Mercedes GLA-Class (2017) is 13 mm (0.51 inch) higher, 1027 kg (2,264 lbs) lighter and has 121 liters (4.27 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 1202 mm (47.32 inch) longer and 153 mm (6.02 inch) wider than Mercedes GLA-Class (2017).