BMW 1 Series (2014) is 1104 kg (2,434 lbs) lighter than GMC Sierra 2500HD (2017).
GMC Sierra 2500HD (2017) is 1340 mm (52.76 inch) longer, 287 mm (11.30 inch) wider, 565 mm (22.24 inch) higher and has 1358 liters (47.96 ft3) bigger cargo space than BMW 1 Series (2014).