Acura TLX (2018) is 1289 kg (2,842 lbs) lighter than GMC Sierra 3500HD (2019).
GMC Sierra 3500HD (2019) is 1214 mm (47.80 inch) longer, 191 mm (7.52 inch) wider, 542 mm (21.34 inch) higher and has 1464 liters (51.70 ft3) bigger cargo space than Acura TLX (2018).
