BMW 8 Series (G14) (2018) is 424 mm (16.69 inch) longer and 106 mm (4.17 inch) wider than Mercedes B-Class (2020).
Mercedes B-Class (2020) is 223 mm (8.78 inch) higher, 298 kg (657 lbs) lighter and has 55 liters (1.94 ft3) bigger cargo space than BMW 8 Series (G14) (2018).
Size difference at a glance
BMW 8 Series (G14) (2018) is 9.6% longer than Mercedes B-Class (2020).
BMW 8 Series (G14) (2018) is 5.9% wider than Mercedes B-Class (2020).
BMW 8 Series (G14) (2018) is 14.3% lower than Mercedes B-Class (2020).
BMW 8 Series (G14) (2018) is 18.3% heavier than Mercedes B-Class (2020).
BMW 8 Series (G14) (2018) is 13.6% smaller in cargo space than Mercedes B-Class (2020).
Overall footprint
BMW 8 Series (G14) (2018) has a 16.1% larger overall footprint (length × width).
