Buick Regal TourX (2019) is 576 mm (22.68 inch) longer, 28 mm (1.10 inch) wider and has 165 liters (5.83 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 128 mm (5.04 inch) higher and 119 kg (262 lbs) lighter than Buick Regal TourX (2019).