Mercedes GLC-Class (2017) is 93 mm (3.66 inch) higher, 619 kg (1,365 lbs) lighter and has 39 liters (1.38 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2014).
Rolls-Royce Phantom Coupe (2014) is 956 mm (37.64 inch) longer and 97 mm (3.82 inch) wider than Mercedes GLC-Class (2017).