BMW 3 Series Gran Turismo (2018) is 1034 kg (2,280 lbs) lighter than GMC Sierra 2500HD (2020).
GMC Sierra 2500HD (2020) is 1158 mm (45.59 inch) longer, 250 mm (9.84 inch) wider, 516 mm (20.31 inch) higher and has 1207 liters (42.62 ft3) bigger cargo space than BMW 3 Series Gran Turismo (2018).