The 1991 Buick Park Avenue introduced the second generation of this venerable full-size luxury sedan, a refined evolution of the H-body platform previously underpinning the Buick Electra. Offered primarily as the Park Avenue and the more opulent Park Avenue Ultra, it boasted a serene ride and a spacious, comfortable interior. New prices ranged from approximately $25,000 to over $30,000. It stood out for its plush American luxury and the introduction of the robust 3.8L 3800 V6 engine, making it a popular choice for smooth, quiet cruising.
The Good
Its 3.8L 3800 V6 engine delivers smooth, reliable performance, appealing to practical buyers seeking legendary durability. Exceptional comfort, with plush seating and a remarkably quiet cabin, offers a luxurious experience for emotional buyers. Its stately design, decent fuel efficiency for its size, and excellent used market value make it a compelling package for those seeking classic American comfort and dependability.
The Bad
Known weaknesses include the 4T60-E automatic transmission's eventual failure, common electrical gremlins like power window motors and dashboard lights, and potential issues with the HVAC blend door actuator. Rear air shocks (if equipped) can fail, leading to a sagging rear. Rust is also a significant concern, especially in regions exposed to road salt.
1991 Buick Park Avenue: Quick Overview
The 1991 Buick Park Avenue, in its debut year for the second generation, offered a specific set of key specifications and features:
- Engine Option: Primarily equipped with the reliable 3.8L (3800 Series I) V6 engine, designated as the L27. While later models introduced a supercharged version, the 1991 model exclusively featured the naturally aspirated variant.
- Horsepower: The L27 3.8L V6 produced 170 horsepower at 4800 rpm and 220 lb-ft of torque at 3200 rpm, providing ample power for comfortable cruising.
- Fuel Economy: EPA estimates for the 1991 Park Avenue were approximately 18 MPG in the city and 27 MPG on the highway, considered respectable for a full-size sedan of its era.
- 0-60 MPH Time: Acceleration from 0 to 60 mph was typically in the range of 9.0 to 9.5 seconds, offering smooth, unhurried performance rather than outright speed.
- Towing Capacity: The vehicle generally had a light-duty towing capacity, usually rated around 1,000 lbs, suitable for small trailers or recreational equipment.
- Trim-Level Features:
- Park Avenue (Base): Standard features included power windows, power door locks, power mirrors, automatic climate control, tilt steering wheel, cruise control, a full complement of analog gauges, and an AM/FM cassette stereo. Upholstery was typically plush cloth, with leather being an available option. Seating for six was common with a front bench seat.
- Park Avenue Ultra: This premium trim elevated the luxury experience. It built upon the base model's features, adding standard leather seating (often with individual front seats and a floor console, reducing seating to five), a more advanced electronic digital instrument cluster, a premium sound system, and often a more sophisticated Gran Touring suspension system, which could include self-leveling rear air shocks. Unique alloy wheels and additional power adjustments for the front seats were also customary. The Ultra focused on enhanced comfort, convenience, and a more upscale interior environment.
1991 Buick Park Avenue Specifications
Vehicle Information
| Year | 1991 |
| Make | Buick |
| Model | Park Avenue |
| Trim | - |
| Style | Sedan |
| Type | Sedan |
| Category | Large Car |
Manufacturing Details
| Made In | United States |
| Manufacturing City | WENTZVILLE |
Dimensions
| Doors | 4-Door |
| Curb Weight | 3580 pounds |
| Gross Vehicle Weight Rating | - |
| Overall Height | 55.30 inches |
| Overall Length | 205.20 inches |
| Overall Width | 74.90 inches |
| Wheelbase Length | 110.80 inches |
| Standard Seating | 6 |
Engine & Performance
| Engine | 3.8-L V-6 OHV 12V |
| 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 | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $24,385 |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 1991 Buick Park Avenue Have?
