GMC Canyon (2021) is 897 mm (35.31 inch) longer, 99 mm (3.90 inch) wider, 349 mm (13.74 inch) higher and has 1114 liters (39.34 ft3) bigger cargo space than Opel Ampera (2017).
Opel Ampera (2017) is 1068 kg (2,355 lbs) lighter than GMC Canyon (2021).