Buick Regal (2014) is 890 kg (1,962 lbs) lighter than GMC Yukon XL (2021).
GMC Yukon XL (2021) is 889 mm (35.00 inch) longer, 200 mm (7.87 inch) wider, 460 mm (18.11 inch) higher and has 2254 liters (79.60 ft3) bigger cargo space than Buick Regal (2014).