Audi A8 (2019) is 377 kg (831 lbs) lighter than GMC Sierra 3500HD (2020).
GMC Sierra 3500HD (2020) is 810 mm (31.89 inch) longer, 131 mm (5.16 inch) wider, 557 mm (21.93 inch) higher and has 1580 liters (55.80 ft3) bigger cargo space than Audi A8 (2019).
