1st Generation (2004—2007) Rainier Problems

This generations ranks 11th out of 21 Buick generations in reliability and is generally a good bet. Owners have the most complaints about the suspension (20%), interior (17%), and the electrical (17%). We've listed some of the most recent complaints below, see them all on CarComplaints.com.

  1. Transfer Case Locked Up 1 complaints at an average of 115,000 miles in the 2005 Buick Rainier.
  2. AC System Stopped Working 3 complaints at an average of 114,000 miles in the 2004 Buick Rainier.
  3. New Engine Won\'t Turn Over 1 complaints at an average of 5,000 miles in the 2007 Buick Rainier.

What Rainier Year is Most Reliable?

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 Recalls TSBs PainRank (?)
2007 1 5 574 0.94
2006 4 7 533 0.6
2005 10 1 477 3.21
2004 25 2 503 6.42

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