Citroen C4 (2014) is 115 kg (254 lbs) lighter than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 95 mm (3.74 inch) longer, 15 mm (0.59 inch) wider, 5 mm (0.20 inch) higher and has 13 liters (0.46 ft3) bigger cargo space than Citroen C4 (2014).