Mercedes GLA-Class (2017) is 870 mm (34.25 inch) longer, 193 mm (7.60 inch) wider, 135 mm (5.31 inch) higher and has 184 liters (6.50 ft3) bigger cargo space than Volkswagen Up (2020).
Volkswagen Up (2020) is 683 kg (1,506 lbs) lighter than Mercedes GLA-Class (2017).