Cadillac CTS-V Coupe (2014) is 331 mm (13.03 inch) longer and 133 mm (5.24 inch) higher than Mercedes AMG GT (2017).
Mercedes AMG GT (2017) is 57 mm (2.24 inch) wider, 285 kg (628 lbs) lighter and has 53 liters (1.87 ft3) bigger cargo space than Cadillac CTS-V Coupe (2014).