Buick Regal TourX (2018) is 870 kg (1,918 lbs) lighter than GMC Yukon (2020).
GMC Yukon (2020) is 193 mm (7.60 inch) longer, 183 mm (7.20 inch) wider, 407 mm (16.02 inch) higher and has 1031 liters (36.41 ft3) bigger cargo space than Buick Regal TourX (2018).