Audi Q8 (2019) is 482 mm (18.98 inch) longer, 504 mm (19.84 inch) higher and has 720 liters (25.43 ft3) bigger cargo space than McLaren 650S Coupe (2015).
McLaren 650S Coupe (2015) is 99 mm (3.90 inch) wider and 707 kg (1,559 lbs) lighter than Audi Q8 (2019).