Buick Regal (2015) is 870 kg (1,918 lbs) lighter than GMC Yukon XL (2019).
GMC Yukon XL (2019) is 869 mm (34.21 inch) longer, 188 mm (7.40 inch) wider, 407 mm (16.02 inch) higher and has 1770 liters (62.51 ft3) bigger cargo space than Buick Regal (2015).