Buick LaCrosse: which model years draw the most owner complaints?
2,125 complaints filed with NHTSA about the Buick LaCrosse, model years 2005 to 2019. 2 model years stand out for the engine or transmission: 2012 (engine 5.1×); 2010 (engine 4.9×). Quietest mature years by complaint count: 2017, 2015, 2016. Counts of unverified owner reports, compared only with other years of the same model; not failure rates.
Complaints by model year
| MODEL YEAR | COMPLAINTS | VS OTHER YEARS | STANDS OUT | RECALLS |
|---|---|---|---|---|
| 2005 LaCrosse | 315 | — | 5 | |
| 2006 LaCrosse | 300 | — | 4 | |
| 2007 LaCrosse | 250 | — | 4 | |
| 2008 LaCrosse | 251 | — | 2 | |
| 2009 LaCrosseFEW REPORTS | 106 | quiet: 5 of 13 | 2 | |
| 2010 LaCrosse | 189 | engine 4.9× | 2 | |
| 2011 LaCrosse | 169 | — | 4 | |
| 2012 LaCrosse | 205 | engine 5.1× | 5 | |
| 2013 LaCrosseFEW REPORTS | 130 | — | 5 | |
| 2014 LaCrosseFEW REPORTS | 63 | quiet: 4 of 13 | 5 | |
| 2015 LaCrosseFEW REPORTS | 44 | quiet: 2 of 13 | 3 | |
| 2016 LaCrosseFEW REPORTS | 48 | quiet: 3 of 13 | 2 | |
| 2017 LaCrosseFEW REPORTS | 36 | quiet: 1 of 13 | 2 | |
| 2018 LaCrosseFEW REPORTS | 12 | — | 3 | |
| 2019 LaCrosseFEW REPORTS | 7 | — | 2 |
"Stands out" = 40 or more complaints naming that system and at least twice the model's quiet (lower-quartile) year, or twice the share seen across every vehicle of that model year. Newer years have had less time on the road. "Quiet" ranks only years with 7+ years on the road and 20+ complaints. NHTSA data through November 2026.
Check your LaCrosse at your mileage
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Other Buick models
Buick Century · Buick Enclave · Buick Encore · Buick Encore GX · Buick Envision · Buick LeSabre · Buick Lucerne · Buick Park Avenue · Buick Rainier · Buick Regal · Buick Rendezvous · Buick Terraza · Buick Verano. All makes and models.
Source: NHTSA public complaints, recalls, service bulletin and investigation databases, data received through November 2026. Complaints are unverified reports from owners, not failure rates: sales volumes are unknown, so a model year is only compared with other years of the same model. Not a diagnosis and not financial advice. PulsCar is not affiliated with NHTSA. Year pages: 2005200620072008201020112012