Ford Mustang (2014) is 894 kg (1,971 lbs) lighter than GMC Yukon XL (2017).
GMC Yukon XL (2017) is 395 mm (15.55 inch) longer, 129 mm (5.08 inch) wider, 496 mm (19.53 inch) higher and has 1848 liters (65.26 ft3) bigger cargo space than Ford Mustang (2014).