The 1991 Buick Riviera belongs to the eighth generation (1986-1993) of this personal luxury coupe. Known for its distinctively rounded, aerodynamic body style, it offered a blend of comfort and technology. Key trims often included a well-equipped base model. New, its pricing ranged from approximately $23,000 to $26,000. It stood out for its "Graphic Control Center" touchscreen and plush ride, appealing to buyers seeking an upscale, quiet driving experience.
The Good
The 1991 Riviera offers exceptional comfort with its soft suspension and roomy interior, appealing to practical buyers seeking a smooth ride. Its distinctive design and luxury features like the digital dashboard satisfy emotional desires for unique elegance. Generally reliable for its era, it provides decent fuel efficiency for a large coupe and represents strong used-car value today.
The Bad
Known weaknesses for the 1991 Riviera include potential issues with the "Graphic Control Center" touchscreen, which can fail. Electrical gremlins, particularly related to accessories and power windows, are common. The automatic climate control system can also be problematic. Rust on older models, especially in salt-belt regions, is another concern.
1991 Buick Riviera: Quick Overview
- Engine:
The 1991 Buick Riviera was primarily offered with one engine option for the North American market:
3.8L (231 cu in) V6 (LN3 SFI 3800 V6) - Horsepower:
170 hp @ 4800 rpm - Torque:
220 lb-ft @ 3200 rpm - Transmission:
4-speed automatic (4T60) - Fuel Economy (EPA estimates):
City: 17-18 MPG
Highway: 26-28 MPG
Combined: Around 20-22 MPG
(Note: These are estimates and actual mileage can vary based on driving conditions and maintenance.) - 0-60 mph Acceleration:
Approximately 9.0-9.5 seconds (Performance figures can vary slightly based on sources and testing conditions). - Towing Capacity:
While not a primary towing vehicle, the 1991 Buick Riviera typically had a modest towing capacity, often rated around 1,000 lbs to 2,000 lbs with proper equipment, primarily for light loads. Always refer to the owner's manual for precise limits. - Trim-Level Features (Base Model - well-equipped):
- Standard Features:
- "Graphic Control Center" (GCC) with a 9-inch CRT touchscreen for climate control, audio, and vehicle diagnostics.
- Automatic climate control.
- Power windows, door locks, and mirrors.
- Tilt steering wheel.
- Cruise control.
- AM/FM stereo cassette with seek/scan.
- Full instrumentation including tachometer.
- Velour or optional leather upholstery.
- Power driver's seat.
- Four-wheel independent suspension.
- Optional Features (could be standalone or part of packages):
- Leather seating surfaces.
- Power passenger seat.
- Concert Sound II audio system with graphic equalizer.
- Anti-lock Braking System (ABS).
- Keyless entry system.
- Power moonroof.
- Driver's side airbag (later in the generation, not always standard in '91).
1991 Buick Riviera Specifications
Vehicle Information
| Year | 1991 |
| Make | Buick |
| Model | Riviera |
| Trim | - |
| Style | Coupe |
| Type | Coupe |
| Category | Mid-Size Car |
Manufacturing Details
| Made In | United States |
| Manufacturing City | HAMTRAMCK |
Dimensions
| Doors | 2-Door |
| Curb Weight | 3497 pounds |
| Gross Vehicle Weight Rating | - |
| Overall Height | 52.90 inches |
| Overall Length | 198.30 inches |
| Overall Width | 73.10 inches |
| Wheelbase Length | 108.00 inches |
| Standard Seating | 5 |
Engine & Performance
| Engine | 3.8L V6 |
| Engine Size | 3.8L |
| Engine Cylinders | 6 |
| Transmission | 4-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 4-Speed |
| Drivetrain | Front-Wheel Drive |
Additional Features
| Anti-Brake System | Non-ABS 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $24,560 |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 1991 Buick Riviera Have?
