GMC Sierra 3500HD (2017) is 1201 mm (47.28 inch) longer, 248 mm (9.76 inch) wider, 538 mm (21.18 inch) higher and has 1691 liters (59.72 ft3) bigger cargo space than Opel Ampera (2017).
Opel Ampera (2017) is 1057 kg (2,330 lbs) lighter than GMC Sierra 3500HD (2017).
