Park Avenue (2nd)
Reliability Score
Complaints by Engine Code
L36
3.8L 6-cylView details
Complaint Breakdown
L67
3.8L 6-cylView details
Complaint Breakdown
Buick Park Avenue Unidentified Engine
View details
Complaint Breakdown
Show 1 additional engine variant with limited data
LZ9
3.9L 6-cylView details
Complaint Breakdown
Owner Complaints by System
Complaints owners filed with NHTSA about the Buick Park Avenue, counted across every engine. A complaint can name more than one system.
What to check on a used 2000-2005 Buick Park Avenue
On a used 2000-2005 Buick Park Avenue, the systems with the most NHTSA owner complaints are the engine (51), the electrical system (42) and the cooling system (31). Each one has an inspection step below, with counts as of 2026-10-12. A complaint is an owner report, not a confirmed defect, and counts rise with sales.
- Start the engine cold and listen for the first 30 seconds, then again at idle once it is warm.Costly repair. NHTSA has 51 owner complaints on the 2000-2005 Buick Park Avenue about the engine, all engines combined.
- Switch on every electrical item in turn: lights, windows, locks, wipers, climate fan, screen and power outlets.Costly repair. NHTSA has 42 owner complaints on the 2000-2005 Buick Park Avenue about the electrical system.
- With the engine cold, check the coolant level and color, then watch the temperature gauge on the drive.Costly repair. NHTSA has 31 owner complaints on the 2000-2005 Buick Park Avenue about the cooling system, all engines combined.
- Measure the tread on all four tires, read the date codes and look at each wheel.Safety. NHTSA has 22 owner complaints on the 2000-2005 Buick Park Avenue about the wheels and tires.
- Turn the wheel from lock to lock while parked, then drive straight on a level road with a light grip.Safety. NHTSA has 19 owner complaints on the 2000-2005 Buick Park Avenue about the steering.
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 complaints?
Owners have filed 223 complaints with NHTSA about the 2000-2005 Buick Park Avenue. The systems they name most often are the engine, the electrical system and the cooling system.
Is the 2000-2005 Buick Park Avenue a good used car?
That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 223 complaints with NHTSA about the 2000-2005 Buick Park Avenue. Check which systems they name most often and whether a recall is still open on that car.
How many NHTSA complaints does the 2000-2005 Buick Park Avenue have?
NHTSA has 223 owner complaints on file for the 2000-2005 Buick Park Avenue as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.
What recalls affect the 2000-2005 Buick Park Avenue?
NHTSA lists 4 recalls covering some 2000-2005 Buick Park Avenue vehicles. Which ones apply depends on the VIN: enter it at nhtsa.gov/recalls to see the open campaigns on a specific car.
What should I check before buying a used Buick Park Avenue?
Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the engine, the electrical system and the cooling system, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and 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. 223 complaints analyzed. Data confidence: high. Last updated: 2026-10-12.