INFINITI Q50 (2014) is 305 mm (12.01 inch) longer, 154 mm (6.06 inch) higher and has 32 liters (1.13 ft3) bigger cargo space than Mercedes AMG GT (2015).
Mercedes AMG GT (2015) is 95 mm (3.74 inch) wider and 110 kg (243 lbs) lighter than INFINITI Q50 (2014).