BMW 6 Series Gran Coupe (2017) is 616 mm (24.25 inch) longer and 109 mm (4.29 inch) wider than Mercedes B-Class (2014).
Mercedes B-Class (2014) is 165 mm (6.50 inch) higher, 506 kg (1,116 lbs) lighter and has 27 liters (0.95 ft3) bigger cargo space than BMW 6 Series Gran Coupe (2017).
