1st Gen (2004 – 2007) Buick Rainier Problems

The 1st generation of the Rainier has a cumulative PainRank™ of 2.8. That can be compared against other Buick generations. Shopping for a Buick? So far, so good. But there are some warning signs to watch for.

Owners of the 2004–2007 Rainier model years have sent in 40 complaints on CarComplaints.com. We've listed the three most common below. Most are about the suspension (20%) followed by the interior (17%) and the electrical (17%).

Comparing Years in This Generation

Generations are a good baseline for prediciting reliability, but there will almost always be year-to-year differences. We've calculated a reliability score for each model year within this generation, but we've based that score on how the model year compares to all Buick model years.

Watch out for the 2004 model year which has the highest PainRank™ score in this generation.

Year Complaints Reliability PainRank (?)
2007 1
0.94
2006 4
0.61
2005 10
3.22
2004 25
6.44

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