BMW 5 Series Gran Turismo (2015) is 474 kg (1,045 lbs) lighter than GMC Sierra 2500HD (2018).
GMC Sierra 2500HD (2018) is 694 mm (27.32 inch) longer, 135 mm (5.31 inch) wider, 417 mm (16.42 inch) higher and has 1218 liters (43.01 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2015).