Buick Envision (2017) is 249 mm (9.80 inch) longer, 35 mm (1.38 inch) wider, 203 mm (7.99 inch) higher and has 341 liters (12.04 ft3) bigger cargo space than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 457 kg (1,008 lbs) lighter than Buick Envision (2017).