McLaren GT (2020) is 269 mm (10.59 inch) longer, 355 mm (13.98 inch) wider and has 35 liters (1.24 ft3) bigger cargo space than Subaru Impreza GP (2014).
Subaru Impreza GP (2014) is 256 mm (10.08 inch) higher and 176 kg (388 lbs) lighter than McLaren GT (2020).