Ford Mustang (2015) is 748 kg (1,649 lbs) lighter than Rolls-Royce Phantom (2019).
Rolls-Royce Phantom (2019) is 987 mm (38.86 inch) longer, 101 mm (3.98 inch) wider, 252 mm (9.92 inch) higher and has 214 liters (7.56 ft3) bigger cargo space than Ford Mustang (2015).