1991 Isuzu Impulse Overview, Reviews, Ratings & Specs
The 1991 Isuzu Impulse is a stylish, front-wheel-drive compact sports coupe that emerged from Isuzu's collaboration with Lotus. Produced from 1989 to 1993, its distinctive, aerodynamic design, penned by Giorgetto Giugiaro, set it apart. Key trims included the base Impulse and the sportier RS. Initially, pricing ranged from the mid-$20,000s. Its popularity stemmed from its unique looks and a surprisingly engaging driving experience for its class.
The Good
The 1991 Isuzu Impulse offers sharp, distinctive styling that appeals to the eye. Its agile handling provides an enjoyable driving experience, while its surprisingly comfortable interior makes it practical for daily use. For enthusiasts, its unique design is a major draw; for others, its solid build quality and reasonable fuel economy present a good value proposition.
The Bad
When considering a 1991 Isuzu Impulse, watch out for potential electrical gremlins, particularly with the pop-up headlights and window mechanisms. Rust can be an issue in certain climates, and aging suspension components may require attention. The original stereo systems can also be prone to failure.
1991 Isuzu Impulse: Quick Overview
- Engine Options: The 1991 Isuzu Impulse primarily featured a 1.6-liter turbocharged inline-4 engine. Some earlier models or specific market variations might have had naturally aspirated options, but the turbo was the defining powerplant for this generation.
- Horsepower: The turbocharged 1.6-liter engine typically produced around 160 horsepower. This was a healthy output for a compact car of its era, contributing to its sporty feel.
- Fuel Economy: Fuel economy varied depending on driving conditions and transmission, but generally, expect around 20-24 MPG combined for the turbocharged models.
- 0-60 Times: With its turbocharged engine and relatively light weight, the 1991 Isuzu Impulse could achieve 0-60 mph in approximately 7.5 to 8.5 seconds, making it quite sprightly for its time.
- Towing Capacity: As a compact sports coupe, the Isuzu Impulse was not designed for towing and does not have a specified towing capacity.
- Trim-Level Features:
Base Impulse: Typically included features like power windows, power door locks, air conditioning, a tilt steering wheel, and a digital instrument cluster. Some might have had a sunroof. Basic sound system.
RS Trim: The RS model often came with more performance-oriented features. This could include sportier suspension tuning, alloy wheels, often a more advanced stereo system with more speakers, and potentially unique interior trim. Some RS models might have had anti-lock brakes (ABS) as standard or optional, which was a premium feature. The aerodynamic body kit was also more pronounced on the RS. Both trims benefited from the distinctive pop-up headlights.
1991 Isuzu Impulse Specifications
Vehicle Information
| Year | 1991 |
| Make | Isuzu |
| Model | Impulse |
| Trim | - |
| Style | 4-Speed |
| Type | Coupe |
| Category | Subcompact Car |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | FUJISAWA |
Dimensions
| Doors | 2-Door |
| Curb Weight | 2732 pounds |
| Gross Vehicle Weight Rating | - |
| Overall Height | 51.80 inches |
| Overall Length | 166.10 inches |
| Overall Width | 66.70 inches |
| Wheelbase Length | 96.50 inches |
| Standard Seating | 4 |
Engine & Performance
| Engine | 1.6L I4 |
| Engine Size | 1.6L |
| Engine Cylinders | 4 |
| Transmission | 4-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 4-Speed |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | Non-ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $14,849 |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 1991 Isuzu Impulse Have?
The 1991 Isuzu Impulse, while generally appreciated for its unique design and performance, isn't without its potential pitfalls. One of the most commonly reported issues revolves around the car's electrical system. The pop-up headlight mechanisms, a signature feature, are notorious for becoming slow, inoperative, or getting stuck. This can be due to worn-out motors, degraded wiring, or faulty relays. Similarly, the power windows and central locking systems can develop issues over time, often stemming from failing motors or electrical connections.
Rust is another significant concern, particularly for vehicles that have lived in areas with harsh winters or high humidity. Key areas to inspect include the wheel arches, rocker panels, floor pans, and around the windows. The suspension system, like in any older vehicle, can also wear out. Expect to potentially deal with worn-out bushings, struts, and shocks, which can affect ride quality and handling.
The turbocharged engine, while offering good power, requires diligent maintenance. Overheating can be an issue if the cooling system isn't properly maintained. Turbocharger health is also crucial; listen for unusual noises or a loss of boost. While specific recalls for the 1991 model year are not widely documented as major widespread defects, it's always advisable to check with Isuzu or NHTSA for any applicable safety campaigns. Long-term reliability can be good if the car has been meticulously maintained, but neglected examples can become costly to repair due to the specialized nature of some parts and the age of the vehicle.
Rust is another significant concern, particularly for vehicles that have lived in areas with harsh winters or high humidity. Key areas to inspect include the wheel arches, rocker panels, floor pans, and around the windows. The suspension system, like in any older vehicle, can also wear out. Expect to potentially deal with worn-out bushings, struts, and shocks, which can affect ride quality and handling.
