Mercedes GLS-Class (2021) is 257 mm (10.12 inch) higher, 274 kg (604 lbs) lighter and has 44 liters (1.55 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2014).
Rolls-Royce Phantom Coupe (2014) is 277 mm (10.91 inch) longer and 31 mm (1.22 inch) wider than Mercedes GLS-Class (2021).