Audi Q7 (2015) is 563 kg (1,241 lbs) lighter than GMC Sierra 2500HD (2014).
GMC Sierra 2500HD (2014) is 629 mm (24.76 inch) longer, 48 mm (1.89 inch) wider, 232 mm (9.13 inch) higher and has 529 liters (18.68 ft3) bigger cargo space than Audi Q7 (2015).
