Mercedes A-Class (2017) is 144 mm (5.67 inch) higher and 250 kg (551 lbs) lighter than Mercedes AMG GT (2016).
Mercedes AMG GT (2016) is 254 mm (10.00 inch) longer, 159 mm (6.26 inch) wider and has 9 liters (0.32 ft3) bigger cargo space than Mercedes A-Class (2017).