Best Year to Buy a Cadillac Ct6
Reliability rankings across 5 model years, based on NHTSA owner complaints
Based on 5 model years of NHTSA complaint data, the 2020 Cadillac Ct6 is the most reliable year to buy with a Klunk Score of 98/100 ("Smooth Ride") and only 11 owner complaints. The 2017 model year is the least reliable with 26 complaints and a score of 94/100 ("Smooth Ride").