Audi A3 Sportback g-tron: Fuel consumption (CNG) according to ECE standard in kg/100 km: 3.3 – 3.2** (7.3 – 7.1 lb); Combined CO2 emissions (CNG operation) in g/km: 92 – 88 (148.1 – 141.6 g/mi)
Audi A3 Sportback e-tron: Fuel consumption according to ECE standard in l/100 km: 1.7 – 1.5** (138.4 – 156.8 US mpg); Combined electrical consumption in kWh/100 km (62.1 mi): 12.4 – 11.4** Combined CO2 emissions in g/km: 39 – 35** (62.8 – 56.3 g/mi)
**The fuel consumption and the CO2 emissions of a vehicle vary due to the choice of wheels and tires. They not only depend on the efficient utilization of the fuel by the vehicle, but are also influenced by driving behavior and other non-technical factors.