BMW 8 Series (G14) (2018) is 450 mm (17.72 inch) longer and 116 mm (4.57 inch) wider than Mercedes B-Class (2017).
Mercedes B-Class (2017) is 218 mm (8.58 inch) higher, 528 kg (1,164 lbs) lighter and has 136 liters (4.80 ft3) bigger cargo space than BMW 8 Series (G14) (2018).
Size difference at a glance
BMW 8 Series (G14) (2018) is 10.2% longer than Mercedes B-Class (2017).
BMW 8 Series (G14) (2018) is 6.5% wider than Mercedes B-Class (2017).
BMW 8 Series (G14) (2018) is 14% lower than Mercedes B-Class (2017).
BMW 8 Series (G14) (2018) is 37.8% heavier than Mercedes B-Class (2017).
BMW 8 Series (G14) (2018) is 28% smaller in cargo space than Mercedes B-Class (2017).
Overall footprint
BMW 8 Series (G14) (2018) has a 17.4% larger overall footprint (length × width).
