Audi A8 (2014) is 766 kg (1,689 lbs) lighter than GMC Sierra 2500HD (2019).
GMC Sierra 2500HD (2019) is 563 mm (22.17 inch) longer, 87 mm (3.43 inch) wider, 516 mm (20.31 inch) higher and has 1353 liters (47.78 ft3) bigger cargo space than Audi A8 (2014).