The turbocharged engine, while offering good power, requires diligent maintenance. Overheating can be an issue if the cooling system isn't properly maintained. Turbocharger health is also crucial; listen for unusual noises or a loss of boost. While specific recalls for the 1991 model year are not widely documented as major widespread defects, it's always advisable to check with Isuzu or NHTSA for any applicable safety campaigns. Long-term reliability can be good if the car has been meticulously maintained, but neglected examples can become costly to repair due to the specialized nature of some parts and the age of the vehicle.
How long will the 1991 Isuzu Impulse last?
Based on owner data and typical maintenance habits, a well-maintained 1991 Isuzu Impulse can reasonably be expected to reach mileage in the range of 150,000 to 200,000 miles, or even more. Cars that have seen consistent, quality maintenance, especially concerning the engine's lubrication and cooling systems, and the turbocharger, tend to fare better. The long-term durability is significantly impacted by the owner's commitment to addressing common issues like rust prevention and electrical system upkeep proactively. Without this, the car's lifespan can be considerably shorter as electrical gremlins and body rot become major deterrents.
What Technology & Safety Features are Included?
The 1991 Isuzu Impulse offered a blend of then-contemporary technology and safety features, reflecting its status as a sporty coupe. Standard technology included power windows and power door locks, which were becoming more common but still appreciated. The digital instrument cluster was a standout feature, providing a modern and futuristic feel with its electronic readouts for speed, RPM, and other vital information. An AM/FM stereo system with cassette player was standard, and higher trims or optional packages might have included upgraded sound systems with more speakers, aiming for a more immersive audio experience.
In terms of driver assistance features, options were limited by the standards of the early 1990s. Anti-lock Braking System (ABS) was available as an option on some trims, offering improved braking control during emergency stops. The pop-up headlights, while a design element, also served a functional purpose by retracting to maintain aerodynamic efficiency when not in use.
Safety features for the 1991 Impulse included standard seatbelts (though often manual), and potentially driver and passenger airbags depending on the specific market and option packages, though airbags were not as universally standard as they are today. The car's chassis was designed with crumple zones to absorb impact energy.
Crash-test ratings for vehicles from this era are not as readily available or standardized as they are today. However, the Impulse was generally considered a competent handler, which can contribute to accident avoidance. Without specific NHTSA or IIHS ratings readily available for the 1991 model year, prospective buyers would need to rely on general automotive safety expectations for the period.
In terms of driver assistance features, options were limited by the standards of the early 1990s. Anti-lock Braking System (ABS) was available as an option on some trims, offering improved braking control during emergency stops. The pop-up headlights, while a design element, also served a functional purpose by retracting to maintain aerodynamic efficiency when not in use.
Safety features for the 1991 Impulse included standard seatbelts (though often manual), and potentially driver and passenger airbags depending on the specific market and option packages, though airbags were not as universally standard as they are today. The car's chassis was designed with crumple zones to absorb impact energy.
Crash-test ratings for vehicles from this era are not as readily available or standardized as they are today. However, the Impulse was generally considered a competent handler, which can contribute to accident avoidance. Without specific NHTSA or IIHS ratings readily available for the 1991 model year, prospective buyers would need to rely on general automotive safety expectations for the period.
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1991 Isuzu Impulse Prices and Market Value
When new, the 1991 Isuzu Impulse had an original MSRP that generally ranged from the mid-$20,000s to around $25,000-$27,000 for higher trims like the RS. As with most vehicles, it experienced significant depreciation in its early years.
Currently, used market prices for the 1991 Isuzu Impulse vary widely. You might find examples in poor condition for under $2,000, while well-maintained, low-mileage, or pristine examples, especially RS models, can fetch anywhere from $5,000 to $10,000 or more. Factors significantly affecting resale value include the overall condition (rust, mechanical integrity), mileage, originality of parts, trim level (RS is more desirable), and overall maintenance history. These cars are becoming collector items for enthusiasts, driving up prices for well-preserved specimens.
Currently, used market prices for the 1991 Isuzu Impulse vary widely. You might find examples in poor condition for under $2,000, while well-maintained, low-mileage, or pristine examples, especially RS models, can fetch anywhere from $5,000 to $10,000 or more. Factors significantly affecting resale value include the overall condition (rust, mechanical integrity), mileage, originality of parts, trim level (RS is more desirable), and overall maintenance history. These cars are becoming collector items for enthusiasts, driving up prices for well-preserved specimens.
1991 Isuzu Impulse Cost of Ownership
Owning a 1991 Isuzu Impulse can be moderately economical, but potential costs can escalate depending on its condition. Fuel costs are reasonable, with its 1.6L turbo engine offering decent MPG for its performance class. Insurance rates are typically not excessive for a car of this age and performance, though enthusiast policies might vary. Routine maintenance, like oil changes and tune-ups, is manageable. However, repair costs can become significant. Parts for some specialized components, especially electrical and turbo-related items, might be harder to find and more expensive. Significant repairs for rust or electrical gremlins can make it costly to own, especially if you're not mechanically inclined.
