Mercedes GLK-Class (2017) is 101 mm (3.98 inch) higher, 710 kg (1,565 lbs) lighter and has 136 liters (4.80 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 1076 mm (42.36 inch) longer and 147 mm (5.79 inch) wider than Mercedes GLK-Class (2017).