Audi TTS (2018) is 1298 kg (2,862 lbs) lighter than GMC Sierra 3500HD (2015).
GMC Sierra 3500HD (2015) is 1501 mm (59.09 inch) longer, 69 mm (2.72 inch) wider, 584 mm (22.99 inch) higher and has 1685 liters (59.50 ft3) bigger cargo space than Audi TTS (2018).
