Honda Ridgeline (2018) is 836 mm (32.91 inch) longer, 209 mm (8.23 inch) wider, 496 mm (19.53 inch) higher and has 660 liters (23.31 ft3) bigger cargo space than Opel Ampera (2014).
Opel Ampera (2014) is 267 kg (589 lbs) lighter than Honda Ridgeline (2018).