Best Year to Buy a Cadillac Xt6
Reliability rankings across 6 model years, based on NHTSA owner complaints
Based on 6 model years of NHTSA complaint data, the 2025 Cadillac Xt6 is the most reliable year to buy with a Klunk Score of 98/100 ("Smooth Ride") and only 8 owner complaints. The 2020 model year is the least reliable with 36 complaints and a score of 91/100 ("Smooth Ride").