Chevrolet Tahoe (2016) is 10 mm (0.39 inch) wider and 274 kg (604 lbs) lighter than GMC Sierra 3500HD (2015).
GMC Sierra 3500HD (2015) is 518 mm (20.39 inch) longer, 61 mm (2.40 inch) higher and has 527 liters (18.61 ft3) bigger cargo space than Chevrolet Tahoe (2016).