Audi A5 (2018) is 161 mm (6.34 inch) longer, 168 mm (6.61 inch) higher and has 310 liters (10.95 ft3) bigger cargo space than McLaren 650S Coupe (2015).
McLaren 650S Coupe (2015) is 247 mm (9.72 inch) wider and 32 kg (71 lbs) lighter than Audi A5 (2018).