Best Year to Buy a Pontiac Grand prix
Reliability rankings across 9 model years, based on NHTSA owner complaints
Based on 9 model years of NHTSA complaint data, the 2003 Pontiac Grand prix is the most reliable year to buy with a Klunk Score of 70/100 ("Solid Pick") and only 119 owner complaints. The 2000 model year is the least reliable with 463 complaints and a score of 29/100 ("Check Engine").