Mercedes GLA-Class (2016) is 884 mm (34.80 inch) longer, 163 mm (6.42 inch) wider, 18 mm (0.71 inch) higher and has 170 liters (6.00 ft3) bigger cargo space than Volkswagen Up (2014).
Volkswagen Up (2014) is 515 kg (1,135 lbs) lighter than Mercedes GLA-Class (2016).