INFINITI Q50 (2017) is 359 mm (14.13 inch) longer and 20 mm (0.79 inch) wider than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 41 mm (1.61 inch) higher, 351 kg (774 lbs) lighter and has 39 liters (1.38 ft3) bigger cargo space than INFINITI Q50 (2017).