Mercedes C-Class (Coupe) (2017) is 1169 kg (2,577 lbs) lighter and has 45 liters (1.59 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2014).
Rolls-Royce Phantom Coupe (2014) is 926 mm (36.46 inch) longer, 177 mm (6.97 inch) wider and 157 mm (6.18 inch) higher than Mercedes C-Class (Coupe) (2017).