Polestar 1 (2017) is 4 mm (0.16 inch) wider than Porsche Cayenne (2014).
Porsche Cayenne (2014) is 270 mm (10.63 inch) longer, 337 mm (13.27 inch) higher, 160 kg (353 lbs) lighter and has 527 liters (18.61 ft3) bigger cargo space than Polestar 1 (2017).