Acura RLX (2014) is 919 kg (2,026 lbs) lighter than GMC Sierra 3500HD (2015).
GMC Sierra 3500HD (2015) is 718 mm (28.27 inch) longer, 145 mm (5.71 inch) wider, 486 mm (19.13 inch) higher and has 1569 liters (55.41 ft3) bigger cargo space than Acura RLX (2014).
