Mercedes CLA-Class (2014) is 252 mm (9.92 inch) longer, 146 mm (5.75 inch) higher, 144 kg (317 lbs) lighter and has 285 liters (10.06 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 82 mm (3.23 inch) wider than Mercedes CLA-Class (2014).