Audi S6 (2017) is 856 kg (1,887 lbs) lighter than GMC Sierra 2500HD (2019).
GMC Sierra 2500HD (2019) is 769 mm (30.28 inch) longer, 161 mm (6.34 inch) wider, 536 mm (21.10 inch) higher and has 1328 liters (46.90 ft3) bigger cargo space than Audi S6 (2017).
