The 1990 Porsche 928 is a front-engine, rear-wheel-drive luxury grand tourer produced by Porsche from 1978 to 1995. This unique two-door hatchback was Porsche's first V8-powered production car. Key trims for 1990 include the base 928 S4 and the more performance-oriented 928 GT. It stands out for its distinctive styling, potent V8 engine, and sophisticated engineering, offering a blend of sports car performance and GT comfort that remains appealing to enthusiasts.
The Good
The 1990 928 offers a thrilling V8 performance experience with a comfortable ride for long journeys. Its timeless design appeals to the heart, while its robust build and German engineering provide practical reliability and enduring value.
The Bad
Potential buyers should watch out for aging electrical systems, particularly wiring harnesses and the complex dashboard electronics. Transmission issues, particularly with automatic gearboxes, can be costly to repair. Regular and specialized maintenance is crucial for longevity.
1990 Porsche 928: Quick Overview
- Engine Options: The 1990 Porsche 928 primarily featured a 5.0-liter V8 engine.
- Horsepower: The 928 S4 typically produced around 316 horsepower, while the 928 GT offered a slight increase, often around 326 horsepower.
- Fuel Economy: Fuel economy was not a strong suit for the 928. Expect figures in the range of 13-17 mpg city and 18-23 mpg highway, depending on driving conditions and transmission.
- 0-60 Times: Performance figures varied slightly between transmissions and trims, but 0-60 mph times were generally in the 5.5 to 6.5-second range.
- Towing Capacity: The Porsche 928 was not designed for towing and does not have an officially specified towing capacity.
- Trim-Level Features (1990 Model Year):
928 S4: Standard features included leather interior, power-adjustable front seats, automatic climate control, ABS, electric sunroof, cruise control, power windows and mirrors, and a premium audio system. Options included a limited-slip differential and a rear spoiler.
928 GT: Building on the S4, the GT often came with sportier suspension tuning, a more aggressive exhaust note, and sometimes unique interior trim. It was often equipped with the manual transmission as standard or a more performance-oriented automatic. Key features were similar to the S4, with an emphasis on enhanced driving dynamics.
1990 Porsche 928 Specifications
Vehicle Information
| Year | 1990 |
| Make | Porsche |
| Model | 928 |
| Trim | - |
| Style | 4-Speed Automatic |
| Type | Coupe |
| Category | Minicompact Car |
Manufacturing Details
| Made In | Germany |
| Manufacturing City | STUTTGART-ZUFFENHAUSEN |
Dimensions
| Doors | 2-Door |
| Curb Weight | 3505 pounds |
| Gross Vehicle Weight Rating | - |
| Overall Height | 50.50 inches |
| Overall Length | 178.10 inches |
| Overall Width | 72.30 inches |
| Wheelbase Length | 98.40 inches |
| Standard Seating | 4 |
Engine & Performance
| Engine | 5.0L V8 DOHC 32V |
| Engine Size | 5L |
| Engine Cylinders | 8 |
| Transmission | 4-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 4-Speed |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $74,545 |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 1990 Porsche 928 Have?
The 1990 Porsche 928, like many complex German cars of its era, has a reputation for requiring diligent maintenance to ensure long-term reliability. One of the most frequently reported issues revolves around its extensive electrical system. Aging wiring harnesses, particularly in the engine bay and dashboard, can degrade, leading to intermittent failures of various components, including instrument cluster readings, power accessories, and fuel delivery systems. The climate control system is another common area of concern, with actuators and control units prone to failure. The automatic transmission, while generally robust, can develop leaks or shifting issues over time and may require expensive repairs. Manual transmissions are typically more reliable but clutch wear is a factor. The V8 engine itself is generally well-built, but issues like oil leaks from the front snout seal or timing belt failure (if not replaced at recommended intervals) can be significant. Cooling system components, such as hoses and radiators, can also age and require replacement. While specific recalls for the 1990 model year are not extensively documented in public databases, general maintenance and proactive replacement of wear items are key to mitigating common problems. The complexity of the vehicle means that finding experienced mechanics who are knowledgeable about the 928 can be a challenge, and specialized labor can contribute to higher repair costs. There are no widespread, consistently reported major design flaws that affect all vehicles of this model year, but the age of the components dictates a higher likelihood of various minor and potentially major repairs over time.
