Chevrolet Spark (2014) is 110 mm (4.33 inch) higher, 628 kg (1,385 lbs) lighter and has 23 liters (0.81 ft3) bigger cargo space than Opel Ampera (2014).
Opel Ampera (2014) is 823 mm (32.40 inch) longer and 189 mm (7.44 inch) wider than Chevrolet Spark (2014).