Kia Forte (Sedan) (2017) is 143 mm (5.63 inch) longer, 14 mm (0.55 inch) wider, 404 kg (891 lbs) lighter and has 133 liters (4.70 ft3) bigger cargo space than Opel Ampera (2020).
Opel Ampera (2020) is 4 mm (0.16 inch) higher than Kia Forte (Sedan) (2017).