BMW 3 Series (2014) is 1084 mm (42.68 inch) longer, 169 mm (6.65 inch) wider and has 229 liters (8.09 ft3) bigger cargo space than Volkswagen Up (2015).
Volkswagen Up (2015) is 47 mm (1.85 inch) higher and 685 kg (1,510 lbs) lighter than BMW 3 Series (2014).