The 1991 Buick Park Avenue, while known for its robust 3800 Series I V6 engine, does have several frequently reported problems and long-term reliability concerns typical for a vehicle of its age and design. The most significant mechanical concern is the 4T60-E automatic transmission. While generally durable, it is often a failure point beyond 100,000 to 150,000 miles, manifesting as delayed engagement, harsh shifts, or slipping. A rebuild or replacement can be costly.
Electrical issues are also common. Owners frequently report failures of power window motors, intermittent operation of dashboard lights or gauges, and issues with the automatic climate control system's blend door actuators, leading to inconsistent heating or cooling. The digital dashboards found in Ultra models, while advanced for their time, can also develop pixel loss or complete failure over decades.
Suspension components are another area of concern. If equipped with self-leveling rear air shocks, these units can fail, causing the rear of the vehicle to sag. Standard suspension bushings and ball joints will also wear out over time, leading to a degraded ride quality and handling.
Power steering leaks from hoses or the pump are not uncommon, nor are failures of the fuel pump, which can cause stalling or no-start conditions. While the 3800 Series I is robust, intake manifold gasket leaks, more notoriously associated with the Series II, can occasionally be an issue on older Series I engines, leading to coolant loss or oil contamination.
Regarding recalls, the 1991 Buick Park Avenue had a few. Notably, there was a recall concerning the cruise control system (NHTSA Campaign ID 92V112000), where an electrical short could potentially lead to a fire. Another recall (NHTSA Campaign ID 91V103000) addressed a potential for loss of power steering assist due to a hose clamp issue. Long-term, beyond these mechanical and electrical items, rust is a major concern, particularly in the subframe, brake lines, and body panels in regions that use road salt.
Electrical issues are also common. Owners frequently report failures of power window motors, intermittent operation of dashboard lights or gauges, and issues with the automatic climate control system's blend door actuators, leading to inconsistent heating or cooling. The digital dashboards found in Ultra models, while advanced for their time, can also develop pixel loss or complete failure over decades.
Suspension components are another area of concern. If equipped with self-leveling rear air shocks, these units can fail, causing the rear of the vehicle to sag. Standard suspension bushings and ball joints will also wear out over time, leading to a degraded ride quality and handling.
Power steering leaks from hoses or the pump are not uncommon, nor are failures of the fuel pump, which can cause stalling or no-start conditions. While the 3800 Series I is robust, intake manifold gasket leaks, more notoriously associated with the Series II, can occasionally be an issue on older Series I engines, leading to coolant loss or oil contamination.
Regarding recalls, the 1991 Buick Park Avenue had a few. Notably, there was a recall concerning the cruise control system (NHTSA Campaign ID 92V112000), where an electrical short could potentially lead to a fire. Another recall (NHTSA Campaign ID 91V103000) addressed a potential for loss of power steering assist due to a hose clamp issue. Long-term, beyond these mechanical and electrical items, rust is a major concern, particularly in the subframe, brake lines, and body panels in regions that use road salt.
How long will the 1991 Buick Park Avenue last?
Based on owner data and diligent maintenance habits, the 1991 Buick Park Avenue, particularly its legendary 3800 Series I V6 engine, is capable of achieving remarkable longevity. Many examples easily exceed 200,000 to 250,000 miles, and well-maintained cars can offer 15-20 years or more of reliable service. The engine itself is a testament to long-term durability, often outlasting many other components.
However, weaknesses emerge over time. The 4T60-E automatic transmission is generally the first major component to require significant attention, often around the 150,000-mile mark. Electrical systems become prone to age-related failures, including power windows, climate control actuators, and dashboard components. Suspension wear is inevitable, and rust can become a serious structural and aesthetic issue, especially in rust-prone climates, affecting brake lines, subframes, and body panels. Interior materials like headliners and seat upholstery may also show significant deterioration.
