GMC Yukon XL (2016) is 885 mm (34.84 inch) longer, 205 mm (8.07 inch) wider, 215 mm (8.46 inch) higher and has 1252 liters (44.21 ft3) bigger cargo space than Subaru Outback (2017).
Subaru Outback (2017) is 1068 kg (2,355 lbs) lighter than GMC Yukon XL (2016).
