Beyond the turbos, these are complex flagships: air suspension is an expensive eventual repair, suspension bushings/ball joints wear (around 50k, costly in OEM parts), DI carbon buildup needs cleaning, and the aluminum space frame demands proper accident repair. Owners say the cars are rock-solid apart from this expected wear — but you must budget for it.
Air suspension, bushings, carbon — buy eyes open
Audi S8 (D4) · mechanical