Cadillac XT4 (2021) is 7 mm (0.28 inch) higher, 920 kg (2,028 lbs) lighter and has 243 liters (8.58 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2016).
Rolls-Royce Phantom Coupe (2016) is 1012 mm (39.84 inch) longer and 38 mm (1.50 inch) wider than Cadillac XT4 (2021).
