Mercedes B-Class (2018) is 206 mm (8.11 inch) higher, 950 kg (2,094 lbs) lighter and has 343 liters (12.11 ft3) bigger cargo space than Polestar 1 (2017).
Polestar 1 (2017) is 192 mm (7.56 inch) longer and 172 mm (6.77 inch) wider than Mercedes B-Class (2018).