How long will the 1990 Porsche 928 last?
Based on owner data and maintenance habits, a well-maintained 1990 Porsche 928 can reliably serve its owner for well over 200,000 miles. However, this longevity is heavily dependent on meticulous and regular maintenance. Owners who adhere to Porsche's recommended service intervals, especially for the timing belt, and address minor issues promptly, will find the car to be exceptionally durable. Weaknesses over time tend to appear in the aging electrical components and cooling system. The transmission, particularly the automatic, can be a point of concern with higher mileage if not serviced properly. Despite these potential issues, the core mechanicals of the V8 engine and drivetrain are robust and designed for extended service life when treated with care.
What Technology & Safety Features are Included?
The 1990 Porsche 928 was a technologically advanced vehicle for its time, offering a blend of comfort and driver-focused features. Standard technology included a comprehensive analog instrument cluster, providing drivers with vital information at a glance. Climate control was typically automatic, offering precise temperature regulation. Entertainment was provided by a premium audio system, often featuring multiple speakers and a cassette deck, with an optional CD player available. While modern driver-assistance systems were non-existent, the 928 did feature Anti-lock Braking System (ABS) as standard, enhancing braking stability and control. Power windows, power mirrors, and a power sunroof were also common, contributing to the car's premium feel and convenience. Optional features could include a limited-slip differential for enhanced traction and performance, and sportier suspension tuning on certain trims like the GT. For safety, the 928 was equipped with substantial crumple zones and reinforced passenger cell construction, typical of Porsche's commitment to occupant protection. Seatbelts were standard, and later models benefited from improved airbag technology though airbags were not standard on the 1990 model. Crash-test ratings for vehicles of this era are not directly comparable to modern standards and were not as widely published. However, Porsche's engineering philosophy at the time prioritized structural integrity and occupant safety through robust chassis design. The overall emphasis was on active safety through good handling and braking, and passive safety through strong construction.
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.
1990 Porsche 928 Prices and Market Value
When new, the 1990 Porsche 928 S4 had an MSRP in the range of $70,000 to $80,000, with the 928 GT often commanding a higher price. These cars have undergone significant depreciation from their original sticker price. Today, used market prices for a 1990 928 can vary widely, typically ranging from $15,000 for a project car or high-mileage example to $40,000 or more for pristine, low-mileage S4 or GT models in excellent condition. Factors affecting resale value include overall condition, mileage, maintenance history, originality, and the presence of desirable options. Well-maintained examples with documented service records are highly sought after, while those needing significant work will be at the lower end of the price spectrum. The classic car market's appreciation for well-preserved Porsches has helped stabilize and even increase values for exceptional examples.
1990 Porsche 928 Cost of Ownership
Owning a 1990 Porsche 928 is decidedly costly. Insurance premiums can be high due to its classic sports car status and replacement parts cost. Fuel economy is poor, averaging around 15-20 mpg. Maintenance requires specialized knowledge and parts, leading to significant bills; expect routine services to be expensive. Repairs, especially for the V8 engine and complex electrical systems, can be very costly, often running into thousands of dollars. This is not an economical vehicle to own; it is a car for enthusiasts who understand and can afford the associated financial commitment for upkeep and potential repairs.
1990 Porsche 928 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
22.70 gallons
City Mileage
13 miles/gallon
Highway Mileage
19 miles/gallon
1990 Porsche 928 Safety Rating
NHTSA
IIHS
1990 Porsche 928 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
1990 Porsche 928 Insurance
Insurance for a 1990 Porsche 928 is moderately priced, reflecting its status as a Coupe with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1990 Porsche 928 Compare to Other Coupe?
In 1990, the Porsche 928 competed in a rarefied segment, often alongside performance-oriented luxury coupes and grand tourers. Key rivals included cars like the Chevrolet Corvette ZR-1, the BMW 8 Series (E31), and to some extent, the higher-end models from Mercedes-Benz like the SL.
