Mercedes AMG GT (2019) is 129 mm (5.08 inch) longer and 135 mm (5.31 inch) wider than Mercedes GLA-Class (2014).
Mercedes GLA-Class (2014) is 205 mm (8.07 inch) higher, 250 kg (551 lbs) lighter and has 71 liters (2.51 ft3) bigger cargo space than Mercedes AMG GT (2019).