GMC Yukon XL (2017) is 315 mm (12.40 inch) longer, 168 mm (6.61 inch) wider, 170 mm (6.69 inch) higher and has 1108 liters (39.13 ft3) bigger cargo space than Subaru Tribeca (2014).
Subaru Tribeca (2014) is 795 kg (1,753 lbs) lighter than GMC Yukon XL (2017).