2003 Buick Park Avenue problems & reliability
33 owner complaints filed with NHTSA for the 2003 Buick Park Avenue, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Federal crash records (FARS 2020–2023): 2003 Buick Park Avenue vehicles were involved in 15 fatal crashes with 13 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine and Engine Cooling | 7 | 21% |
| Electrical System | 5 | 15% |
| Tires | 5 | 15% |
| Engine | 4 | 12% |
| Suspension | 2 | 6% |
| Electronic Stability Control | 1 | 3% |
| Electronic Stability Control (esc) | 1 | 3% |
| Fuel System, Gasoline | 1 | 3% |
| Latches/locks/linkages | 1 | 3% |
| Power Train | 1 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 53,000 miles (middle 50% between 35,331 and 80,000 miles), based on 21 complaints that included mileage.
Complaints by incident year
What owners report
“New tires installed on vehicle 12/10/24. Passenger rear tire blew out at 65mph on interstate on 12/16/24. Car was able to be controlled, some damage to vehicle. Could have resulted in severe injury and/or death.”
Tires · filed Dec 18, 2024
“Tl* the contact owns a 2003 buick park avenue. While driving at any speed the check engine indicator illuminated. The contact pulled the vehicle over and noticed oil dripping down on the spark plugs. The vehicle was taken to a mechanic who diagnosed that the intake manifold gasket was leaking. The vehicle was…”
Engine · filed Oct 26, 2016
“Tl* the contact owns a 2003 buick park avenue. While driving 25 mph, the transmission slipped and caused the vehicle to malfunction. The vehicle was repaired. The manufacturer was not made aware of the issue. The failure mileage was approximately 84,000.”
Power Train · filed Oct 12, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
411 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2003 Buick Park Avenue. The 10 most recent:
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIP5601C · Service Bulletin/Repair Instructions · issued Jul 18, 2025
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or…
PIP5358D · Service Bulletin/Repair Instructions · issued Feb 20, 2025
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician…
PIT5099H · Service Bulletin/Repair Instructions · issued Sep 12, 2024
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician…
PIT5099H · Service Bulletin/Repair Instructions · issued Sep 12, 2024
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized…
PIT3271P · Service Bulletin/Repair Instructions · issued Sep 6, 2024
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This…
24-NA-141 · Service Bulletin/Repair Instructions · issued Jul 24, 2024
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how…
16-NA-383 · Service Bulletin/Repair Instructions · issued Jun 28, 2024
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
18-NA-099 · Service Bulletin/Repair Instructions · issued Jun 17, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2003 Buick Park Avenue has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2003 Buick Park Avenue?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 53,000 miles — budget accordingly if the car is approaching that mileage.