FIAT 500 (2015) is 455 kg (1,003 lbs) lighter than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 874 mm (34.41 inch) longer, 177 mm (6.97 inch) wider, 6 mm (0.24 inch) higher and has 236 liters (8.33 ft3) bigger cargo space than FIAT 500 (2015).