THE WEEKLY DRIVER

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Reliability Database
Buick

LaCrosse

Full-Size Sedan
Best Engine ✅ Recommended (3.8)
2 Generations
22 Engines Rated
2,380 Total Complaints
Engine Ratings
15 recommended 3 caution 4 avoid

Generation Timeline

2005-2009 1st
12 engines
1,217 complaints 🔥 40
3.6L 6-cyl ⚠️ Caution (2.0)
→
2010-2019 2nd
10 engines
1,163 complaints 🔥 26 ☠ 2
2.5L 4-cyl ✅ Recommended (3.8)
→
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