Mercedes C-Class (Coupe) (2017) is 308 mm (12.13 inch) longer, 117 mm (4.61 inch) higher, 79 kg (174 lbs) lighter and has 171 liters (6.04 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 50 mm (1.97 inch) wider than Mercedes C-Class (Coupe) (2017).