A6 Sportback e-tron: Power consumption (combined) in kWh/100 km: 15.9–14.0CO₂ emissions (combined) in g/km: 0CO₂ emission class: A A6 Sportback e-tron: Power consumption (combined) in kWh/100 km: 15.9–14.0CO₂ emissions (combined) in g/km: 0CO₂ emission class: A