Mercedes GLC-Class (2016) is 61 mm (2.40 inch) higher, 490 kg (1,080 lbs) lighter and has 36 liters (1.27 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 956 mm (37.64 inch) longer and 97 mm (3.82 inch) wider than Mercedes GLC-Class (2016).