However, weaknesses emerge over time. The 4T60-E automatic transmission is generally the first major component to require significant attention, often around the 150,000-mile mark. Electrical systems become prone to age-related failures, including power windows, climate control actuators, and dashboard components. Suspension wear is inevitable, and rust can become a serious structural and aesthetic issue, especially in rust-prone climates, affecting brake lines, subframes, and body panels. Interior materials like headliners and seat upholstery may also show significant deterioration.
What Technology & Safety Features are Included?
The 1991 Buick Park Avenue offered a blend of technology, comfort, and safety features that were quite advanced for its time.
Built-in Tech: Standard features included automatic climate control, allowing precise temperature management, and a full suite of power accessories such as power windows, door locks, and mirrors. The Park Avenue Ultra often boasted a cutting-edge (for the era) electronic digital instrument cluster, which provided various readouts for speed, fuel level, and other vital information, replacing traditional analog gauges. Power-adjustable seats, particularly for the driver, were common, offering enhanced comfort.
Entertainment: A standard AM/FM stereo with a cassette player was included. Higher trims or optional packages could feature a premium sound system, sometimes with a graphic equalizer, and steering wheel-mounted audio controls. While less common for 1991, CD players were an option on some premium GM models, though not universally standard on the Park Avenue.
Driver-Assistance: Cruise control was a standard convenience feature for highway driving. Anti-lock Brakes (ABS) were standard on the Park Avenue Ultra and an available option on the base Park Avenue, significantly enhancing braking safety. Traction control was also offered, providing improved stability in slippery conditions.
Safety Features: A driver's side airbag was a significant safety inclusion, making the 1991 Park Avenue one of the earlier mass-market vehicles to offer this feature as standard. Three-point seatbelts for front and outboard rear passengers, along with child safety locks on the rear doors, were also standard. While not as common as today, daytime running lights were not a feature on this specific model year.
Crash-Test Ratings: Comprehensive crash-test ratings, especially side-impact or offset frontal tests, were not as standardized or publicly available in 1991 as they are today. However, NHTSA (National Highway Traffic Safety Administration) conducted frontal crash tests. Vehicles on GM's H-body platform from this period, typically with the standard driver's airbag, generally performed adequately, offering a reasonable level of occupant protection for the time. Specific numeric ratings comparable to modern star ratings are difficult to find for this exact model year.
Built-in Tech: Standard features included automatic climate control, allowing precise temperature management, and a full suite of power accessories such as power windows, door locks, and mirrors. The Park Avenue Ultra often boasted a cutting-edge (for the era) electronic digital instrument cluster, which provided various readouts for speed, fuel level, and other vital information, replacing traditional analog gauges. Power-adjustable seats, particularly for the driver, were common, offering enhanced comfort.
Entertainment: A standard AM/FM stereo with a cassette player was included. Higher trims or optional packages could feature a premium sound system, sometimes with a graphic equalizer, and steering wheel-mounted audio controls. While less common for 1991, CD players were an option on some premium GM models, though not universally standard on the Park Avenue.
Driver-Assistance: Cruise control was a standard convenience feature for highway driving. Anti-lock Brakes (ABS) were standard on the Park Avenue Ultra and an available option on the base Park Avenue, significantly enhancing braking safety. Traction control was also offered, providing improved stability in slippery conditions.
Safety Features: A driver's side airbag was a significant safety inclusion, making the 1991 Park Avenue one of the earlier mass-market vehicles to offer this feature as standard. Three-point seatbelts for front and outboard rear passengers, along with child safety locks on the rear doors, were also standard. While not as common as today, daytime running lights were not a feature on this specific model year.
Crash-Test Ratings: Comprehensive crash-test ratings, especially side-impact or offset frontal tests, were not as standardized or publicly available in 1991 as they are today. However, NHTSA (National Highway Traffic Safety Administration) conducted frontal crash tests. Vehicles on GM's H-body platform from this period, typically with the standard driver's airbag, generally performed adequately, offering a reasonable level of occupant protection for the time. Specific numeric ratings comparable to modern star ratings are difficult to find for this exact model year.
