Acura RLX (2016) is 346 kg (763 lbs) lighter than BMW 5 Series Gran Turismo (2015).
BMW 5 Series Gran Turismo (2015) is 24 mm (0.94 inch) longer, 10 mm (0.39 inch) wider, 94 mm (3.70 inch) higher and has 78 liters (2.75 ft3) bigger cargo space than Acura RLX (2016).