8-Speed Tiptronic S Automatic -inc: auto start/stop function
8-Speed Tiptronic S Automatic -inc: auto start/stop function and gearshift controls on steering wheel
8-Speed Automatic -inc: single-speed transfer box (high range only)
8-Speed Automatic w/Paddle Shift -inc: single-speed transfer box (high range only)
8-Speed Automatic w/Paddle Shift -inc: twin-speed transfer box (high/low range)