Acura RLX (2015) is 231 kg (509 lbs) lighter than BMW 5 Series Touring (2017).
BMW 5 Series Touring (2017) is 14 mm (0.55 inch) longer, 10 mm (0.39 inch) wider, 92 mm (3.62 inch) higher and has 138 liters (4.87 ft3) bigger cargo space than Acura RLX (2015).