Audi TTS (2014) is 1254 kg (2,765 lbs) lighter than GMC Sierra 3500HD (2017).
GMC Sierra 3500HD (2017) is 1501 mm (59.09 inch) longer, 83 mm (3.27 inch) wider, 632 mm (24.88 inch) higher and has 1620 liters (57.21 ft3) bigger cargo space than Audi TTS (2014).
