Audi A8 (2016) is 698 kg (1,539 lbs) lighter than GMC Sierra 3500HD (2018).
GMC Sierra 3500HD (2018) is 527 mm (20.75 inch) longer, 90 mm (3.54 inch) wider, 504 mm (19.84 inch) higher and has 1486 liters (52.48 ft3) bigger cargo space than Audi A8 (2016).
