GMC Yukon XL (2015) is 943 mm (37.13 inch) longer, 224 mm (8.82 inch) wider, 384 mm (15.12 inch) higher and has 1756 liters (62.01 ft3) bigger cargo space than Subaru Legacy (2017).
Subaru Legacy (2017) is 4150 kg (9,149 lbs) lighter than GMC Yukon XL (2015).
