BMW 1 Series (2014) is 820 mm (32.28 inch) longer, 107 mm (4.21 inch) wider and has 109 liters (3.85 ft3) bigger cargo space than Volkswagen Up (2017).
Volkswagen Up (2017) is 65 mm (2.56 inch) higher and 620 kg (1,367 lbs) lighter than BMW 1 Series (2014).