Acura RDX (2014) is 139 mm (5.47 inch) higher, 109 kg (240 lbs) lighter and has 130 liters (4.59 ft3) bigger cargo space than BMW 6 Series Gran Turismo (2018).
BMW 6 Series Gran Turismo (2018) is 430 mm (16.93 inch) longer and 30 mm (1.18 inch) wider than Acura RDX (2014).