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Reliability Database
Oldsmobile

Alero

Midsize Sedan
Best Engine ✅ Recommended (3.7)
5 Generations
29 Engines Rated
1,503 Total Complaints
Engine Ratings
12 recommended 8 caution 9 avoid

Generation Timeline

2000 2000
9 engines
560 complaints 🔥 8
3.4L 6-cyl ⚠️ Caution (2.8)
→
2001 2001
7 engines
369 complaints 🔥 5 ☠ 1
3.4L 6-cyl ⚠️ Caution (2.7)
→
2002 2002
5 engines
280 complaints 🔥 8
3.4L 6-cyl ✅ Recommended (3.7)
→
2003 2003
4 engines
186 complaints 🔥 1 ☠ 1
Unknown ⚠️ Caution (3.2)
→
2004 2004
4 engines
108 complaints 🔥 2
2.2L 4-cyl ⚠️ Caution (3.1)
→
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