Mercedes GL-Class (2017) is 11 mm (0.43 inch) wider, 252 mm (9.92 inch) higher, 10 kg (22 lbs) lighter and has 366 liters (12.93 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 466 mm (18.35 inch) longer than Mercedes GL-Class (2017).