Acura RLX (2015) is 73 mm (2.87 inch) higher and 117 kg (258 lbs) lighter than BMW 6 Series Gran Coupe (2017).
BMW 6 Series Gran Coupe (2017) is 27 mm (1.06 inch) longer, 5 mm (0.20 inch) wider and has 37 liters (1.31 ft3) bigger cargo space than Acura RLX (2015).
