Park Avenue (2nd)
Engine Reliability Ratings
Buick Park Avenue Unidentified Engine
View details
Complaint Breakdown
Known Issues
L36
3.8L 6-cylView details
Complaint Breakdown
Known Issues
Show 2 additional engine variants with limited data
LZ9
3.9L 6-cylView details
Complaint Breakdown
Known Issues
L05 (Mex. Only)
5.7L 8-cylView details
Complaint Breakdown
Known Issues
Vehicle-Level Issues
These issues affect the Buick Park Avenue regardless of engine variant.
Recalls (4)
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE DOES NOT START WHEN CRANKED, THE FUEL FROM THE LEAKING REGULATOR AND A MISTIMED SPARK CAN CAUSE A BACKFIRE.
ON CERTAIN PASSENGER VEHICLES, THE EMERGENCY TRUNK RELEASE HANDLE MAY BE INSTALLED OR FORCED OUT OF THE PROPER POSITION.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME OF THESE VEHICLES FAIL TO COMPLY WITH REQUIREMENTS OF FMVSS NO. 104, "WINDSHIELD WIPING AND WASHING SYSTEMS." THESE VEHICLES HAVE A WIPER SYSTEM MICROPROCESSOR THAT IS SUSCEPTIBLE TO VOLTAGE TRANSIENTS, WHICH CAN CAUSE A "LATCH-UP" CONDITION IN THE SYSTEM CONTROLLER.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME OF THESE VEHICLES HAVE INTERNAL FLUID LEAKS IN THE BRAKE HYDRAULIC CONTROL UNIT.
Alternatives in Full-Size Sedan
Frequently Asked Questions
What are the most common 2000-2005 Buick Park Avenue problems?
The 2000-2005 Buick Park Avenue has accumulated 230 NHTSA complaints. The most frequently reported problem areas are Engine, Electrical System, Cooling System. As with any used vehicle, an inspection before buying and a vehicle history report are recommended.
Which Buick Park Avenue engine is most reliable?
The 2000-2005 Buick Park Avenue was offered with 4 engine options. Based on NHTSA complaint data, the 3.8L 6-cyl has the lowest complaint density and is considered the most reliable choice for buyers.
Is the 2000-2005 Buick Park Avenue a good used car?
The 2000-2005 Buick Park Avenue can be a sound used car depending on trim, mileage, and maintenance history. With 230 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.
How many NHTSA complaints does the 2000-2005 Buick Park Avenue have?
The 2000-2005 Buick Park Avenue has 230 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.
What recalls affect the 2000-2005 Buick Park Avenue?
There are 4 NHTSA recalls affecting some 2000-2005 Buick Park Avenue vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.
What should I check before buying a used Buick Park Avenue?
Before buying a used Buick Park Avenue, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Engine, Electrical System, Cooling System, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.
Does the Park Avenue have NHTSA crash test ratings?
NHTSA has not published crash test ratings for the 2000-2005 Buick Park Avenue. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.
Data from NHTSA federal complaints database. 230 complaints analyzed. Data confidence: high. Last updated: 2026-05-23.