The 1991 Buick Riviera, like its eighth-generation siblings, has several frequently reported problems and long-term reliability concerns. A prominent issue is the "Graphic Control Center" (GCC) CRT touchscreen. These units are prone to failure due to age, leading to a loss of control over essential functions like climate and radio. Finding replacement screens or units can be very challenging and expensive today.
Electrical problems are also common. Owners frequently report issues with power windows failing, usually due to faulty motors or regulators. Other electrical gremlins include intermittent gauge operation, unreliable cruise control, and problems with the power antenna. The automatic climate control system, even if the GCC is working, can develop issues with blend doors or sensors, leading to incorrect temperature regulation.
Mechanical issues often include transmission troubles with the 4T60 automatic, particularly if regular fluid changes were neglected. Shifting can become harsh or delayed. The 3.8L V6 engine (LN3) itself is generally robust, but components like intake manifold gaskets can fail, leading to coolant leaks or oil contamination. Age can also bring about issues with suspension components, such as worn shocks, struts, and bushings, impacting the car's famously smooth ride. Rust is a significant concern, especially on lower body panels, rocker panels, and around wheel wells, particularly in regions with harsh winters and road salt.
Recalls for the 1991 model year, if any, would typically address safety concerns. For this specific year, common recalls across GM vehicles of the era sometimes involved issues with fuel system components or seatbelt retractors, but specific recalls for the 1991 Riviera should be checked via NHTSA's database using the VIN, as information can vary. Overall, while the drivetrain can be durable with good maintenance, the sophisticated electronics and accessories are the primary long-term reliability concerns, making finding well-preserved examples challenging.
Electrical problems are also common. Owners frequently report issues with power windows failing, usually due to faulty motors or regulators. Other electrical gremlins include intermittent gauge operation, unreliable cruise control, and problems with the power antenna. The automatic climate control system, even if the GCC is working, can develop issues with blend doors or sensors, leading to incorrect temperature regulation.
Mechanical issues often include transmission troubles with the 4T60 automatic, particularly if regular fluid changes were neglected. Shifting can become harsh or delayed. The 3.8L V6 engine (LN3) itself is generally robust, but components like intake manifold gaskets can fail, leading to coolant leaks or oil contamination. Age can also bring about issues with suspension components, such as worn shocks, struts, and bushings, impacting the car's famously smooth ride. Rust is a significant concern, especially on lower body panels, rocker panels, and around wheel wells, particularly in regions with harsh winters and road salt.
Recalls for the 1991 model year, if any, would typically address safety concerns. For this specific year, common recalls across GM vehicles of the era sometimes involved issues with fuel system components or seatbelt retractors, but specific recalls for the 1991 Riviera should be checked via NHTSA's database using the VIN, as information can vary. Overall, while the drivetrain can be durable with good maintenance, the sophisticated electronics and accessories are the primary long-term reliability concerns, making finding well-preserved examples challenging.
How long will the 1991 Buick Riviera last?
With diligent maintenance, a 1991 Buick Riviera could comfortably achieve 150,000 to 200,000 miles, potentially even more. Owners reporting high mileage often emphasize regular oil changes, transmission fluid services, and prompt attention to minor repairs. The 3.8L V6 engine is remarkably durable, often outlasting other components.
However, long-term durability is frequently hampered by the car's electrical systems and interior components. The "Graphic Control Center" touchscreen is a major weakness, often failing long before the engine or transmission. Power window motors, climate control actuators, and various sensors are also prone to age-related failure. Suspension components will wear out, necessitating replacement to maintain the signature smooth ride. Rust can also significantly limit the vehicle's lifespan, especially in northern climates. While the mechanicals can be robust, the sophisticated electronics become increasingly problematic and costly to repair over time.
However, long-term durability is frequently hampered by the car's electrical systems and interior components. The "Graphic Control Center" touchscreen is a major weakness, often failing long before the engine or transmission. Power window motors, climate control actuators, and various sensors are also prone to age-related failure. Suspension components will wear out, necessitating replacement to maintain the signature smooth ride. Rust can also significantly limit the vehicle's lifespan, especially in northern climates. While the mechanicals can be robust, the sophisticated electronics become increasingly problematic and costly to repair over time.
