Mercedes C-Class (Coupe) (2017) is 446 mm (17.56 inch) longer, 35 mm (1.38 inch) wider, 124 mm (4.88 inch) higher and has 113 liters (3.99 ft3) bigger cargo space than Toyota GT86 (2014).
Toyota GT86 (2014) is 335 kg (739 lbs) lighter than Mercedes C-Class (Coupe) (2017).