BMW X6 (2017) is 603 kg (1,329 lbs) lighter than GMC Sierra 3500HD (2015).
GMC Sierra 3500HD (2015) is 791 mm (31.14 inch) longer, 46 mm (1.81 inch) wider, 249 mm (9.80 inch) higher and has 1411 liters (49.83 ft3) bigger cargo space than BMW X6 (2017).
