Mercedes G-Class (2017) is 316 mm (12.44 inch) higher, 54 kg (119 lbs) lighter and has 28 liters (0.99 ft3) bigger cargo space than Rolls-Royce Phantom (2015).
Rolls-Royce Phantom (2015) is 1078 mm (42.44 inch) longer and 123 mm (4.84 inch) wider than Mercedes G-Class (2017).