The 1990 Isuzu Trooper, a rugged body-on-frame SUV, served as a capable off-roader and family vehicle. Produced from 1981 to 2002, the 1990 model falls into the second generation (1992-2002), though earlier models were also available. Key trims included the base and XS. New pricing ranged from approximately $17,000 to $20,000. It stood out for its robust construction and genuine off-road prowess, making it popular among adventurers and those seeking a durable utility vehicle.
The Good
The 1990 Isuzu Trooper offers robust performance for its era, commendable reliability, and a surprisingly comfortable ride. Its utilitarian yet classic design appeals to those valuing practicality. For value, it provides enduring utility and off-road capability, making it a smart choice for adventurous and budget-conscious buyers.
The Bad
Common weaknesses for the 1990 Isuzu Trooper include potential rust issues, particularly on the frame and body. Some owners report transmission problems, especially with automatic transmissions, and occasional engine overheating. Electrical gremlins and aging suspension components are also points to watch out for.
1990 Isuzu Trooper: Quick Overview
Key specifications for the 1990 Isuzu Trooper:
- Engine Options:
- 2.6-liter 4-cylinder gasoline engine.
- 3.1-liter V6 diesel engine (less common in North America).
- Horsepower:
- The 2.6L 4-cylinder typically produced around 120-130 horsepower.
- The 3.1L V6 diesel offered approximately 120-130 horsepower.
- Fuel Economy:
- Expect fuel economy in the range of 15-18 MPG city and 18-21 MPG highway, depending on engine and drivetrain.
- 0-60 Times:
- These figures were generally in the 12-15 second range, reflective of SUVs of this era.
- Towing Capacity:
- Towing capacity typically ranged from 4,500 to 5,000 lbs when properly equipped.
- Trim-Level Features (Base & XS):
- Base Trim: Often included essential features like power steering, power brakes, and a basic AM/FM stereo. Vinyl or cloth seating. Manual transmission was common.
- XS Trim: Typically added more comfort and convenience features. This could include:
- Air conditioning
- Power windows and locks
- Upgraded interior trim (e.g., cloth seats with better bolstering)
- Chrome exterior accents
- Optional automatic transmission
- Limited-slip differential (on some 4WD models)
- Sunroof (optional on some trims)
- Running boards
- Roof rack
- Drivetrain: Available in 2WD and 4WD configurations. The 4WD system was robust and often featured a two-speed transfer case for serious off-road use.
- Transmission: Manual transmissions were standard, with 4-speed or 5-speed options. A 4-speed automatic transmission was also available.
1990 Isuzu Trooper Specifications
Vehicle Information
| Year | 1990 |
| Make | Isuzu |
| Model | Trooper |
| Trim | - |
| Style | - |
| Type | - |
| Category | - |
Manufacturing Details
| Made In | - |
| Manufacturing City | - |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | - |
| Engine Size | - |
| Engine Cylinders | - |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | - |
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 1990 Isuzu Trooper Have?
The 1990 Isuzu Trooper, while generally considered reliable for its time, is not without its common issues. Owners frequently report concerns related to:
Rust: This is perhaps the most significant long-term concern. The frame, rocker panels, wheel wells, and lower body panels are susceptible to corrosion, especially in areas with harsh winters or coastal environments. Thorough inspection of the undercarriage is crucial when considering a purchase.
Engine and Transmission:
Electrical System: Like many vehicles of this era, the Trooper can suffer from electrical gremlins. This can manifest as faulty gauges, intermittent power to accessories, or issues with the power window/lock systems. Aged wiring harnesses and connections are often the culprits.
Suspension and Steering: Worn ball joints, tie rod ends, and bushings can lead to a sloppy steering feel and uneven tire wear. Power steering pumps can also develop leaks or become noisy.
Recalls: While specific recalls for the 1990 model year are not widely documented or particularly extensive, it's always advisable to check the NHTSA website for any outstanding safety recalls associated with this vehicle. Most issues tend to be wear-and-tear related rather than widespread manufacturing defects for this particular model year.
