McLaren 650S Coupe (2015) is 97 mm (3.82 inch) longer and 353 mm (13.90 inch) wider than Subaru Impreza GP (2014).
Subaru Impreza GP (2014) is 267 mm (10.51 inch) higher, 73 kg (161 lbs) lighter and has 241 liters (8.51 ft3) bigger cargo space than McLaren 650S Coupe (2015).