Mii Range Fuel Consumption l/100km (max - min): combined 5.7 - 5.4. C02 emissions g/km (max – min): 127 - 122. Increased weight of a vehicle, such as the addition of optional extras may have an effect on the fuel consumption and CO2 emissions produced. To discover exact values please configure your desired vehicle at configurator.seat.ie The CO2 and fuel consumption figures are the official figures obtained from tests under standardised EU test conditions. You can discover more about test conditions here. Price subject to change. Excludes delivery and related charges.