Long-Term Reliability: With consistent and diligent maintenance, many 1990 Isuzu Troopers can achieve high mileage. However, the aforementioned issues, particularly rust and transmission concerns, can become significant repair expenses that may outweigh the vehicle's value if not addressed proactively. The durability of the core mechanical components is generally good, but surrounding systems and bodywork are susceptible to age and environmental factors.
Rust: This is perhaps the most significant long-term concern. The frame, rocker panels, wheel wells, and lower body panels are susceptible to corrosion, especially in areas with harsh winters or coastal environments. Thorough inspection of the undercarriage is crucial when considering a purchase.
Engine and Transmission:
- Overheating: The cooling system can be a point of failure. Radiator leaks, failing water pumps, and clogged passages can lead to overheating.
- Head Gaskets: While not a universal problem, head gasket failures have been reported on some engines, leading to coolant loss and potential engine damage.
- Automatic Transmission Issues: The automatic transmissions, particularly on higher-mileage vehicles, can develop problems. These may include slipping gears, harsh shifting, or complete failure. Regular fluid changes are essential but sometimes not enough to prevent issues as they age.
- Clutch Issues: Manual transmissions can experience clutch wear, leading to slipping or difficulty engaging gears.
Electrical System: Like many vehicles of this era, the Trooper can suffer from electrical gremlins. This can manifest as faulty gauges, intermittent power to accessories, or issues with the power window/lock systems. Aged wiring harnesses and connections are often the culprits.
Suspension and Steering: Worn ball joints, tie rod ends, and bushings can lead to a sloppy steering feel and uneven tire wear. Power steering pumps can also develop leaks or become noisy.
Recalls: While specific recalls for the 1990 model year are not widely documented or particularly extensive, it's always advisable to check the NHTSA website for any outstanding safety recalls associated with this vehicle. Most issues tend to be wear-and-tear related rather than widespread manufacturing defects for this particular model year.
Long-Term Reliability: With consistent and diligent maintenance, many 1990 Isuzu Troopers can achieve high mileage. However, the aforementioned issues, particularly rust and transmission concerns, can become significant repair expenses that may outweigh the vehicle's value if not addressed proactively. The durability of the core mechanical components is generally good, but surrounding systems and bodywork are susceptible to age and environmental factors.
How long will the 1990 Isuzu Trooper last?
Based on owner data and maintenance habits, a well-maintained 1990 Isuzu Trooper can realistically achieve an average mileage of 150,000 to 200,000 miles, with some examples surpassing 250,000 miles. The powertrain, especially the manual transmission and the 4-cylinder engine, is known for its inherent durability. However, long-term weaknesses emerge over time, primarily related to rust on the chassis and body, which can compromise structural integrity. Automatic transmissions and cooling systems are also areas where wear and tear are more pronounced. Proactive rust prevention and regular fluid maintenance are critical for maximizing its service life and ensuring its longevity, especially if driven in corrosive environments.
What Technology & Safety Features are Included?
The 1990 Isuzu Trooper, as a vehicle from its era, offered a relatively basic suite of technology and safety features, prioritizing rugged utility over advanced electronic amenities.
Built-in Tech & Entertainment:
Driver-Assistance Features:
Driver-assistance technology as we know it today was virtually nonexistent in 1990. Features were limited to:
Safety Features:
Safety features were also more rudimentary compared to current standards:
Optional Features:
Beyond ABS, optional features could include:
Crash-Test Ratings:
Crash-test data from this era is less comprehensive and standardized than what is available today. The National Highway Traffic Safety Administration (NHTSA) began conducting more rigorous testing in the 1990s. For the 1990 model year, specific crash-test ratings for the Isuzu Trooper are not readily available in the same detailed format as modern vehicles. However, its body-on-frame construction generally offered good protection in frontal and side impacts for its time, though the lack of modern airbags (which were becoming optional or standard on some luxury vehicles but not widely prevalent on this Trooper) would be a significant safety difference compared to today's vehicles.
