2006 Buick Terraza problems & reliability
54 owner complaints filed with NHTSA for the 2006 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.
5 complaints report injuries (7 injured).
Federal crash records (FARS 2020–2023): 2006 Buick Terraza vehicles were involved in 3 fatal crashes with 3 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 → | 11 | 20% |
| Electronic Stability Control (esc) → | 11 | 20% |
| Structure → | 11 | 20% |
| Service Brakes, Hydraulic | 8 | 15% |
| Suspension | 8 | 15% |
| Latches/locks/linkages | 6 | 11% |
| Service Brakes | 6 | 11% |
| Steering | 6 | 11% |
| Equipment | 3 | 6% |
| Power Train | 3 | 6% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 24 reported components →Mileage when problems occurred
Among the 47 complaints that included a usable odometer reading, the median reported incident mileage was 42,498 miles (middle 50% between 13,950 and 82,035 miles).
Complaints by incident year
What owners report
“This vehicle has significant rust damage on the frame located on the driver's side of the vehicle the rust has gone through the frame causing it to be unsafe.”
Structure · filed Apr 29, 2025
“The contact owns a 2006 Buick Terraza. The contact stated that the antitheft alarm engaged inadvertently, causing the vehicle to shutoff while driving. The START/STOP Disabled message was displayed. The vehicle was taken to the dealer where it was diagnosed that a steering wiring cable might be detached. The vehicle…”
Electrical System · filed May 6, 2022
“Rear suspension Reported March 19 2020. Campaign # 1ov110000 It sounds terrifying. Like the whole back of the. Back ankle will fall off going down the road. And then. If you have to back up. It sounds worse”
Suspension · filed Aug 8, 2021
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
Technical service bulletins
698 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2006 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 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
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 2006 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 2006 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.
- · Among complaints with usable mileage, the median reported incident mileage was 42,498 miles. This does not predict when a particular vehicle will develop a problem.