Taking over the stern from the A4, the Audi A5 replaced its earlier counterpart as Audi's flagship and, in the process, reinvented the executive coupe. A redesigned engine cavity led to more balanced weight distribution and a smoother ride in the A5 than in any previous Audi. It's probably impossible to be more comfortable behind the wheel than you are while driving your Audi A5, but don't get lazy with the details. Use the list below to find custom-fit parts and accessories for your luxurious driving machine. Insist on custom, because upgrading a vehicle the caliber of an Audi A5 requires a certain amount of concentrated effort. We are here to help.