GMC Sierra 2500HD (2020) is 1742 mm (68.58 inch) longer, 303 mm (11.93 inch) wider, 779 mm (30.67 inch) higher and has 1532 liters (54.10 ft3) bigger cargo space than Subaru BRZ (2019).
Subaru BRZ (2019) is 1510 kg (3,329 lbs) lighter than GMC Sierra 2500HD (2020).
