GMC Sierra 3500HD (2018) 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 1058 kg (2,332 lbs) lighter than GMC Sierra 3500HD (2018).
