This specific 2015 XC90 T6, a sought-after option among used cars, has been verified as non-major accident, non-fire, and non-flood damaged, and boasts a well-documented maintenance history with 4S shop servicing, ensuring solid basic reliability. For used XC90 T6 models in general, potential common problems include electronic system glitches (such as dashboard unresponsiveness or air suspension malfunctions), occasional excessive oil consumption, and minor faults in the air conditioning system—issues that are important to check when purchasing from a used car dealer. However, this vehicle has passed comprehensive third-party inspections with only minor cosmetic paint touch-ups, and no leaks or mechanical failures in the engine and transmission. Regular maintenance, which helps manage long-term maintenance cost, like replacing aging seals and checking electronic components can further ensure it remains a reliable used car for years to come.