GMC Sierra 3500HD (2016) is 1202 mm (47.32 inch) longer, 248 mm (9.76 inch) wider, 512 mm (20.16 inch) higher and has 1691 liters (59.72 ft3) bigger cargo space than Opel Ampera (2017).
Opel Ampera (2017) is 1042 kg (2,297 lbs) lighter than GMC Sierra 3500HD (2016).
