Audi TTS (2015) is 1234 kg (2,721 lbs) lighter than GMC Sierra 3500HD (2017).
GMC Sierra 3500HD (2017) is 1510 mm (59.45 inch) longer, 193 mm (7.60 inch) wider, 624 mm (24.57 inch) higher and has 1620 liters (57.21 ft3) bigger cargo space than Audi TTS (2015).
