Maserati GranTurismo (2017) is 555 mm (21.85 inch) longer, 55 mm (2.17 inch) wider, 54 mm (2.13 inch) higher and has 76 liters (2.68 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 251 kg (553 lbs) lighter than Maserati GranTurismo (2017).