Audi Q7 (2017) is 643 kg (1,418 lbs) lighter than GMC Sierra 3500HD (2015).
GMC Sierra 3500HD (2015) is 648 mm (25.51 inch) longer, 66 mm (2.60 inch) wider, 211 mm (8.31 inch) higher and has 981 liters (34.64 ft3) bigger cargo space than Audi Q7 (2017).
