GMC Sierra 2500HD (2017) is 1042 mm (41.02 inch) longer, 221 mm (8.70 inch) wider, 476 mm (18.74 inch) higher and has 1258 liters (44.43 ft3) bigger cargo space than Opel Astra (2015).
Opel Astra (2015) is 1199 kg (2,643 lbs) lighter than GMC Sierra 2500HD (2017).
