Ford Ranger (2015) has 94 liters (3.32 ft3) bigger cargo space than GMC Sierra 2500HD (2018).
GMC Sierra 2500HD (2018) is 590 mm (23.23 inch) longer, 185 mm (7.28 inch) wider, 176 mm (6.93 inch) higher and 596 kg (1,314 lbs) lighter than Ford Ranger (2015).