Opel Ampera (2020) is 367 kg (809 lbs) lighter than Toyota Highlander (2017).
Toyota Highlander (2017) is 356 mm (14.02 inch) longer, 138 mm (5.43 inch) wider, 291 mm (11.46 inch) higher and has 565 liters (19.95 ft3) bigger cargo space than Opel Ampera (2020).