The 1991 Porsche 928 is a front-engine, rear-wheel-drive grand tourer that debuted in 1977 and concluded its production in 1995. Its distinctive European GT styling, featuring a fastback silhouette and pop-up headlights, set it apart. For 1991, key trims included the standard 928 and the more potent 928 S4. Original pricing ranged from approximately $60,000 to $80,000. It remains popular for its unique blend of V8 power, sophisticated handling, and luxurious interior, offering a different Porsche experience than the iconic 911.
The Good
The 1991 Porsche 928 boasts a powerful V8 engine, comfortable touring capabilities, and timeless design. Its rear transaxle contributes to excellent weight distribution, offering both exhilarating performance and a refined ride. Practical buyers appreciate its relative reliability compared to some contemporaries, while emotional buyers are drawn to its unique styling and Porsche heritage.
The Bad
Potential buyers of a 1991 Porsche 928 should be aware of aging electrical components, particularly wiring harnesses and sensor issues. Cooling system problems, including leaks and radiator failures, are also common. Maintenance can be expensive, and finding specialized mechanics is crucial.
1991 Porsche 928: Quick Overview
- Engine Options: The 1991 Porsche 928 primarily featured a 5.0-liter V8 engine. This naturally aspirated powerhouse was a significant departure from Porsche's traditional flat-six.
- Horsepower: For the 1991 model year, the standard 928 offered approximately 316 horsepower. The more performance-oriented S4 variant (though less common in 1991 compared to previous years, it was the preceding model) featured a similar displacement but with enhanced output in earlier iterations. The GTS, introduced later in the 928's life, had a larger 5.4-liter V8.
- Fuel Economy: Expect fuel economy to be in the single digits for city driving and low to mid-teens on the highway. Official EPA estimates for this era were often around 12 mpg city and 17 mpg highway, though real-world figures varied significantly with driving style.
- 0-60 Times: With its V8 power and rear-wheel drive, the 1991 928 could achieve 0-60 mph in the mid-to-high 6-second range, depending on the specific configuration and transmission.
- Towing Capacity: The Porsche 928 was not designed for towing. It is a sports grand tourer, and towing is not applicable.
- Trim-Level Features:
- Standard 928: Typically included a leather interior, power-adjustable seats, automatic climate control, a premium sound system, power windows, and anti-lock brakes (ABS). The exterior featured distinctive pop-up headlights and alloy wheels.
- 928 S4 (as the most prominent variant near 1991): While the S4 was more prominent in preceding years, the spirit of its features carried over. These would include upgrades such as a more potent engine (as mentioned above), sport suspension settings, a limited-slip differential, larger brakes, and often more aggressive aerodynamic enhancements. Some models might have offered optional sport seats and a sunroof. The 1991 model year saw a slight shift in nomenclature and focus towards the end of the 928's run, with emphasis on refinement and continuing the V8 legacy.
1991 Porsche 928 Specifications
Vehicle Information
| Year | 1991 |
| Make | Porsche |
| Model | 928 |
| Trim | - |
| Style | - |
| 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 | 5-Speed Manual |
| Transmission Type | Manual |
| Transmission Speeds | 5-Speed |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $77,500 |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 1991 Porsche 928 Have?
The 1991 Porsche 928, like many European luxury cars of its era, can present a number of long-term reliability concerns, primarily stemming from age and complexity. One of the most frequently reported issues revolves around the vehicle's extensive electrical system. Wiring harnesses, particularly the insulation, can become brittle and degrade over time, leading to a cascade of sensor failures, intermittent electrical gremlins, and dashboard warning lights. Specific culprits include the ABS controller, fuel pump relays, and various engine sensors. Owners often report issues with the instrument cluster, including malfunctioning gauges and pixelated displays.
The cooling system is another area that demands attention. Radiator leaks, failing water pumps, and thermostat issues are not uncommon. Overheating can lead to more severe engine damage, so regular inspection and maintenance of the cooling system are paramount. The automatic transmission, while generally robust, can also develop issues with age, including clunking shifts or complete failure if not properly maintained. The manual transmission is often preferred by enthusiasts for its engagement, but clutch wear is a consideration.
Fuel delivery systems can also be a source of trouble. Fuel pumps, injectors, and fuel pressure regulators can fail, leading to poor performance, rough idling, or starting problems. The pop-up headlight mechanisms, while iconic, are complex and can suffer from motor failure or misalignment.
While specific recalls for the 1991 model year are not as widespread as for some other manufacturers, it's always advisable to check Porsche's official recall database or consult a dealer for any outstanding safety campaigns. Overall, long-term reliability hinges heavily on meticulous maintenance, prompt attention to minor issues, and the use of quality parts. Finding a well-maintained example with a comprehensive service history is crucial for mitigating potential headaches.
