BMW 1 Series (2014) is 1215 kg (2,679 lbs) lighter than GMC Sierra 3500HD (2018).
GMC Sierra 3500HD (2018) is 1339 mm (52.72 inch) longer, 287 mm (11.30 inch) wider, 566 mm (22.28 inch) higher and has 1631 liters (57.60 ft3) bigger cargo space than BMW 1 Series (2014).