McLaren 720S (2020) is 165 mm (6.50 inch) longer, 199 mm (7.83 inch) wider, 162 kg (357 lbs) lighter and has 18 liters (0.64 ft3) bigger cargo space than Toyota GR Supra (2019).
Toyota GR Supra (2019) is 96 mm (3.78 inch) higher than McLaren 720S (2020).