The cooling system is another area that demands attention. Radiator leaks, failing water pumps, and thermostat issues are not uncommon. Overheating can lead to more severe engine damage, so regular inspection and maintenance of the cooling system are paramount. The automatic transmission, while generally robust, can also develop issues with age, including clunking shifts or complete failure if not properly maintained. The manual transmission is often preferred by enthusiasts for its engagement, but clutch wear is a consideration.
Fuel delivery systems can also be a source of trouble. Fuel pumps, injectors, and fuel pressure regulators can fail, leading to poor performance, rough idling, or starting problems. The pop-up headlight mechanisms, while iconic, are complex and can suffer from motor failure or misalignment.
While specific recalls for the 1991 model year are not as widespread as for some other manufacturers, it's always advisable to check Porsche's official recall database or consult a dealer for any outstanding safety campaigns. Overall, long-term reliability hinges heavily on meticulous maintenance, prompt attention to minor issues, and the use of quality parts. Finding a well-maintained example with a comprehensive service history is crucial for mitigating potential headaches.
How long will the 1991 Porsche 928 last?
Based on owner data and maintenance habits, a well-maintained 1991 Porsche 928 can realistically achieve 150,000 to 200,000 miles or more. These cars were built with a robust V8 engine designed for high-speed touring, demonstrating good long-term durability. However, their longevity is heavily dependent on diligent maintenance. The inherent weaknesses, particularly in the electrical system and cooling components, can become more pronounced with age and mileage, necessitating proactive repairs and replacements. Owners who invest in regular servicing, address issues promptly, and use quality parts can expect years of enjoyable ownership. Neglect, conversely, can lead to a significantly shorter service life and escalating repair costs.
What Technology & Safety Features are Included?
The 1991 Porsche 928 offered a blend of luxury and emerging technology for its time, prioritizing driver comfort and a connected driving experience. Standard tech features included power windows, power mirrors, cruise control, and automatic climate control, providing a comfortable environment for long journeys. The entertainment system typically comprised a premium AM/FM stereo with a cassette player, offering decent sound quality for the era. While modern infotainment systems are absent, the focus was on a clean, driver-oriented dashboard.
Driver-assistance features were relatively basic by today's standards, but included anti-lock brakes (ABS) as a key safety technology, enhancing braking control during emergency maneuvers. Power steering was standard, contributing to a comfortable and manageable driving experience. Some models might have featured optional limited-slip differentials for improved traction.
Safety features were more focused on passive protection. The 928 was equipped with seatbelts, and its robust chassis provided a solid structure. Airbags were not standard equipment on the 1991 model, a common omission for vehicles of this vintage. Crash-test ratings from this period are not as readily available or standardized as they are today; however, the 928 was engineered with a strong emphasis on occupant protection for its time, featuring a substantial body structure.
Optional features could have included leather upholstery, power-adjustable seats with memory functions, a sunroof, and sometimes upgraded sound systems. The overall philosophy behind the 1991 928's technology was to enhance the grand touring experience, providing a sophisticated and comfortable ride without the extensive electronic nannies found in modern vehicles. Its appeal lies in its analog driving feel and the mechanical engagement it offers.
Driver-assistance features were relatively basic by today's standards, but included anti-lock brakes (ABS) as a key safety technology, enhancing braking control during emergency maneuvers. Power steering was standard, contributing to a comfortable and manageable driving experience. Some models might have featured optional limited-slip differentials for improved traction.
Safety features were more focused on passive protection. The 928 was equipped with seatbelts, and its robust chassis provided a solid structure. Airbags were not standard equipment on the 1991 model, a common omission for vehicles of this vintage. Crash-test ratings from this period are not as readily available or standardized as they are today; however, the 928 was engineered with a strong emphasis on occupant protection for its time, featuring a substantial body structure.
Optional features could have included leather upholstery, power-adjustable seats with memory functions, a sunroof, and sometimes upgraded sound systems. The overall philosophy behind the 1991 928's technology was to enhance the grand touring experience, providing a sophisticated and comfortable ride without the extensive electronic nannies found in modern vehicles. Its appeal lies in its analog driving feel and the mechanical engagement it offers.
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 Porsche 928 Prices and Market Value
When new, the 1991 Porsche 928 carried a substantial price tag, typically ranging from around $60,000 for a base model to upwards of $70,000 or more for variants with more options. Like most luxury vehicles, it experienced significant depreciation in its early years. However, as a classic Porsche, its depreciation has largely stabilized, and well-maintained examples have seen appreciation in recent years. Current used market prices for a 1991 928 can vary widely, from $15,000 for projects to $30,000+ for pristine, low-mileage examples. Factors significantly affecting resale value include condition, mileage, maintenance history, originality, and specific trim levels or desirable options. Rarity and collector interest also play a role in driving up prices for exceptional specimens.
