Audi Q7 (2018) is 174 mm (6.85 inch) higher, 659 kg (1,453 lbs) lighter and has 699 liters (24.68 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2014).
Rolls-Royce Phantom Coupe (2014) is 560 mm (22.05 inch) longer and 18 mm (0.71 inch) wider than Audi Q7 (2018).