper is often more affordable than a comparable 4Runner or Pathfinder, making it a strong value proposition for those prioritizing capability over refinement.
Alternatives:
Performance: The Trooper's performance, particularly with the 4-cylinder engine, was often outpaced by rivals. The 4Runner and Pathfinder, especially with their optional V6 engines, generally offered more spirited acceleration and smoother on-road manners. The Jeep Cherokee XJ was known for its nimble handling and capable off-road prowess, often feeling more agile than the Trooper. The Trooper, however, excelled in sheer ruggedness and often offered a more commanding driving position.
Features: In 1991, features were relatively basic across all these vehicles. The Trooper's LS trim offered comparable amenities to mid-level trims of the 4Runner and Pathfinder, such as power windows and A/C. Jeep Cherokee models were often more spartan unless optioned up. None offered the advanced technology found in modern SUVs, with a focus on core functionality.
Reliability: The Isuzu Trooper has a reputation for being mechanically robust and reliable, especially in terms of its drivetrain. However, its Achilles' heel is often rust. The Toyota 4Runner and Nissan Pathfinder of this era are also highly regarded for their long-term reliability and durability, often surpassing the Trooper in terms of susceptibility to rust. The Jeep Cherokee XJ is also known for its robust mechanics but can have its own set of electrical and cooling system quirks.
Price: At the time of release, pricing was competitive. In the used market, all these vehicles have depreciated significantly. A well-maintained Trooper is often more affordable than a comparable 4Runner or Pathfinder, making it a strong value proposition for those prioritizing capability over refinement.
Alternatives:
- Toyota 4Runner: Generally considered the benchmark for reliability and resale value in this class. Offers a strong V6 option and legendary durability.
- Nissan Pathfinder: A strong competitor with good on-road manners and off-road capability, often featuring more power than the Trooper.
- Jeep Cherokee (XJ): Offers a more compact footprint, excellent handling, and iconic off-road capability, though can be less comfortable for long trips.
Final Verdict: Is the 1991 Isuzu Trooper a Good Wagon?
The 1991 Isuzu Trooper is ideal for adventure enthusiasts, off-roaders, or anyone seeking a no-nonsense, durable, and relatively affordable SUV. It is worth buying if you prioritize capability and character over modern amenities and flawless on-road refinement. It’s best purchased as a used vehicle, as new ones are unavailable. Look for well-maintained examples, ideally with documented service history and minimal rust. The LS trim offers a better balance of comfort and utility. If you can find a clean, rust-free Trooper, especially with the 4WD system and a manual transmission, it offers excellent value and a rewarding ownership experience for those willing to perform basic maintenance and accept its vintage charm.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.