Built-in Tech & Entertainment:
- Audio System: Standard equipment typically included an AM/FM radio, often with a cassette player. Higher trims might have offered an upgraded speaker system. The focus was on functionality rather than sophisticated sound.
- Climate Control: Manual air conditioning was a common option, and manual heating controls were standard. Automatic climate control was not a feature available in this model year.
- Instrumentation: The dashboard featured essential gauges like speedometer, tachometer (on some models), fuel level, engine temperature, and oil pressure. Warning lights for various systems were also present.
Driver-Assistance Features:
Driver-assistance technology as we know it today was virtually nonexistent in 1990. Features were limited to:
- Power Steering: Standard on most models, making maneuvering easier.
- Power Brakes: Standard, enhancing braking effectiveness.
- Four-Wheel Drive System: While not a driver-assistance feature in the modern sense, the robust 4WD system with a low-range gear significantly aided in off-road driving and challenging conditions.
Safety Features:
Safety features were also more rudimentary compared to current standards:
- Seatbelts: Three-point seatbelts were standard for front occupants.
- Anti-lock Braking System (ABS): ABS was becoming more common in the late 80s and early 90s, and was often an optional feature on higher trims of the Trooper, particularly on 4WD models.
- Side-Impact Door Beams: These were incorporated into the doors for improved structural integrity in side collisions.
- Child Safety Locks: Standard on rear doors.
Optional Features:
Beyond ABS, optional features could include:
- Sunroof
- Limited-slip differential
- Upgraded interior upholstery
- Running boards
- Roof rack
Crash-Test Ratings:
Crash-test data from this era is less comprehensive and standardized than what is available today. The National Highway Traffic Safety Administration (NHTSA) began conducting more rigorous testing in the 1990s. For the 1990 model year, specific crash-test ratings for the Isuzu Trooper are not readily available in the same detailed format as modern vehicles. However, its body-on-frame construction generally offered good protection in frontal and side impacts for its time, though the lack of modern airbags (which were becoming optional or standard on some luxury vehicles but not widely prevalent on this Trooper) would be a significant safety difference compared to today's vehicles.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
1990 Isuzu Trooper Prices and Market Value
When new, the 1990 Isuzu Trooper typically ranged from approximately $17,000 for a base model to around $20,000 for higher trims, before options. Today, the used market prices for a 1990 Isuzu Trooper vary significantly. Well-maintained examples with lower mileage and in excellent condition can command prices from $5,000 to $10,000 or even more for rare, collector-grade specimens. More common examples with higher mileage or in average condition can be found for $2,000 to $4,000. The Trooper has experienced substantial depreciation since its introduction, a typical trajectory for SUVs of this age. Factors affecting resale value include the presence of rust, transmission condition, overall mechanical health, originality of parts, and historical maintenance records. Clean, unmodified, 4WD models in good condition hold their value best.
1990 Isuzu Trooper Cost of Ownership
Owning a 1990 Isuzu Trooper can be economical for the mechanically inclined, but potentially costly for others. Insurance costs are generally moderate, especially for older vehicles. Fuel economy is mediocre, around 15-20 MPG, making it less economical for daily driving. Maintenance requires diligence, with regular fluid changes and inspections being crucial. Repair costs can be moderate, but parts availability for specialized components can sometimes be a challenge. If well-maintained, its ruggedness can lead to fewer major unforeseen repairs, but addressing rust and potential transmission issues will be key to managing long-term ownership costs.
1990 Isuzu Trooper Fuel Efficiency
Fuel Type
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Fuel Capacity
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City Mileage
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Highway Mileage
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1990 Isuzu Trooper Safety Rating
NHTSA
1990 Isuzu Trooper Insurance
Insurance for a 1990 Isuzu Trooper is moderately priced, reflecting its status as a Vehicle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1990 Isuzu Trooper Compare to Other Vehicle?
The 1990 Isuzu Trooper competed in the compact to mid-size SUV segment against vehicles like the Toyota 4Runner, Jeep Cherokee (XJ), and Ford Bronco II.