What Technology & Safety Features are Included?
The 1991 Buick Riviera was a technology showcase for its era, most notably featuring the "Graphic Control Center" (GCC). This 9-inch monochromatic CRT touchscreen managed the climate control, audio system (AM/FM stereo cassette), and provided basic trip computer functions and vehicle diagnostic messages. It was a pioneering piece of in-car tech, though its reliability has become a common long-term issue.
For entertainment, the standard setup was an AM/FM stereo cassette player, often upgradable to a premium Concert Sound II system with a graphic equalizer for enhanced audio quality. Power antenna was also a common feature.
Driver-assistance features were minimal by modern standards but advanced for its time. Cruise control was standard, providing convenience on long trips. Anti-lock Braking System (ABS) was an optional but highly desirable safety feature, enhancing stopping performance in adverse conditions. The vehicle also featured power steering and an independent suspension system designed to provide a smooth, controlled ride, effectively a form of passive driver-assistance by reducing driver fatigue.
In terms of safety, the 1991 Riviera typically included standard three-point seatbelts for front occupants and lap belts for rear passengers. Some models, especially later in the generation or with specific option packages, could have a driver's side airbag, which was becoming more common but wasn't universally standard in 1991 across all cars. Power door locks were also standard. Due to its age, comprehensive modern crash-test ratings (like those from NHTSA or IIHS) are not readily available or comparable to today's standards. Vehicles of this vintage generally offered less structural protection than contemporary designs, focusing more on occupant restraint systems like seatbelts and, if equipped, airbags. The heavy, full-size construction did offer some inherent mass advantage in collisions compared to smaller vehicles.
For entertainment, the standard setup was an AM/FM stereo cassette player, often upgradable to a premium Concert Sound II system with a graphic equalizer for enhanced audio quality. Power antenna was also a common feature.
Driver-assistance features were minimal by modern standards but advanced for its time. Cruise control was standard, providing convenience on long trips. Anti-lock Braking System (ABS) was an optional but highly desirable safety feature, enhancing stopping performance in adverse conditions. The vehicle also featured power steering and an independent suspension system designed to provide a smooth, controlled ride, effectively a form of passive driver-assistance by reducing driver fatigue.
In terms of safety, the 1991 Riviera typically included standard three-point seatbelts for front occupants and lap belts for rear passengers. Some models, especially later in the generation or with specific option packages, could have a driver's side airbag, which was becoming more common but wasn't universally standard in 1991 across all cars. Power door locks were also standard. Due to its age, comprehensive modern crash-test ratings (like those from NHTSA or IIHS) are not readily available or comparable to today's standards. Vehicles of this vintage generally offered less structural protection than contemporary designs, focusing more on occupant restraint systems like seatbelts and, if equipped, airbags. The heavy, full-size construction did offer some inherent mass advantage in collisions compared to smaller vehicles.
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 Buick Riviera Prices and Market Value
When new, the 1991 Buick Riviera had an MSRP generally ranging from approximately $23,000 to $26,000, depending on options and trim. This placed it firmly in the personal luxury segment.
Today, its depreciation is nearly complete, and it has transitioned into a classic or enthusiast vehicle, though not a highly sought-after one in the broader market. Current used market prices are very low, typically ranging from a few hundred dollars for a running but rough example to $3,000-$6,000 for well-maintained, low-mileage examples in excellent condition. Exceptional, concours-quality cars might fetch slightly more, but these are rare.
Factors affecting resale value heavily include the condition of the "Graphic Control Center" (GCC) touchscreen, overall mechanical soundness, rust presence, and originality. A functioning GCC significantly boosts value. Lack of widespread collector interest and the abundance of more iconic American classics mean its resale value remains modest, primarily appealing to niche enthusiasts or those seeking an affordable vintage cruiser.
