BMW 1 Series (2015) is 15 kg (33 lbs) lighter than Mercedes B-Class (2017).
Mercedes B-Class (2017) is 64 mm (2.52 inch) longer, 21 mm (0.83 inch) wider, 136 mm (5.35 inch) higher and has 126 liters (4.45 ft3) bigger cargo space than BMW 1 Series (2015).
