Mercedes S-Class Coupe (2015) is 630 kg (1,389 lbs) lighter and has 6 liters (0.21 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2016).
Rolls-Royce Phantom Coupe (2016) is 585 mm (23.03 inch) longer, 89 mm (3.50 inch) wider and 184 mm (7.24 inch) higher than Mercedes S-Class Coupe (2015).