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Reliability Database
Most Reliable
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Buick
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LaCrosse
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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