Cadillac CTS-V Wagon (2014) is 331 mm (13.03 inch) longer, 184 mm (7.24 inch) higher and has 40 liters (1.41 ft3) bigger cargo space than Mercedes AMG GT (2015).
Mercedes AMG GT (2015) is 97 mm (3.82 inch) wider and 362 kg (798 lbs) lighter than Cadillac CTS-V Wagon (2014).