Overall, the 2020 Cadillac XT5 is a reliable choice among used cars. However, some common problems reported by owners include interior odor in early production vehicles, occasional SD card recognition errors in the streaming rearview mirror, and compatibility issues with CarLife AR navigation. When purchasing this used model from a used car dealer, it is recommended to verify the functionality of electronic systems, check for any abnormal engine or transmission noises, and confirm that the vehicle has passed a comprehensive inspection (this specific car has undergone a 335-point quality check). Regular maintenance costs are moderate for its class, with readily available used car parts making upkeep easier.