17. Audi A8 D2
The Audi A8 D2 debuted with a groundbreaking all-aluminum body, making it both light and remarkably durable for its era.
This innovation set new standards in luxury and performance but introduced a level of complexity few were prepared for.
As MotorTrend explains, high repair costs and specialized maintenance frustrated owners and Audi alike, turning the D2’s durability into a mixed blessing for the brand.