Audi TTS (2018) is 1214 kg (2,676 lbs) lighter than GMC Sierra 3500HD (2014).
GMC Sierra 3500HD (2014) is 1630 mm (64.17 inch) longer, 66 mm (2.60 inch) wider, 612 mm (24.09 inch) higher and has 1685 liters (59.50 ft3) bigger cargo space than Audi TTS (2018).
