Comparing the Audi A8L with other luxury cars like the XKL Supercharged, 750Li and Equus Signature, what do you find? They all share an extra-long wheelbase suitable for charioting even the biggest stars and starlettes to and fro red carpet event and charity galas. Therefore, the question is how the luxury vehicles compete in terms of performance. Audi Southampton is happy to say that the critics at Car and Driver and Road & Track set out?