Most economical small cars 2021
The list below shows the Top 30 most economical small cars (covering both city cars and superminis) currently available to buy in the UK in 2021. Finding an efficient, economical small car with low emissions can significantly reduce fuel bills and other running costs.
Use the new car search to filter these results or to create a different list of cars using selection criteria.
Other lists of most economical cars that you may be interested in:
What is an economical car?
What constitutes an economical car will vary from person to person, but most motorists are looking for low running costs: low tax, low insurance and good fuel economy
High fuel economy or MPG tends to go hand in hand with low CO2 emissions and low CO2 emissions in turn means less car tax or company car tax. Thus, the most economical cars to run are often also environmentally-friendly cars.
Selecting a model in the list of most economical cars above will show more details on the model, including running costs, whole life cost and links to fuel and tax calculators.