Acura RLX (2014) is 604 mm (23.78 inch) longer, 30 mm (1.18 inch) wider, 173 mm (6.81 inch) higher and has 237 liters (8.37 ft3) bigger cargo space than Toyota GR Supra (2020).
Toyota GR Supra (2020) is 155 kg (342 lbs) lighter than Acura RLX (2014).