Acura RLX (2020) is 26 mm (1.02 inch) longer and 97 kg (214 lbs) lighter than BMW 5 Series Touring (2018).
BMW 5 Series Touring (2018) is 5 mm (0.20 inch) wider, 99 mm (3.90 inch) higher and has 148 liters (5.23 ft3) bigger cargo space than Acura RLX (2020).