Audi S7 (2018) is 663 kg (1,462 lbs) lighter than GMC Sierra 3500HD (2015).
GMC Sierra 3500HD (2015) is 720 mm (28.35 inch) longer, 127 mm (5.00 inch) wider, 529 mm (20.83 inch) higher and has 1456 liters (51.42 ft3) bigger cargo space than Audi S7 (2018).
