BMW 1 Series (2015) is 610 kg (1,345 lbs) lighter than GMC Sierra 1500 (2015).
GMC Sierra 1500 (2015) is 892 mm (35.12 inch) longer, 267 mm (10.51 inch) wider, 446 mm (17.56 inch) higher and has 1368 liters (48.31 ft3) bigger cargo space than BMW 1 Series (2015).