Audi Q8 (2018) is 429 kg (946 lbs) lighter than GMC Sierra 2500HD (2017).
GMC Sierra 2500HD (2017) is 701 mm (27.60 inch) longer, 36 mm (1.42 inch) wider, 267 mm (10.51 inch) higher and has 854 liters (30.16 ft3) bigger cargo space than Audi Q8 (2018).
