2014 S8
Strong yet fuel-efficient powertrains; excellent all-wheel drive system; roomy, luxurious interiors; top-notch navigation displays and connectivity; available Bang & Olufsen sound; optional diesel powertrain
For 2014, the biggest Audi gets a new 3.0L turbo-diesel V6. It makes 240 horsepower and helps the A8 long-wheelbase model achieve an impressive 28 combined mpg.
Several new features are now standard, including keyless entry and ignition as well as power-assist trunk opener/closer.