Buick Lacrosse Engine Problems

Source: NHTSA · Updated Oct 10, 2026 · 215 complaints analyzed

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).

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.

Under 10k miles15 · 8%
10k–25k miles14 · 8%
25k–50k miles31 · 18%
50k–75k miles54 · 31%
75k–100k miles31 · 18%
100k–150k miles26 · 15%
150k+ miles6 · 3%

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

Peak: 2012, with 46 complaints
2005: 6200562006: 882007: 9200792008: 17172009: 5200952010: 44442011: 302011302012: 46462013: 302013302014: 442015: 1201512016: 332017: 5201752018: 442019: 320193

n = 215 complaints · Source: NHTSA

Model yearEngine complaintsShare of that yearMedian miles
2019 Lacrosse343%28,100
2018 Lacrosse433%13,400
2017 Lacrosse514%6,600
2016 Lacrosse36%68,000
2015 Lacrosse12%76,000
2014 Lacrosse46%45,500
2013 Lacrosse3023%65,500
2012 Lacrosse4622%52,947
2011 Lacrosse3018%61,528
2010 Lacrosse4423%67,000
2009 Lacrosse55%92,648
2008 Lacrosse177%60,500
2007 Lacrosse94%77,913
2006 Lacrosse83%120,223
2005 Lacrosse62%107,159

When owners reported it

Peak: 2014, with 39 complaints
2012: 8201282013: 662014: 392014392015: 21212016: 202016202017: 23232018: 202018202019: 24242020: 9202092021: 18182022: 7202272023: 442024: 6202462025: 882026: 220262

n = 215 complaints · Source: NHTSA

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…

Received Jul 10, 2026 · NHTSA complaint 11749557

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…

Received Apr 14, 2026 · NHTSA complaint 11731073

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…

Received Dec 19, 2025 · NHTSA complaint 11706046

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..

Received Oct 23, 2025 · NHTSA complaint 11695165

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…

Received Sep 22, 2025 · NHTSA complaint 11688843
Buick Lacrosse
BUICK LACROSSE FOURTH GENERATION China. Representative photo; appearance varies by model year. Photo: Dinkun Chen, CC BY-SA 4.0, via Wikimedia Commons.

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

See all Buick Lacrosse problems.