Mercedes GLA-Class (2018) is 32 mm (1.26 inch) longer, 319 mm (12.56 inch) higher, 66 kg (146 lbs) lighter and has 250 liters (8.83 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 26 mm (1.02 inch) wider than Mercedes GLA-Class (2018).