BMW 6 Series Gran Coupe (2019) is 868 kg (1,914 lbs) lighter than GMC Sierra 2500HD (2020).
GMC Sierra 2500HD (2020) is 973 mm (38.31 inch) longer, 183 mm (7.20 inch) wider, 632 mm (24.88 inch) higher and has 1268 liters (44.78 ft3) bigger cargo space than BMW 6 Series Gran Coupe (2019).
