Audi TT RS (2014) is 683 kg (1,506 lbs) lighter than Mercedes X-Class (2018).
Mercedes X-Class (2018) is 1141 mm (44.92 inch) longer, 78 mm (3.07 inch) wider, 464 mm (18.27 inch) higher and has 880 liters (31.08 ft3) bigger cargo space than Audi TT RS (2014).