Acura TLX (2015) is 1134 kg (2,500 lbs) lighter than GMC Sierra 3500HD (2017).
GMC Sierra 3500HD (2017) is 865 mm (34.06 inch) longer, 181 mm (7.13 inch) wider, 529 mm (20.83 inch) higher and has 1617 liters (57.10 ft3) bigger cargo space than Acura TLX (2015).