What Colors Options are Available?
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1991 Buick Park Avenue Prices and Market Value
When new, the 1991 Buick Park Avenue carried a sticker price ranging approximately from $25,000 for the base model to around $29,000-$32,000 for the more luxurious Park Avenue Ultra. Today, its current used market price is dramatically lower, typically ranging from $1,500 to $6,000+, depending heavily on condition. Exceptionally preserved, low-mileage examples might fetch more from collectors.
This vehicle experienced significant depreciation, losing the vast majority of its value within the first decade, a common trend for large American luxury sedans. Factors affecting its current resale value include overall condition (rust-free body, clean interior), documented maintenance history, mileage, and originality. The Ultra trim generally holds a slightly higher value due to its enhanced features. As an older model, its value is more driven by enthusiast interest and preservation rather than mainstream demand.
This vehicle experienced significant depreciation, losing the vast majority of its value within the first decade, a common trend for large American luxury sedans. Factors affecting its current resale value include overall condition (rust-free body, clean interior), documented maintenance history, mileage, and originality. The Ultra trim generally holds a slightly higher value due to its enhanced features. As an older model, its value is more driven by enthusiast interest and preservation rather than mainstream demand.
1991 Buick Park Avenue Cost of Ownership
Insuring a 1991 Buick Park Avenue is generally economical due to its age, lower market value, and non-performance nature. Fuel costs are moderate; it requires regular unleaded gasoline, and its 18/27 MPG (city/highway) is decent for a full-size car but not exceptional. Routine maintenance is relatively inexpensive, with parts being widely available and affordable. However, major repairs, particularly transmission rebuilds or extensive electrical work, can be costly. While individual repairs can be pricey, the low initial purchase price and cheap basic upkeep can make it an economical car to own, provided you avoid a neglected example that requires substantial deferred maintenance.
1991 Buick Park Avenue Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
18.00 gallons
City Mileage
18 miles/gallon
Highway Mileage
27 miles/gallon
1991 Buick Park Avenue Safety Rating
NHTSA
IIHS
1991 Buick Park Avenue 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 Park Avenue Insurance
Insurance for a 1991 Buick Park Avenue is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1991 Buick Park Avenue Compare to Other Sedan?
The 1991 Buick Park Avenue competed against a field of domestic full-size luxury sedans, including the Oldsmobile Ninety-Eight, Cadillac DeVille/Fleetwood, Ford Crown Victoria/Mercury Grand Marquis, and Chrysler New Yorker/Imperial.
In terms of performance, the Park Avenue's 3.8L 3800 V6 offered a smooth and adequate 170 hp, often feeling more refined and slightly more fuel-efficient than the V8s found in contemporary Ford Crown Victorias (which offered 150-180 hp from their 5.0L V8s) or the larger V8s in Cadillacs (like the 4.9L, offering more power but less efficiency). It prioritizes smooth cruising over sporty dynamics.
Features-wise, especially the Park Avenue Ultra, it was highly competitive. It offered automatic climate control, available digital dashboards, and plush interiors on par with the Oldsmobile Ninety-Eight (its platform twin) and close to base Cadillac models. Ford and Chrysler equivalents often had less standard equipment at similar price points, though higher trims could match.
Reliability is where the Park Avenue truly shines due to its legendary 3800 V6, which often outlasts engines from its rivals, including some problematic Cadillac V8s (like earlier HT4100s, though 4.9L was better) and older Ford V8s. The primary reliability weak point is the 4T60-E transmission, which was less robust than some Ford units (like the AOD-E).
Regarding price, the Park Avenue offered excellent value for its level of luxury and features, often undercutting similarly equipped Cadillacs while providing a more upscale feel than base Ford or Chrysler offerings.
Similar Alternatives: The Oldsmobile Ninety-Eight is virtually identical mechanically, offering a slightly different aesthetic. A Pontiac Bonneville from the same era offers a sportier take on the H-body platform.
