Audi A8 (2017) is 602 kg (1,327 lbs) lighter than GMC Sierra 3500HD (2014).
GMC Sierra 3500HD (2014) is 657 mm (25.87 inch) longer, 87 mm (3.43 inch) wider, 506 mm (19.92 inch) higher and has 1486 liters (52.48 ft3) bigger cargo space than Audi A8 (2017).
