GMC Sierra 1500 (2021) is 523 mm (20.59 inch) longer, 218 mm (8.58 inch) wider, 332 mm (13.07 inch) higher and has 1188 liters (41.95 ft3) bigger cargo space than Opel Astra Sports Tourer (2014).
Opel Astra Sports Tourer (2014) is 515 kg (1,135 lbs) lighter than GMC Sierra 1500 (2021).
