Opel Ampera (2017) is 66 mm (2.60 inch) longer than Volkswagen Tiguan (2017).
Volkswagen Tiguan (2017) is 21 mm (0.83 inch) wider, 265 mm (10.43 inch) higher, 113 kg (249 lbs) lighter and has 374 liters (13.21 ft3) bigger cargo space than Opel Ampera (2017).
