Audi also makes a performance model of the 2009 A8 available called the S8. The 2009 Audi S8 is provided with a 5.2 liter V8 the puts up some incredible numbers: 450 horsepower and 398 lb-ft of torque. The same transmission and Quattro system employed by the A8 is also found underpinning the S8’s drivetrain, and fuel economy matches that of the A8L.
