GMC Sierra 3500HD (2018) is 945 mm (37.20 inch) longer, 214 mm (8.43 inch) wider, 471 mm (18.54 inch) higher and has 1575 liters (55.62 ft3) bigger cargo space than Subaru Legacy (2020).
Subaru Legacy (2020) is 1178 kg (2,597 lbs) lighter than GMC Sierra 3500HD (2018).
