Mercedes AMG GT (2015) is 16 mm (0.63 inch) wider and 220 kg (485 lbs) lighter than Porsche Macan (2020).
Porsche Macan (2020) is 135 mm (5.31 inch) longer, 335 mm (13.19 inch) higher and has 151 liters (5.33 ft3) bigger cargo space than Mercedes AMG GT (2015).