BMW 3 Series Touring (2019) is 29 mm (1.14 inch) longer, 226 mm (8.90 inch) higher and has 80 liters (2.83 ft3) bigger cargo space than McLaren GT (2020).
McLaren GT (2020) is 268 mm (10.55 inch) wider and 79 kg (174 lbs) lighter than BMW 3 Series Touring (2019).