Buick Lacrosse Engine Problems
Owners have filed 215 complaints with NHTSA about engine problems on the Buick Lacrosse across 15 model years. The 2012 model year has the most (46). The words owners use most often: “engine power” (9% of reports).
- 215engine complaints
- —median miles at failure
- 4mention a crash
- 2mention an injury
- 0related recalls
- 45%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Engine power: mentioned in 19 of 215 complaints (9%)
- Stalled without: mentioned in 14 of 215 complaints (7%)
At what mileage do engine problems happen?
Based on 177 complaints that reported the odometer reading.
How serious are the reports?
Of 215 complaints, 4 mention a crash, 9 a fire, 2 an injury.
Buick Lacrosse engine complaints by model year
| Model year | Engine complaints | Share of that year | Median miles |
|---|---|---|---|
| 2019 Lacrosse | 3 | 43% | 28,100 |
| 2018 Lacrosse | 4 | 33% | 13,400 |
| 2017 Lacrosse | 5 | 14% | 6,600 |
| 2016 Lacrosse | 3 | 6% | 68,000 |
| 2015 Lacrosse | 1 | 2% | 76,000 |
| 2014 Lacrosse | 4 | 6% | 45,500 |
| 2013 Lacrosse | 30 | 23% | 65,500 |
| 2012 Lacrosse | 46 | 22% | 52,947 |
| 2011 Lacrosse | 30 | 18% | 61,528 |
| 2010 Lacrosse | 44 | 23% | 67,000 |
| 2009 Lacrosse | 5 | 5% | 92,648 |
| 2008 Lacrosse | 17 | 7% | 60,500 |
| 2007 Lacrosse | 9 | 4% | 77,913 |
| 2006 Lacrosse | 8 | 3% | 120,223 |
| 2005 Lacrosse | 6 | 2% | 107,159 |
When owners reported it
Related recalls (0)
No safety recall lists engine for the Buick Lacrosse. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
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…
I am reporting a serious safety defect involving a 2011 Buick LaCrosse CXL. The vehicle has repeatedly shut off while being driven, creating a dangerous situation. The issue first occurred in January 2026. The vehicle was later towed for repair in February 2026, and I was told the issue had been…
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 shouldâve 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…
Car refuses to relearn the app sensor. Throttle body and sensor is good, always changed the EVAP Purge valve. Still throwing codes and reduce engine speed stays on..
The contact owns a 2018 Buick LaCrosse. The contact stated the hand controls were not working properly. While driving, the accelerator pedal was depressed, but the vehicle failed to respond. The engine power reduced message was displayed, and the check engine warning light was illuminated. After…

Frequently asked questions
Do all Buick Lacrosses have engine problems?
No. NHTSA has 215 owner complaints about engine for the Buick Lacrosse. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Buick Lacrosse engine?
No recall currently lists engine for this vehicle.
What do owners say about engine problems on the Buick Lacrosse?
The most frequent phrase is “engine power”, in 19 of 215 complaints, followed by “stalled without” (14).
Other Buick Lacrosse problems
- Electrical System problems (590)
- Exterior Lighting problems (493)
- Air Bags problems (253)
- Steering problems (228)
- Suspension problems (143)
- Power Train problems (140)
- Service Brakes problems (107)
See all Buick Lacrosse problems.