Polestar 1 (2017) is 170 mm (6.69 inch) longer and 218 mm (8.58 inch) wider than Subaru Impreza GP (2014).
Subaru Impreza GP (2014) is 119 mm (4.69 inch) higher, 950 kg (2,094 lbs) lighter and has 242 liters (8.55 ft3) bigger cargo space than Polestar 1 (2017).