Today, its depreciation is nearly complete, and it has transitioned into a classic or enthusiast vehicle, though not a highly sought-after one in the broader market. Current used market prices are very low, typically ranging from a few hundred dollars for a running but rough example to $3,000-$6,000 for well-maintained, low-mileage examples in excellent condition. Exceptional, concours-quality cars might fetch slightly more, but these are rare.
Factors affecting resale value heavily include the condition of the "Graphic Control Center" (GCC) touchscreen, overall mechanical soundness, rust presence, and originality. A functioning GCC significantly boosts value. Lack of widespread collector interest and the abundance of more iconic American classics mean its resale value remains modest, primarily appealing to niche enthusiasts or those seeking an affordable vintage cruiser.
1991 Buick Riviera Cost of Ownership
Owning a 1991 Buick Riviera can be surprisingly economical in some aspects and costly in others. Insurance is generally low due to its age and modest value. Fuel costs are moderate; its V6 engine delivers decent highway MPG for its size but is less efficient in city driving. Routine maintenance (oil, filters) is inexpensive, as parts for the 3.8L V6 are readily available. However, repairs can be costly, especially for specialized electrical components like the "Graphic Control Center" or power window motors, where finding new parts is difficult. Age-related issues with suspension, brakes, and a/c can also add up. Overall, it's economical for daily driving if major electronic systems are sound, but costly to restore or keep perfect.
1991 Buick Riviera Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
18.80 gallons
City Mileage
18 miles/gallon
Highway Mileage
27 miles/gallon
1991 Buick Riviera Safety Rating
NHTSA
IIHS
1991 Buick Riviera 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 Buick Riviera Insurance
Insurance for a 1991 Buick Riviera is moderately priced, reflecting its status as a Coupe with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1991 Buick Riviera Compare to Other Coupe?
The 1991 Buick Riviera competed in the personal luxury coupe segment, primarily against vehicles like the Cadillac Eldorado, Oldsmobile Toronado, and imports such as the Acura Legend Coupe or even some smaller Mercedes-Benz models.
In terms of Performance, the Riviera's 3.8L V6 offered a respectable 170 horsepower, providing adequate but not exhilarating acceleration. It was generally on par with its domestic rivals like the Toronado (which shared the same platform and engine) and the base Eldorado. The Acura Legend Coupe, with its V6, often delivered more spirited performance and better handling dynamics, while European luxury coupes often offered more powerful engines or superior driving engagement.
Features were a strong point for the Riviera, especially its pioneering "Graphic Control Center" touchscreen. This was more advanced than many competitors, including the Eldorado, which relied on more conventional buttons and digital displays. However, the reliability of this complex system proved to be a long-term drawback. Comfort, plush interiors, and a serene ride were hallmarks shared with most domestic rivals.
Reliability of the 3.8L V6 engine itself was generally good, outperforming some V8 engines of the era in terms of longevity. However, the Riviera's Achilles' heel was its complex electronics, particularly the GCC, which suffered from common failures. The Eldorado and Toronado often shared similar electrical vulnerabilities. Japanese rivals like the Acura Legend generally offered superior overall reliability and fewer electronic headaches, while European models could be expensive to maintain even if mechanically robust.
Price new, the Riviera was competitive within its segment. Today, on the used market, the Riviera is significantly more affordable than a comparable Eldorado (which has a slightly stronger classic following) and much cheaper than an Acura Legend Coupe or any European luxury coupe of the same vintage. Its unique styling and advanced (for its time) tech contribute to its niche appeal, but not necessarily its market value.
