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 intermittent. The contact took the vehicle to an independent mechanic to be diagnosed. The c…
2005 Buick Terraza powertrain problems
moderate 6 complaints filed with NHTSA · avg repair $2,500
Complaints
6
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 2 most recent
DT: THE CONTACT TRIED TO USING THE HORN BUT MOST OF THE TIME COULD NOT GET IT TO BLOW. EVEN WHEN PRESSING HARD ON THE HORN IT WOULD NOT WORK. ONE MUST HIT IT CORRECTLY IN ORDER TO GET IT TO WORK PROPERLY. HE HAS TAKEN THE VEHICLE TO THE DEALER, WHO AGREED IT TOOK A LOT OF FORCE FOR THE HORN TO WORK. THE DEALER HAD A REPRESENTATIVE LOOK AT THE HORN. THE REPRESENTATIVE WAS DOUBTFUL THAT G…
Common questions
How serious is the powertrain problem on the 2005 Buick Terraza?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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