Best Year to Buy a Cadillac Ct4
Reliability rankings across 6 model years, based on NHTSA owner complaints
Based on 6 model years of NHTSA complaint data, the 2025 Cadillac Ct4 is the most reliable year to buy with a Klunk Score of 100/100 ("Smooth Ride") and only 2 owner complaints. The 2024 model year is the least reliable with 7 complaints and a score of 99/100 ("Smooth Ride").