SMART CO2 and NOx emissions
The list below shows SMART models available to buy as new in UK in 2018, ordered by tail-pipe CO2 emissions, lowest first. The CO2 figure is an official measure of grams of CO2 emitted from the tail-pipe of each SMART model per km. The NOx and PM10 figures are official figures show in mg/km. Also shown is NGC Rating, which is a life cycle rating that includes air pollutants as well as greenhouse gas emissions across the life of the SMART model.