Audi A6 Allroad (2016) is 442 mm (17.40 inch) longer, 111 mm (4.37 inch) wider, 11 mm (0.43 inch) higher and has 265 liters (9.36 ft3) bigger cargo space than Opel Ampera (2014).
Opel Ampera (2014) is 308 kg (679 lbs) lighter than Audi A6 Allroad (2016).
