Audi S6 (2014) is 565 mm (22.24 inch) longer and 63 mm (2.48 inch) wider than Mitsubishi Outlander Sport (2018).
Mitsubishi Outlander Sport (2018) is 206 mm (8.11 inch) higher, 485 kg (1,069 lbs) lighter and has 215 liters (7.59 ft3) bigger cargo space than Audi S6 (2014).