Audi S8 (2014) is 293 mm (11.54 inch) longer and 24 mm (0.94 inch) wider than Toyota Highlander (2014).
Toyota Highlander (2014) is 262 mm (10.31 inch) higher, 970 kg (2,138 lbs) lighter and has 360 liters (12.71 ft3) bigger cargo space than Audi S8 (2014).