Audi A8 (2016) is 946 kg (2,086 lbs) lighter than GMC Sierra 2500HD (2016).
GMC Sierra 2500HD (2016) is 527 mm (20.75 inch) longer, 90 mm (3.54 inch) wider, 503 mm (19.80 inch) higher and has 1213 liters (42.84 ft3) bigger cargo space than Audi A8 (2016).
