Reduced engine power-while driving 30mph the vehicle will randomly reduce engine power and caused the vehicle to stall. I had to pull over and restart my vehicle 2 twice to make it home safely. Gm has a service bulletin out to repair 2010-2011 buck lacrosse only manufactured at specific plants. Gm dealer states I have same defective throttle that was manufactured in 2010-2011 lacrosse and causes…
2010 Buick LaCrosse engine problems
severe 20 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
20
Recalls
0
Avg fix
$3,100
2fires
When does it fail?
Of the 20 engine complaints filed for the 2010 Buick LaCrosse, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Among the 9 model years of Buick LaCrosse in our records for engine problems, this one ranks #3 by owner-complaint volume.
No new NHTSA engine complaint has been filed on this vehicle in over 9 years — the issue may be aging out of the active population.
What owners are reporting 2 most recent
Tl*the contact owns a 2010 Buick lacrosse. While the vehicle was parked, it suddenly caught fire. The fire department extinguished the fire; a report was filed. The vehicle was destroyed. The origin of the fire was unknown. The manufacturer sent a representative who inspected the vehicle but could not find the acuse. The failure mileage was 7,800. Updated 3/7/11 *cn updated 04/25/11
Had engine trouble with your 2010 Buick LaCrosse?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2010 Buick LaCrosse?
It's a meaningful issue. 20 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Across the 16 complaints that reported odometer mileage, most engine failures cluster between 20,000 and 78,263 miles, with the median around 48,533. A quarter of owners report trouble before 20,000; a quarter make it past 78,263. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine 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 engine?
No active recalls currently cover engine 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2010/Buick/LaCrosse.
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. Some links on this page are affiliate links.