1991 Porsche 928 Cost of Ownership
Owning a 1991 Porsche 928 is generally considered costly. Insurance premiums will be higher than for mainstream vehicles due to its performance, age, and luxury status. Fuel costs are significant, with the V8 engine consuming premium unleaded gasoline at a substantial rate. Maintenance requires specialized knowledge and parts, leading to higher labor rates. Repair costs can be particularly high, especially for complex electrical or mechanical issues. While not economical to own, its long-term value appreciation for well-maintained examples can offset some of these expenses for enthusiasts. Expect a significant budget for upkeep and potential repairs.
1991 Porsche 928 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
22.70 gallons
City Mileage
13 miles/gallon
Highway Mileage
19 miles/gallon
1991 Porsche 928 Safety Rating
NHTSA
IIHS
1991 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
1991 Porsche 928 Insurance
Insurance for a 1991 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 1991 Porsche 928 Compare to Other Coupe?
The 1991 Porsche 928 occupied a unique niche as a front-engine V8 grand tourer, placing it against rivals like the BMW 8 Series (e.g., 850i), Mercedes-Benz SL-Class (e.g., R129), and potentially higher-end Jaguars. In terms of performance, the 928's 316 horsepower V8 offered brisk acceleration, competitive with its peers, though perhaps not as outright potent as some of the V12 offerings from BMW or Jaguar. Its rear transaxle provided excellent weight distribution and handling characteristics that were arguably more focused than some rivals.
Features-wise, the 928 was well-equipped for its time, offering luxury appointments and a sophisticated interior. The BMW 8 Series often boasted more advanced technology and a more opulent feel, while the Mercedes SL offered a blend of performance and luxury in a convertible or hardtop form. Reliability is where the 928 can be a mixed bag. While its core V8 engine is robust, the complex electrical systems and aging components can be more problematic than some of its German or British counterparts. The BMW 8 Series, while complex, often had a more integrated electronic architecture. Mercedes-Benz vehicles of this era are generally regarded for their solid build quality and long-term durability, though also expensive to maintain.
Price-wise, the 928 was a premium offering, comparable to its direct competitors. However, in the used market today, well-maintained 928s can represent better value than similarly aged 8 Series or SL models, especially considering their increasing classic status. Alternatives that offer similar grand touring capabilities with potentially better long-term reliability could include a later model BMW 5 Series (E34) or E39, or a Mercedes-Benz E-Class Coupe from the 1990s. For pure performance and handling with classic appeal, a Porsche 911 of a similar vintage might be considered, though it offers a very different driving experience. If a powerful V8 GT is the primary goal, a well-maintained Maserati of the era could also be a contender, albeit with its own set of reliability concerns.
Features-wise, the 928 was well-equipped for its time, offering luxury appointments and a sophisticated interior. The BMW 8 Series often boasted more advanced technology and a more opulent feel, while the Mercedes SL offered a blend of performance and luxury in a convertible or hardtop form. Reliability is where the 928 can be a mixed bag. While its core V8 engine is robust, the complex electrical systems and aging components can be more problematic than some of its German or British counterparts. The BMW 8 Series, while complex, often had a more integrated electronic architecture. Mercedes-Benz vehicles of this era are generally regarded for their solid build quality and long-term durability, though also expensive to maintain.
Price-wise, the 928 was a premium offering, comparable to its direct competitors. However, in the used market today, well-maintained 928s can represent better value than similarly aged 8 Series or SL models, especially considering their increasing classic status. Alternatives that offer similar grand touring capabilities with potentially better long-term reliability could include a later model BMW 5 Series (E34) or E39, or a Mercedes-Benz E-Class Coupe from the 1990s. For pure performance and handling with classic appeal, a Porsche 911 of a similar vintage might be considered, though it offers a very different driving experience. If a powerful V8 GT is the primary goal, a well-maintained Maserati of the era could also be a contender, albeit with its own set of reliability concerns.
Final Verdict: Is the 1991 Porsche 928 a Good Coupe?
The 1991 Porsche 928 is ideal for the discerning enthusiast who appreciates unique automotive design, V8 power, and a refined grand touring experience, and who possesses a healthy budget for maintenance and potential repairs. It is absolutely worth buying for those who understand its quirks and are willing to invest in keeping it in top condition. This is a car best purchased used, as new examples are long gone. Focus on meticulously maintained examples with comprehensive service histories. While specific trims like the S4 offer enhanced performance, even a well-kept standard 928 provides a compelling Porsche ownership experience that is distinct from the 911. It's not a car for the faint of heart or the budget-conscious, but for the right owner, it offers a rewarding and stylish classic driving machine.
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.