Mercedes C-Class (Coupe) (2014) is 985 kg (2,172 lbs) lighter and has 17 liters (0.60 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 1020 mm (40.16 inch) longer, 217 mm (8.54 inch) wider and 168 mm (6.61 inch) higher than Mercedes C-Class (Coupe) (2014).