Buick Regal Sportback (2019) is 788 kg (1,737 lbs) lighter than GMC Yukon XL (2016).
GMC Yukon XL (2016) is 800 mm (31.50 inch) longer, 183 mm (7.20 inch) wider, 435 mm (17.13 inch) higher and has 1702 liters (60.11 ft3) bigger cargo space than Buick Regal Sportback (2019).