Buick Regal (2017) is 315 kg (694 lbs) lighter than GMC Sierra 1500 (2016).
GMC Sierra 1500 (2016) is 390 mm (15.35 inch) longer, 175 mm (6.89 inch) wider, 394 mm (15.51 inch) higher and has 1326 liters (46.83 ft3) bigger cargo space than Buick Regal (2017).
