INFINITI Q50 (2014) is 165 mm (6.50 inch) longer, 34 mm (1.34 inch) wider, 34 mm (1.34 inch) higher and has 26 liters (0.92 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2017).
Mercedes C-Class (Coupe) (2017) is 205 kg (452 lbs) lighter than INFINITI Q50 (2014).