2006 Buick Terraza: common problems
Owners of the 2006 Buick Terraza filed 54 complaints with NHTSA, most often about service brakes and electronic stability control. Details by component below, with sources.
Key figures
- Owner complaints
- 54
- involving a crash
- 4
What fails most often
- 1 Service brakes 26% of all complaints
- 2 Electronic stability control 22% of all complaints
- 3 Electrical system 20% of all complaints
- 4 Structure 20% of all complaints
- 5 Suspension 15% of all complaints
- 6 Latches, locks, linkages 11% of all complaints
- 7 Steering 11% of all complaints
- 8 Equipment 6% of all complaints
- Service brakes: 14 complaints (26% of all).
- Electronic stability control: 12 complaints (22% of all).
- Electrical system: 11 complaints (20% of all).
- Structure: 11 complaints (20% of all).
- Suspension: 8 complaints (15% of all), 1 of them with a crash reported by the owner.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 3.5 L · petrol · 6 cyl
- 3.9 L · petrol · 6 cyl
- automatic, 4-speed
Drive: FWD, AWD
Symptoms owners describe
How many of the 54 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 14 | 0 | 0 |
| Electronic stability control | 12 | 0 | 0 |
| Electrical system | 11 | 0 | 0 |
| Structure | 11 | 0 | 0 |
| Suspension | 8 | 1 | 0 |
| Latches, locks, linkages | 6 | 0 | 0 |
| Steering | 6 | 2 | 0 |
| Equipment | 3 | 0 | 0 |
| Powertrain | 3 | 0 | 0 |
| Vehicle speed control | 3 | 0 | 0 |
| Air bags | 2 | 2 | 0 |
| Engine | 2 | 0 | 0 |
| Engine and cooling | 2 | 0 | 0 |
| Child seat | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The vehicle was not repaired or inspected for the cause of the steering failure. The approximate failure mileage was 40,000.
On 10/14/12, I pulled into a residential drive way to turn my vehicle. I was then hit on the passenger side(t-boned) which impacted the middle of my vehicle. However since the force was so hard to entire right side of my vehicle was damaged.
The vehicle then rolled down into a ditch and landed on its side. No air bags deployed. A police report was filed. Both the driver and passenger sustained minor injuries. The vehicle was towed to an independent garage and was awaiting investigation. The vehicle had not been repaired. The failure mileage was 87,560.
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.
The contact also stated that the electronic stability control and the traction control warning lights had illuminated while driving. Additionally, the contact stated that the rear driver's side door handle was fractured.
While driving various speeds, the vehicle stalled without warning on more than one occasion. In addition, the traction control, esc, abs, and anti-theft indicators illuminated randomly. A dealer was not made aware of the failures.
While driving at unknown speeds, an abnormal clunking sound emitted from under the vehicle. The vehicle was not taken to the dealer. The manufacturer was made aware of the failure and verified that the vehicle was not included in nhtsa campaign number: 10v110000 (suspension). The vehicle was not repaired.
While driving approximately 35 mph, the vehicle jerked and decelerated. The check engine, abs, and stabilitrak warning indicators illuminated. The contact also stated that the vehicle started veering to the side. The contact pulled the vehicle over and turned off the engine.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 5,128 of 36,656 model years in the NHTSA data (top 14% most complained about).
On average one model year of the Terraza has 69 complaints (3 years in the data). This year has 54, below average.
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Electronic stability control. ABS/ESC sensors, steering angle, codes after suspension repair.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Other years of this model
Questions and answers
What are the most common problems with the 2006 Buick Terraza?
Owner complaints to NHTSA most often mention: service brakes, electronic stability control, electrical system. Total complaints: 54. The most frequent symptoms in complaint texts: warning lights, check engine (11%), door locks, latches, handles (7%), knocking, grinding or other noise (6%).
How many service bulletins (TSB) were issued for the 2006 Buick Terraza?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2006 Buick Terraza from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2006 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.