Audi RS 5 (2017) is 176 mm (6.93 inch) longer, 184 mm (7.24 inch) higher and has 269 liters (9.50 ft3) bigger cargo space than McLaren 675LT Coupe (2016).
McLaren 675LT Coupe (2016) is 66 mm (2.60 inch) wider and 327 kg (721 lbs) lighter than Audi RS 5 (2017).