Citroen DS5 (2017) is 113 mm (4.45 inch) longer, 67 mm (2.64 inch) wider, 11 mm (0.43 inch) higher and has 44 liters (1.55 ft3) bigger cargo space than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 109 kg (240 lbs) lighter than Citroen DS5 (2017).