BMW 1 Series (2015) is 789 mm (31.06 inch) longer, 124 mm (4.88 inch) wider and has 109 liters (3.85 ft3) bigger cargo space than Volkswagen Up (2017).
Volkswagen Up (2017) is 55 mm (2.17 inch) higher and 500 kg (1,102 lbs) lighter than BMW 1 Series (2015).