GMC Sierra 2500HD (2015) is 1329 mm (52.32 inch) longer, 224 mm (8.82 inch) wider, 482 mm (18.98 inch) higher and has 1311 liters (46.30 ft3) bigger cargo space than Subaru Legacy (2020).
Subaru Legacy (2020) is 52 kg (115 lbs) lighter than GMC Sierra 2500HD (2015).
