Audi TTS (2017) is 1235 kg (2,723 lbs) lighter than GMC Sierra 3500HD (2018).
GMC Sierra 3500HD (2018) is 1508 mm (59.37 inch) longer, 204 mm (8.03 inch) wider, 636 mm (25.04 inch) higher and has 1651 liters (58.30 ft3) bigger cargo space than Audi TTS (2017).
