AT 25 - 30 MPH AND AT 45 - 50 MPH THE CAR SHAKES VIOLENTLY. I TOOK IT TO THE DEALERSHIP FOR A DIAGNOSTIC. THEY SAID THEY KNEW EXACTLY WHAT IT WAS. I NEED A NEW LOWER AND UPPER TRANSMISSION. THAT IS THE RECOMMENDED FIX. THAT IS SOMETHING THAT HAPPENS TO CHEVY TRANSMISSIONS AND THE COST IS $5400. IT SEEMS TO ME THAT IF THIS IS SOMETHING THAT GOES WRONG ALL THE TIME, THAT'S A PROBLEM THAT I D…
2016 buick LaCrosse 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 3 most recent
WHILE DRIVING AT HIGHWAY SPEEDS (65+ MPH) THE INFORMATION CENTER WILL DISPLAY 'REDUCED ENGINE POWER' AND CAR WILL DOWN SHIFT AND ONLY REACH 45 MPH. CAUSING CLOSE TO REAR-END CRASH. YOU HAVE TO LEAVE THE HIGHWAY TRAFFIC IMMEDIATELY AND TURN OFF ENGINE. RE-START ENGINE AND CONTINUE DRIVING. IT HAS HAPPENED TWICE NOW. SEEMS LIKE A SOFTWARE PROBLEM. *TR
The contact owns a 2016 Buick Lacrosse. The contact stated that when she started her vehicle, the automatic collision unavailable, and oil leak warning message illuminated. The contact stated the warning lights were then unilluminated. The contact stated that the following day while the vehicle was parked and turned on, the power steering warning light illuminated and the steering wheel seized. Th…
Common questions
How serious is the powertrain problem on the 2016 buick LaCrosse?
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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