TOOK VEHICLE WITH 55,100 MILES TO THE AUTHORIZED GM DEALER AFTER SHUTTERING AND BARELY BEGINNING TO MOVE WHILE DRIVING IN TRAFFIC. THE AUTHORIZED GM DEALER STATED "INSPECTED, NO CODES IN SYSTEM, ERRATIC SHIFT POINTS, DELAY SHIFT THRU 1ST AND 2ND GEAR, NO 3RD GEAR, GOES TO 4TH GEAR. RECOMMENDS SRTA TRANS (3YR/100,000 WARRANTY) $3782.64." *TR
2005 Buick LeSabre powertrain problems
moderate 8 complaints filed with NHTSA · avg repair $2,500
What owners are reporting 2 most recent
Fuel gauge false reading. Hard shift's
Common questions
How serious is the powertrain problem on the 2005 Buick LeSabre?
It's a documented issue but not catastrophic. 8 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.