Best Year to Buy a Gmc Sierra
Reliability rankings across 9 model years, based on NHTSA owner complaints
Based on 9 model years of NHTSA complaint data, the 2006 Gmc Sierra is the most reliable year to buy with a Klunk Score of 45/100 ("Proceed with Caution") and only 279 owner complaints. The 2000 model year is the least reliable with 725 complaints and a score of 13/100 ("Total Klunk").