Mercedes GL-Class (2020) is 8 mm (0.31 inch) wider, 212 mm (8.35 inch) higher, 69 kg (152 lbs) lighter and has 221 liters (7.80 ft3) bigger cargo space than Rolls-Royce Phantom (2015).
Rolls-Royce Phantom (2015) is 696 mm (27.40 inch) longer than Mercedes GL-Class (2020).