McLaren Senna (2018) is 10 mm (0.39 inch) wider and 1146 kg (2,526 lbs) lighter than Rolls-Royce Ghost (2017).
Rolls-Royce Ghost (2017) is 655 mm (25.79 inch) longer, 355 mm (13.98 inch) higher and has 396 liters (13.98 ft3) bigger cargo space than McLaren Senna (2018).