Mercedes SLK-Class (2014) is 11 mm (0.43 inch) higher, 174 kg (384 lbs) lighter and has 150 liters (5.30 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 244 mm (9.61 inch) longer and 43 mm (1.69 inch) wider than Mercedes SLK-Class (2014).