GMC Sierra 3500HD (2015) is 885 mm (34.84 inch) longer, 195 mm (7.68 inch) wider, 276 mm (10.87 inch) higher and has 1071 liters (37.82 ft3) bigger cargo space than Subaru Outback (2017).
Subaru Outback (2017) is 1283 kg (2,829 lbs) lighter than GMC Sierra 3500HD (2015).
