BMW 3 Series Gran Turismo (2014) is 869 kg (1,916 lbs) lighter than GMC Sierra 2500HD (2018).
GMC Sierra 2500HD (2018) is 876 mm (34.49 inch) longer, 207 mm (8.15 inch) wider, 468 mm (18.43 inch) higher and has 1198 liters (42.31 ft3) bigger cargo space than BMW 3 Series Gran Turismo (2014).