Acura RLX (2020) is 66 mm (2.60 inch) longer and 220 kg (485 lbs) lighter than Toyota Highlander (2021).
Toyota Highlander (2021) is 35 mm (1.38 inch) wider, 264 mm (10.39 inch) higher and has 443 liters (15.64 ft3) bigger cargo space than Acura RLX (2020).