Bugatti Chiron (2016) is 148 mm (5.83 inch) wider and 57 kg (126 lbs) lighter than Mercedes GLC-Class (2015).
Mercedes GLC-Class (2015) is 112 mm (4.41 inch) longer, 447 mm (17.60 inch) higher and has 299 liters (10.56 ft3) bigger cargo space than Bugatti Chiron (2016).