Audi Q3 (2017) is 1070 kg (2,359 lbs) lighter than GMC Sierra 3500HD (2014).
GMC Sierra 3500HD (2014) is 1345 mm (52.95 inch) longer, 183 mm (7.20 inch) wider, 394 mm (15.51 inch) higher and has 1461 liters (51.59 ft3) bigger cargo space than Audi Q3 (2017).
