GMC Sierra 2500HD (2017) is 946 mm (37.24 inch) longer, 214 mm (8.43 inch) wider, 470 mm (18.50 inch) higher and has 1302 liters (45.98 ft3) bigger cargo space than Subaru Legacy (2020).
Subaru Legacy (2020) is 1067 kg (2,352 lbs) lighter than GMC Sierra 2500HD (2017).
