Buick Excelle GT (2015) is 163 mm (6.42 inch) longer and 170 kg (375 lbs) lighter than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 6 mm (0.24 inch) wider, 31 mm (1.22 inch) higher and has 16 liters (0.57 ft3) bigger cargo space than Buick Excelle GT (2015).