turbocharged 3.0-liter V-6 engine coupled with an eight-speed automatic transmission; Audi’s Quattro all-wheel drive is standard. For added performance, the S8 comes with a 563-hp, twin-turbo 4. ...

For those looking for more exhilarating performance, the S8 comes with a 563-hp, turbo 4.0-liter V-8 with 590 pounds-feet of torque. Both are paired with Audi’s Quattro all-wheel-drive system ...