1991 Isuzu Impulse Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
12.40 gallons
City Mileage
22 miles/gallon
Highway Mileage
28 miles/gallon
1991 Isuzu Impulse Safety Rating
NHTSA
IIHS
1991 Isuzu Impulse Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
1991 Isuzu Impulse Insurance
Insurance for a 1991 Isuzu Impulse is moderately priced, reflecting its status as a Coupe with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1991 Isuzu Impulse Compare to Other Coupe?
The 1991 Isuzu Impulse competed in a segment crowded with sporty coupes and performance-oriented sedans of the late 80s and early 90s. Key rivals included cars like the:
1. Toyota MR2: Often considered a more direct competitor in terms of sporting intent, the MR2 (especially the supercharged variant) offered superior handling and a mid-engine layout for a more exotic feel. However, the Impulse often provided more practicality with its 2+2 seating and arguably more striking, unconventional styling. Reliability is typically a strong point for Toyota.
2. Mitsubishi Eclipse/Eagle Talon/Plymouth Laser: These Japanese-market-derived cars offered similar turbocharged performance and often all-wheel-drive (on higher trims) at a comparable price point. They generally had a wider availability of parts and a larger aftermarket support base. Reliability was generally good, though some electrical issues were also reported in these models. The Impulse's design is arguably more unique and less common.
3. Honda CRX/Prelude: The CRX was smaller and lighter, offering nimble handling and excellent fuel economy but less outright power. The Prelude offered a more refined and comfortable coupe experience, often with VTEC engines and more sophisticated features, but at a higher price point. Both Honda models generally boasted superior reliability and ease of maintenance.
4. Nissan 240SX: A rear-wheel-drive option offering a more traditional sports coupe experience. While perhaps not as quick out of the box as the turbocharged Impulse, it offered a fantastic platform for modification and was known for its robust mechanicals.
Alternatives: If performance and unique styling are paramount, the Impulse stands out. For similar performance and broader parts availability, consider the Mitsubishi Eclipse GSX or Eagle Talon TSi. If outright reliability and ease of ownership are top priorities, a Honda Prelude or Toyota MR2 might be safer, albeit potentially less distinctive, choices. The Impulse carved its niche with its bold design and spirited, albeit less common, turbocharged performance.
1. Toyota MR2: Often considered a more direct competitor in terms of sporting intent, the MR2 (especially the supercharged variant) offered superior handling and a mid-engine layout for a more exotic feel. However, the Impulse often provided more practicality with its 2+2 seating and arguably more striking, unconventional styling. Reliability is typically a strong point for Toyota.
2. Mitsubishi Eclipse/Eagle Talon/Plymouth Laser: These Japanese-market-derived cars offered similar turbocharged performance and often all-wheel-drive (on higher trims) at a comparable price point. They generally had a wider availability of parts and a larger aftermarket support base. Reliability was generally good, though some electrical issues were also reported in these models. The Impulse's design is arguably more unique and less common.
3. Honda CRX/Prelude: The CRX was smaller and lighter, offering nimble handling and excellent fuel economy but less outright power. The Prelude offered a more refined and comfortable coupe experience, often with VTEC engines and more sophisticated features, but at a higher price point. Both Honda models generally boasted superior reliability and ease of maintenance.
4. Nissan 240SX: A rear-wheel-drive option offering a more traditional sports coupe experience. While perhaps not as quick out of the box as the turbocharged Impulse, it offered a fantastic platform for modification and was known for its robust mechanicals.
Alternatives: If performance and unique styling are paramount, the Impulse stands out. For similar performance and broader parts availability, consider the Mitsubishi Eclipse GSX or Eagle Talon TSi. If outright reliability and ease of ownership are top priorities, a Honda Prelude or Toyota MR2 might be safer, albeit potentially less distinctive, choices. The Impulse carved its niche with its bold design and spirited, albeit less common, turbocharged performance.
Final Verdict: Is the 1991 Isuzu Impulse a Good Coupe?
The 1991 Isuzu Impulse is ideal for the automotive enthusiast who values distinctive styling, a bit of quirky charm, and a peppy turbocharged engine without breaking the bank on a more exotic sports car. It's worth buying for someone seeking a head-turning classic that offers a fun driving experience, especially if they have some mechanical aptitude or access to a good mechanic.
This car is best purchased in its used form, as new examples no longer exist. Focus on finding a well-maintained example, preferably the RS trim for its enhanced performance and features. Thoroughly inspect for rust, electrical issues, and turbocharger health. If you're prepared for potential maintenance and appreciate its unique character, the 1991 Isuzu Impulse can be a rewarding and surprisingly affordable entry into the world of 90s performance coupes.
This car is best purchased in its used form, as new examples no longer exist. Focus on finding a well-maintained example, preferably the RS trim for its enhanced performance and features. Thoroughly inspect for rust, electrical issues, and turbocharger health. If you're prepared for potential maintenance and appreciate its unique character, the 1991 Isuzu Impulse can be a rewarding and surprisingly affordable entry into the world of 90s performance coupes.
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.