The Audi A8 L delivers what you'd expect from a flagship luxury limousine, with impeccable refinement, loads of creature comforts, the finest materials and trims and a cushy, air-suspended ride that isolates you from the world outside. Performance is not exciting, but is suitably brisk for a car of this type. The rear seat might not have that last degree of plushness an S class does, but the Audi more than makes up for it with technology, both for passengers to use, and which works silently behind the scenes to improve the luxury experience.