GMC Sierra 3500HD (2014) is 1171 mm (46.10 inch) longer, 218 mm (8.58 inch) wider, 479 mm (18.86 inch) higher and has 1531 liters (54.07 ft3) bigger cargo space than Opel Astra (2020).
Opel Astra (2020) is 1214 kg (2,676 lbs) lighter than GMC Sierra 3500HD (2014).
