Mercedes GLA-Class (2016) is 338 kg (745 lbs) lighter than Volvo XC40 (2017).
Volvo XC40 (2017) is 1 mm (0.04 inch) longer, 230 mm (9.06 inch) wider, 158 mm (6.22 inch) higher and has 39 liters (1.38 ft3) bigger cargo space than Mercedes GLA-Class (2016).