Mercedes AMG GT (2015) is 62 mm (2.44 inch) wider and 78 kg (172 lbs) lighter than Volvo S80 (2015).
Volvo S80 (2015) is 305 mm (12.01 inch) longer, 205 mm (8.07 inch) higher and has 130 liters (4.59 ft3) bigger cargo space than Mercedes AMG GT (2015).