Buick Regal (2016) is 414 mm (16.30 inch) longer and 53 mm (2.09 inch) wider than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 11 mm (0.43 inch) higher, 280 kg (617 lbs) lighter and has 19 liters (0.67 ft3) bigger cargo space than Buick Regal (2016).
