BMW 5 Series Gran Turismo (2018) is 259 mm (10.20 inch) longer, 254 mm (10.00 inch) higher and has 110 liters (3.88 ft3) bigger cargo space than McLaren GT (2020).
McLaren GT (2020) is 228 mm (8.98 inch) wider and 128 kg (282 lbs) lighter than BMW 5 Series Gran Turismo (2018).