McLaren 675LT Coupe (2016) is 325 mm (12.80 inch) wider and 247 kg (545 lbs) lighter than Mercedes C-Class (Coupe) (2014).
Mercedes C-Class (Coupe) (2014) is 46 mm (1.81 inch) longer, 242 mm (9.53 inch) higher and has 136 liters (4.80 ft3) bigger cargo space than McLaren 675LT Coupe (2016).