BMW 1 Series (2015) is 1538 kg (3,391 lbs) lighter than GMC Sierra 2500HD (2014).
GMC Sierra 2500HD (2014) is 1386 mm (54.57 inch) longer, 267 mm (10.51 inch) wider, 548 mm (21.57 inch) higher and has 1358 liters (47.96 ft3) bigger cargo space than BMW 1 Series (2015).