McLaren GT (2020) is 104 mm (4.09 inch) longer, 299 mm (11.77 inch) wider and has 80 liters (2.83 ft3) bigger cargo space than Subaru Impreza WRX (2019).
Subaru Impreza WRX (2019) is 261 mm (10.28 inch) higher and 37 kg (82 lbs) lighter than McLaren GT (2020).