2005 Buick Terraza problems & reliability
120 owner complaints filed with NHTSA for the 2005 Buick Terraza, alongside 2 safety recall campaigns. 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.
4 complaints report injuries (4 injured).
Federal crash records (FARS 2020–2023): 2005 Buick Terraza vehicles were involved in 6 fatal crashes with 7 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 |
|---|---|---|
| Electrical System | 37 | 31% |
| Electronic Stability Control (esc) | 22 | 18% |
| Latches/locks/linkages | 16 | 13% |
| Steering | 14 | 12% |
| Structure | 12 | 10% |
| Suspension | 12 | 10% |
| Service Brakes | 11 | 9% |
| Traction Control System | 9 | 8% |
| Service Brakes, Hydraulic | 8 | 7% |
| Electronic Stability Control | 7 | 6% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 50,000 miles (middle 50% between 19,864 and 83,500 miles), based on 94 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2005 Buick Terraza. The contact stated that while driving at an undisclosed speed, the vehicle crashed into a deer. The steering wheel air bag deployed and ripped into pieces. There were sparks and smoke coming from the air bag. The contact did not sustain an injury, and medical attention was not…”
Air Bags · filed Jan 3, 2023
“The contact owns a 2005 Buick Terraza. The contact stated while driving 20 MPH, while making a left turn, the vehicle loss motive power and jerked before stalling. The electronic stability warning light illuminated. The vehicle was restarted and operated as designed. The contact stated that the failure was…”
Power Train · filed Dec 8, 2021
“Hello, I have a 2005 buick terraza cx awd. My abs and traction control lights came on and when it did the vehicle started to apply the brakes itself pulling the vehicle to the left while driving. I couldn't control the vehicle. I started reading up on this, and it appears many other owners of this vehicle been having…”
Electronic Stability Control (esc) · filed May 21, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- POWER SLIDING DOOR
Engineering Analysis EA07019 · opened Dec 11, 2007 · closed Feb 23, 2009
- POWER SLIDING DOOR OPENING
Preliminary Evaluation PE07044 · opened Aug 16, 2007 · closed Dec 11, 2007
- ELECTRICAL HARNESS DAMAGE
Preliminary Evaluation PE05063 · opened Nov 29, 2005 · closed Mar 6, 2006
Technical service bulletins
561 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2005 Buick Terraza. The 10 most recent:
This PI directs technician to training regarding sliding door operation.
PIT3532C · Service Bulletin/Repair Instructions · issued Jan 30, 2026
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 the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This preliminary information discusses a possible moan noise from the rear axle , engineering is reviewing the concern.
PIP6057 · Service Bulletin/Repair Instructions · issued Apr 12, 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 communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe…
PIT5074Q · Service Bulletin/Repair Instructions · issued Dec 7, 2024
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
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 2005 Buick Terraza has 2 NHTSA recall campaigns — 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 2005 Buick Terraza?
- · 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 50,000 miles — budget accordingly if the car is approaching that mileage.