Audi TTS (2018) is 1199 kg (2,643 lbs) lighter than GMC Sierra 2500HD (2018).
GMC Sierra 2500HD (2018) is 1501 mm (59.09 inch) longer, 69 mm (2.72 inch) wider, 609 mm (23.98 inch) higher and has 1412 liters (49.86 ft3) bigger cargo space than Audi TTS (2018).
