It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, and aren’t overpaying for those you don’t want.

The A8 is Audi’s largest, most luxurious and most expensive sedan. Sitting above the mid ... For added performance, the S8 comes with a 563-hp, twin-turbo 4.0-liter V-8 that Audi says takes ...