2012 Buick Lacrosse engine problems
46 owner complaints filed with NHTSA name the engine on the 2012 Buick Lacrosse — 22% of all complaints for this model year.
What owners report
“2012 Buick LaCrosse V6 (Fairfax Plant). The vehicle suffered a sudden, complete loss of engine power and forward propulsion while traveling at highway speed, cutting off mid-drive with no warning. This occurred alongside a persistent StabiliTrak malfunction; the dash showed repeated "Service…”
filed Jul 10, 2026
“All the specific details are unknown, but I had a mechanic work on my car and the problem that he had to fix. He stated that it should’ve been detected, but it was something wrong with my car, letting me know that I had the problem and also I have to keep replacing my camshaft timing Solenoid my…”
filed Dec 19, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Lacrosse years
| Year | Reports | Share |
|---|---|---|
| 2017 Lacrosse | 5 | 15% |
| 2016 Lacrosse | 3 | 7% |
| 2015 Lacrosse | 1 | 2% |
| 2014 Lacrosse | 4 | 6% |
| 2013 Lacrosse | 30 | 23% |
| 2011 Lacrosse | 30 | 18% |
| 2010 Lacrosse | 44 | 23% |
| 2009 Lacrosse | 5 | 5% |
| 2008 Lacrosse | 17 | 7% |
| 2007 Lacrosse | 9 | 4% |
| 2006 Lacrosse | 8 | 3% |
| 2005 Lacrosse | 6 | 2% |
Other reported problem areas on the 2012 Buick Lacrosse
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.