Mercedes A-Class (2017) is 141 mm (5.55 inch) higher, 234 kg (516 lbs) lighter and has 156 liters (5.51 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 86 mm (3.39 inch) longer and 80 mm (3.15 inch) wider than Mercedes A-Class (2017).