Aston Martin DB9 (2016) is 341 mm (13.43 inch) longer, 20 mm (0.79 inch) wider and has 2 liters (0.07 ft3) bigger cargo space than Toyota GR Supra (2018).
Toyota GR Supra (2018) is 9 mm (0.35 inch) higher and 156 kg (344 lbs) lighter than Aston Martin DB9 (2016).