GMC Sierra 3500HD (2020) is 1484 mm (58.43 inch) longer, 289 mm (11.38 inch) wider, 591 mm (23.27 inch) higher and has 1670 liters (58.98 ft3) bigger cargo space than Opel Ampera (2017).
Opel Ampera (2017) is 1112 kg (2,452 lbs) lighter than GMC Sierra 3500HD (2020).
