Bugatti Chiron (2016) is 118 mm (4.65 inch) wider and 115 kg (254 lbs) lighter than Mercedes X-Class (2017).
Mercedes X-Class (2017) is 796 mm (31.34 inch) longer, 607 mm (23.90 inch) higher and has 1109 liters (39.16 ft3) bigger cargo space than Bugatti Chiron (2016).
