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Reliability Database
Buick

Rainier

Midsize SUV
Best Engine ✅ Recommended (3.5)
1 Generations
4 Engines Rated
389 Total Complaints
Engine Ratings
1 recommended 2 caution 1 avoid

Generation Timeline

2004-2007 1st
4 engines
389 complaints 🔥 14
5.3L 8-cyl ✅ Recommended (3.5)
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This model has one generation in our database. View full engine reliability data →

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