Citroen C4 Cactus (2014) is 41 mm (1.61 inch) higher, 682 kg (1,504 lbs) lighter and has 58 liters (2.05 ft3) bigger cargo space than Opel Ampera (2017).
Opel Ampera (2017) is 341 mm (13.43 inch) longer and 58 mm (2.28 inch) wider than Citroen C4 Cactus (2014).
