Hyundai Elantra GT (2017) is 32 mm (1.26 inch) higher, 338 kg (745 lbs) lighter and has 108 liters (3.81 ft3) bigger cargo space than Opel Ampera (2020).
Opel Ampera (2020) is 198 mm (7.80 inch) longer and 6 mm (0.24 inch) wider than Hyundai Elantra GT (2017).