Fuel economy:17 cty/27 hwy
What's New for 2015 The 2015 Audi S8 receives only minor feature adjustments, highlighted by a standard head-up display and a new sport exhaust system.
Fuel economy:16 cty/25 hwy
What's New for 2016 The 2016 S8 gets a new S8 Plus variant with an even wilder 605-horsepower engine and a retuned air suspension with sportier driving calibrations. Note that Audi phased out the regular S8 when the S8 Plus was introduced, so later-production 2016 models are solely of the Plus configuration.
Fuel economy:15 cty/24 hwy