Performance: The Trooper generally offered comparable or slightly less refined on-road performance than its rivals. Its off-road capability, especially with the robust 4WD system, was a strong suit, rivaling the 4Runner and Cherokee in its dirt-worthiness. The Jeep Cherokee often had more powerful engine options available.
Features: In 1990, feature sets were comparable across these vehicles. The Trooper offered essential comforts and convenience items, but was not typically at the forefront of luxury or advanced tech. The 4Runner often provided a slightly more refined interior and a broader range of optional features. The Bronco II was generally more basic.
Reliability: The Isuzu Trooper is known for its durable core components, particularly its engines and transmissions when properly maintained. However, rust can be a significant issue, sometimes more so than on a 4Runner. The Jeep Cherokee had its own set of electrical and mechanical quirks but was also a popular choice for its ruggedness. Toyota's 4Runner generally holds a reputation for superior long-term reliability and fewer major issues across the board.
Price: When new, these vehicles were similarly priced, with slight variations based on trim and options. On the used market, all have depreciated significantly. The 4Runner often retains higher resale value due to its reputation for reliability. The Trooper can be a more budget-friendly option for those seeking off-road capability.
Alternatives:
The 1990 Isuzu Trooper is a solid choice for those prioritizing robust off-road performance and a utilitarian spirit at a potentially lower used purchase price than a comparable 4Runner, provided rust is not a major concern.
Performance: The Trooper generally offered comparable or slightly less refined on-road performance than its rivals. Its off-road capability, especially with the robust 4WD system, was a strong suit, rivaling the 4Runner and Cherokee in its dirt-worthiness. The Jeep Cherokee often had more powerful engine options available.
Features: In 1990, feature sets were comparable across these vehicles. The Trooper offered essential comforts and convenience items, but was not typically at the forefront of luxury or advanced tech. The 4Runner often provided a slightly more refined interior and a broader range of optional features. The Bronco II was generally more basic.
Reliability: The Isuzu Trooper is known for its durable core components, particularly its engines and transmissions when properly maintained. However, rust can be a significant issue, sometimes more so than on a 4Runner. The Jeep Cherokee had its own set of electrical and mechanical quirks but was also a popular choice for its ruggedness. Toyota's 4Runner generally holds a reputation for superior long-term reliability and fewer major issues across the board.
Price: When new, these vehicles were similarly priced, with slight variations based on trim and options. On the used market, all have depreciated significantly. The 4Runner often retains higher resale value due to its reputation for reliability. The Trooper can be a more budget-friendly option for those seeking off-road capability.
Alternatives:
- Toyota 4Runner: If superior long-term reliability and potentially higher resale value are paramount, the Toyota 4Runner is a very strong contender. It offers similar off-road prowess and often a more refined experience.
- Jeep Cherokee (XJ): For a more affordable entry into a capable off-roader with a vast aftermarket support, the Jeep Cherokee (XJ) is a great option. It's known for its compact size and agility.
- Nissan Pathfinder: Another comparable SUV from the era, offering good utility and off-road capability, often with a slightly more upscale feel than the Trooper.
The 1990 Isuzu Trooper is a solid choice for those prioritizing robust off-road performance and a utilitarian spirit at a potentially lower used purchase price than a comparable 4Runner, provided rust is not a major concern.
Final Verdict: Is the 1990 Isuzu Trooper a Good Vehicle?
The 1990 Isuzu Trooper is ideal for budget-conscious adventurers, off-road enthusiasts, or DIY mechanics looking for a capable and rugged SUV. It's worth buying if you prioritize genuine off-road ability and a no-nonsense utilitarian design over modern creature comforts and cutting-edge technology. This vehicle is exclusively a used purchase. It's most suitable for those who can perform their own maintenance or have access to affordable repair services, and are willing to address potential rust issues. Opting for a 4WD model with a manual transmission generally offers the most robust and reliable experience. It's a vehicle that rewards those who understand its limitations and potential needs.
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.