Audi A8 (2014) is 625 mm (24.61 inch) longer, 257 mm (10.12 inch) higher and has 230 liters (8.12 ft3) bigger cargo space than McLaren 650S Coupe (2015).
McLaren 650S Coupe (2015) is 145 mm (5.71 inch) wider and 517 kg (1,140 lbs) lighter than Audi A8 (2014).