Recommendations for alternatives:
For a similar comfortable, American luxury experience with potentially better long-term parts availability, consider a Buick LeSabre Coupe or Park Avenue Coupe from the same era (though these are larger). If seeking better reliability and a more engaging driving experience, an Acura Legend Coupe (1987-1995) is a superior choice, albeit at a higher used price point. For domestic luxury with a potentially stronger V8, a Cadillac Eldorado (ninth generation, 1992-2002) would be a more modern option, though the '91 Eldorado is very similar to the Riviera in many aspects.
In terms of Performance, the Riviera's 3.8L V6 offered a respectable 170 horsepower, providing adequate but not exhilarating acceleration. It was generally on par with its domestic rivals like the Toronado (which shared the same platform and engine) and the base Eldorado. The Acura Legend Coupe, with its V6, often delivered more spirited performance and better handling dynamics, while European luxury coupes often offered more powerful engines or superior driving engagement.
Features were a strong point for the Riviera, especially its pioneering "Graphic Control Center" touchscreen. This was more advanced than many competitors, including the Eldorado, which relied on more conventional buttons and digital displays. However, the reliability of this complex system proved to be a long-term drawback. Comfort, plush interiors, and a serene ride were hallmarks shared with most domestic rivals.
Reliability of the 3.8L V6 engine itself was generally good, outperforming some V8 engines of the era in terms of longevity. However, the Riviera's Achilles' heel was its complex electronics, particularly the GCC, which suffered from common failures. The Eldorado and Toronado often shared similar electrical vulnerabilities. Japanese rivals like the Acura Legend generally offered superior overall reliability and fewer electronic headaches, while European models could be expensive to maintain even if mechanically robust.
Price new, the Riviera was competitive within its segment. Today, on the used market, the Riviera is significantly more affordable than a comparable Eldorado (which has a slightly stronger classic following) and much cheaper than an Acura Legend Coupe or any European luxury coupe of the same vintage. Its unique styling and advanced (for its time) tech contribute to its niche appeal, but not necessarily its market value.
Recommendations for alternatives:
For a similar comfortable, American luxury experience with potentially better long-term parts availability, consider a Buick LeSabre Coupe or Park Avenue Coupe from the same era (though these are larger). If seeking better reliability and a more engaging driving experience, an Acura Legend Coupe (1987-1995) is a superior choice, albeit at a higher used price point. For domestic luxury with a potentially stronger V8, a Cadillac Eldorado (ninth generation, 1992-2002) would be a more modern option, though the '91 Eldorado is very similar to the Riviera in many aspects.
Final Verdict: Is the 1991 Buick Riviera a Good Coupe?
The 1991 Buick Riviera is ideal for the enthusiast who appreciates a distinctive slice of 1990s American luxury and technology, particularly its unique "Graphic Control Center". It's perfect for someone seeking a comfortable, smooth-riding cruiser that stands out from the crowd without breaking the bank upfront.
Is it worth buying? Yes, but with significant caveats. It's absolutely a used-car purchase, as new examples are obviously unavailable. It's worth buying if you are mechanically inclined or have access to a reliable, knowledgeable mechanic familiar with vintage GM vehicles. Look for examples where the GCC is fully functional and the electrical systems are sound, as these are the costliest and most frustrating failures. A well-maintained base model in excellent condition offers the best value. Avoid neglected examples unless you're prepared for a substantial restoration effort. It's not a car for someone needing absolute bulletproof reliability or seeking modern performance, but rather for those who appreciate its specific blend of comfort, style, and nostalgic tech.
Is it worth buying? Yes, but with significant caveats. It's absolutely a used-car purchase, as new examples are obviously unavailable. It's worth buying if you are mechanically inclined or have access to a reliable, knowledgeable mechanic familiar with vintage GM vehicles. Look for examples where the GCC is fully functional and the electrical systems are sound, as these are the costliest and most frustrating failures. A well-maintained base model in excellent condition offers the best value. Avoid neglected examples unless you're prepared for a substantial restoration effort. It's not a car for someone needing absolute bulletproof reliability or seeking modern performance, but rather for those who appreciate its specific blend of comfort, style, and nostalgic tech.
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.