GMC Sierra 1500 (2016) is 563 mm (22.17 inch) longer, 218 mm (8.58 inch) wider, 367 mm (14.45 inch) higher and has 1268 liters (44.78 ft3) bigger cargo space than Opel Astra (2014).
Opel Astra (2014) is 585 kg (1,290 lbs) lighter than GMC Sierra 1500 (2016).