Better Alternatives: If enhanced long-term reliability for all components (not just the engine) and greater refinement are paramount, a slightly newer Lexus ES (though smaller) would be a superior choice. For a more modern driving experience and rear-wheel-drive durability, a 1998+ Ford Crown Victoria or Mercury Grand Marquis with the 4.6L V8 and updated chassis offers a robust and comfortable alternative, often at a similar price point on the used market. For peak domestic luxury, a well-maintained Cadillac DeVille of the same era offers more amenities, but potentially higher repair costs for its more complex systems.
In terms of performance, the Park Avenue's 3.8L 3800 V6 offered a smooth and adequate 170 hp, often feeling more refined and slightly more fuel-efficient than the V8s found in contemporary Ford Crown Victorias (which offered 150-180 hp from their 5.0L V8s) or the larger V8s in Cadillacs (like the 4.9L, offering more power but less efficiency). It prioritizes smooth cruising over sporty dynamics.
Features-wise, especially the Park Avenue Ultra, it was highly competitive. It offered automatic climate control, available digital dashboards, and plush interiors on par with the Oldsmobile Ninety-Eight (its platform twin) and close to base Cadillac models. Ford and Chrysler equivalents often had less standard equipment at similar price points, though higher trims could match.
Reliability is where the Park Avenue truly shines due to its legendary 3800 V6, which often outlasts engines from its rivals, including some problematic Cadillac V8s (like earlier HT4100s, though 4.9L was better) and older Ford V8s. The primary reliability weak point is the 4T60-E transmission, which was less robust than some Ford units (like the AOD-E).
Regarding price, the Park Avenue offered excellent value for its level of luxury and features, often undercutting similarly equipped Cadillacs while providing a more upscale feel than base Ford or Chrysler offerings.
Similar Alternatives: The Oldsmobile Ninety-Eight is virtually identical mechanically, offering a slightly different aesthetic. A Pontiac Bonneville from the same era offers a sportier take on the H-body platform.
Better Alternatives: If enhanced long-term reliability for all components (not just the engine) and greater refinement are paramount, a slightly newer Lexus ES (though smaller) would be a superior choice. For a more modern driving experience and rear-wheel-drive durability, a 1998+ Ford Crown Victoria or Mercury Grand Marquis with the 4.6L V8 and updated chassis offers a robust and comfortable alternative, often at a similar price point on the used market. For peak domestic luxury, a well-maintained Cadillac DeVille of the same era offers more amenities, but potentially higher repair costs for its more complex systems.
Final Verdict: Is the 1991 Buick Park Avenue a Good Sedan?
The 1991 Buick Park Avenue is an ideal vehicle for individuals seeking an incredibly comfortable, quiet, and spacious full-size sedan on a very tight budget. It caters to drivers who appreciate traditional American luxury, a smooth "floaty" ride, and the famed reliability of the 3800 V6 engine. It's also suitable for those needing a dependable second car or a relatively easy-to-work-on project.
It is absolutely worth buying as a used vehicle, under specific conditions. Look for a well-maintained example, ideally a Park Avenue Ultra for its enhanced features, with documented service history and minimal rust, especially in the subframe. A pre-purchase inspection is crucial, focusing on the 4T60-E transmission, electrical system, and suspension. If found in good condition, its low purchase price, affordable parts, and robust engine make it an exceptional value for comfortable, no-nonsense classic American motoring.
It is absolutely worth buying as a used vehicle, under specific conditions. Look for a well-maintained example, ideally a Park Avenue Ultra for its enhanced features, with documented service history and minimal rust, especially in the subframe. A pre-purchase inspection is crucial, focusing on the 4T60-E transmission, electrical system, and suspension. If found in good condition, its low purchase price, affordable parts, and robust engine make it an exceptional value for comfortable, no-nonsense classic American motoring.
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.