GMC Sierra 2500HD (2017) is 1953 mm (76.89 inch) longer, 39 mm (1.54 inch) wider, 483 mm (19.02 inch) higher and has 1331 liters (47.00 ft3) bigger cargo space than Opel Adam (2014).
Opel Adam (2014) is 1518 kg (3,347 lbs) lighter than GMC Sierra 2500HD (2017).
