Audi A4 (2015) is 214 mm (8.43 inch) longer, 224 mm (8.82 inch) higher, 73 kg (161 lbs) lighter and has 336 liters (11.87 ft3) bigger cargo space than McLaren 650S Coupe (2015).
McLaren 650S Coupe (2015) is 251 mm (9.88 inch) wider than Audi A4 (2015).