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Reliability Database
Buick

LaCrosse

Full-Size Sedan
Best Engine ✅ Recommended (3.6)
2 Generations
15 Engines Rated
2,083 Total Complaints
Engine Ratings
8 recommended 2 caution 5 avoid

Generation Timeline

2005-2009 1st
5 engines
1,207 complaints 🔥 40
3.6L 6-cyl ⚠️ Caution (2.0)
→
2010-2019 2nd
10 engines
876 complaints 🔥 19 ☠ 1
Unknown ✅ Recommended (3.6)
→
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