BMW 3 Series Gran Turismo (2021) is 280 mm (11.02 inch) longer, 321 mm (12.64 inch) higher and has 326 liters (11.51 ft3) bigger cargo space than McLaren 675LT Coupe (2016).
McLaren 675LT Coupe (2016) is 266 mm (10.47 inch) wider and 222 kg (489 lbs) lighter than BMW 3 Series Gran Turismo (2021).