Performance: The 928's V8 offered strong acceleration and excellent highway cruising capabilities. The Corvette ZR-1, with its Lotus-tuned engine, might have had a slight edge in outright horsepower and track-focused performance. The BMW 8 Series offered a smoother, more refined V12 power delivery, prioritizing luxury over raw sportiness.
Features: The 928 was well-equipped for its era, boasting a sophisticated automatic climate control and a premium sound system. The BMW 8 Series, being a newer design, often featured more advanced electronics and luxury appointments. The Corvette offered a more spartan interior focused on driving dynamics.
Reliability: This is where the 928 can be a double-edged sword. While the core V8 engine is robust, its complex electrical system and age present potential reliability challenges. The Corvette ZR-1, while powerful, also has its share of potential issues. The BMW 8 Series, particularly with its V12, is known for being complex and expensive to maintain. Mercedes-Benz vehicles of this era generally had a strong reputation for build quality, though repairs can still be costly.
Price: The 928 was positioned as a premium GT, with prices reflecting its German engineering and performance pedigree. The Corvette ZR-1 was also a high-priced performance variant. The BMW 8 Series and Mercedes-Benz SL were similarly expensive.
Alternatives: For those seeking a similar grand touring experience with potentially more straightforward reliability, a well-maintained late-model Mercedes-Benz SL (e.g., R129 generation) could be a comparable option, though often with a less sporty feel. A BMW 850i offers a different flavor of luxury GT performance with its V12 engine, though maintenance can be even more demanding. If raw performance is the priority and a less refined interior is acceptable, a Chevrolet Corvette ZR-1 provides a potent American alternative. However, for its unique blend of V8 power, transaxle design, and unmistakable Porsche DNA, the 928 remains a distinctive choice.
Performance: The 928's V8 offered strong acceleration and excellent highway cruising capabilities. The Corvette ZR-1, with its Lotus-tuned engine, might have had a slight edge in outright horsepower and track-focused performance. The BMW 8 Series offered a smoother, more refined V12 power delivery, prioritizing luxury over raw sportiness.
Features: The 928 was well-equipped for its era, boasting a sophisticated automatic climate control and a premium sound system. The BMW 8 Series, being a newer design, often featured more advanced electronics and luxury appointments. The Corvette offered a more spartan interior focused on driving dynamics.
Reliability: This is where the 928 can be a double-edged sword. While the core V8 engine is robust, its complex electrical system and age present potential reliability challenges. The Corvette ZR-1, while powerful, also has its share of potential issues. The BMW 8 Series, particularly with its V12, is known for being complex and expensive to maintain. Mercedes-Benz vehicles of this era generally had a strong reputation for build quality, though repairs can still be costly.
Price: The 928 was positioned as a premium GT, with prices reflecting its German engineering and performance pedigree. The Corvette ZR-1 was also a high-priced performance variant. The BMW 8 Series and Mercedes-Benz SL were similarly expensive.
Alternatives: For those seeking a similar grand touring experience with potentially more straightforward reliability, a well-maintained late-model Mercedes-Benz SL (e.g., R129 generation) could be a comparable option, though often with a less sporty feel. A BMW 850i offers a different flavor of luxury GT performance with its V12 engine, though maintenance can be even more demanding. If raw performance is the priority and a less refined interior is acceptable, a Chevrolet Corvette ZR-1 provides a potent American alternative. However, for its unique blend of V8 power, transaxle design, and unmistakable Porsche DNA, the 928 remains a distinctive choice.
Final Verdict: Is the 1990 Porsche 928 a Good Coupe?
The 1990 Porsche 928 is ideal for the discerning enthusiast who appreciates unique design, potent V8 performance, and the driving dynamics of a rear-wheel-drive grand tourer, and who possesses the mechanical inclination or financial resources for specialized maintenance. It's certainly worth buying for the right person, particularly as a collectible appreciating asset. However, it's crucial to buy a used example with a comprehensive service history, preferably a well-documented S4 or GT trim, as these offered the most refined performance and features. This car is not for the budget-conscious buyer looking for low-cost transportation; it requires a commitment to preservation and potentially significant investment in upkeep to ensure long-term enjoyment and reliability. A pre-purchase inspection by a Porsche specialist is highly recommended.
Jovan
Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.