Buick Park Avenue ReliabilityAll Years Ranked (1991–2004)
Side-by-side reliability scores, risk levels, and owner-cost projections for every Buick Park Avenue we've analyzed. Identify the best years to buy, the ones to avoid, and the problems that follow the Park Avenue across generations.
Average Score
87/100
Best Year
2004 Buick Park Avenue
Score 91
Weakest Year
1994 Buick Park Avenue
Score 78
Every Buick Park Avenue Ranked
Sorted by reliability score. Each link opens the full year-specific report.
A supremely comfortable and highly durable cruiser, offering outstanding value for its class.
Top risks: Cooling System / Intake Manifold Gaskets · Transmission (4T65-E) Pressure Control Solenoid · Electrical System
A supremely comfortable and mechanically simple sedan that defies its age, making it an excellent budget-friendly cruiser with minimal major headaches.
Top risks: Electrical System · Transmission (4T60/4T60-E) · Suspension & Steering
A supremely comfortable and robust classic, the 1992 Park Avenue with the 3800 V6 offers outstanding value if age-related wear is properly managed.
Top risks: Electrical System · Transmission (4T60-E) · Suspension & Steering
A supremely comfortable and surprisingly durable full-size sedan, offering exceptional value in the used market.
Top risks: HVAC System · Electrical System · Suspension & Steering
A comfortable, robust classic whose mechanical reliability far outweighs its minor age-related electrical and cosmetic issues.
Top risks: Electrical System · Suspension Components · Cooling System / Intake Manifold Gaskets
A surprisingly robust and comfortable cruiser, offering significant value if specific, well-known maintenance items are addressed.
Top risks: Engine Gasketing (Lower Intake Manifold) · Transmission (4T65E Automatic) · Electrical Systems (BCM/Window Regulators)
A supremely comfortable and largely dependable used sedan, provided its notorious intake manifold gasket has been addressed.
Top risks: Engine (Lower Intake Manifold Gasket) · Transmission (Pressure Control Solenoid) · Electrical (ABS Module & Accessories)
A testament to old-school American reliability, offering comfortable, no-nonsense transportation with minimal major headaches.
Top risks: Upper Intake Manifold Gasket · Power Steering System · Electrical - Power Windows
A supremely comfortable and highly durable cruiser, provided you address its well-known, age-related maintenance items.
Top risks: Engine Gaskets (LIM) · Power Steering System · Electrical Accessories
A supremely comfortable and mechanically stout cruiser, provided you address its known gasket and electrical sensitivities.
Top risks: Engine Intake Gaskets · Electrical System · Suspension Components
A supremely comfortable and highly reliable classic American sedan, perfect for those seeking enduring value.
Top risks: Engine: Intake Manifold Gaskets · Electrical System · Front Suspension & Steering
A testament to American durability, the Park Avenue offers exceptional value and comfort with minimal significant powertrain concerns.
Top risks: Engine - Lower Intake Manifold Gasket · Electrical System - Power Accessories · Suspension Components - Front
A supremely comfortable and reliable classic American sedan, provided you pre-empt its predictable age-related issues.
Top risks: Cooling System / Intake Manifold Gaskets · Transmission (4T60-E / 4T65-E) · Electrical System
A comfortable, budget-friendly classic cruiser, but be prepared for typical GM age-related issues beyond the engine.
Top risks: Transmission (4T60-E) · Electrical System · Cooling System
Problems That Follow the Park Avenue Across Generations
Issues that appear in the top-3 risks across multiple model years — the cost of ownership you can actually predict.
Electrical System
Appears in 9 model years · 64% of generations
Suspension & Steering
Appears in 3 model years · 21% of generations
Cooling System / Intake Manifold Gaskets
Appears in 3 model years · 21% of generations
Transmission (4T60-E)
Appears in 2 model years · 14% of generations
Suspension Components
Appears in 2 model years · 14% of generations
Power Steering System
Appears in 2 model years · 14% of generations