GMC Sierra 2500HD (2018) is 885 mm (34.84 inch) longer, 195 mm (7.68 inch) wider, 301 mm (11.85 inch) higher and has 798 liters (28.18 ft3) bigger cargo space than Subaru Outback (2017).
Subaru Outback (2017) is 1184 kg (2,610 lbs) lighter than GMC Sierra 2500HD (2018).
