BMW 1 Series (2014) is 63 kg (139 lbs) lighter than Mercedes GLA-Class (2018).
Mercedes GLA-Class (2018) is 50 mm (1.97 inch) longer, 86 mm (3.39 inch) wider, 200 mm (7.87 inch) higher and has 75 liters (2.65 ft3) bigger cargo space than BMW 1 Series (2014).