When buying a new car, fuel economy is often one of the biggest deciding factors. If you’re looking to reduce your monthly fuel bills, there are plenty of efficient petrol and diesel models that can help you spend less time at the pumps.
While many modern buyers are now turning to hybrid and electric vehicles, several conventional models have historically delivered excellent fuel economy figures too. Here are ten fuel-efficient cars that became well known for their impressive MPG ratings.
With fuel efficiency more important than ever for UK motorists, this report on rising insurance and fuel costs highlights why drivers are increasingly turning to the most economical cars on the market.
1. Peugeot 208
The Peugeot 208 is small, stylish, and one of the most competitive superminis on the market. It features one of the classiest interiors in its segment and offers a range of efficient engines alongside impressive safety equipment.
Earlier diesel models equipped with the 75hp 1.6-litre diesel engine achieved a claimed fuel economy figure of up to 94.2mpg under older testing standards.
2. Ford Fiesta
The Ford Fiesta has long been one of the UK’s best-selling cars thanks to its sporty handling, sharp steering, and everyday practicality.
Known for its low running costs and enjoyable driving experience, certain diesel-powered Fiesta models achieved claimed economy figures of around 74mpg.
3. Nissan Micra
The latest-generation Nissan Micra brought a more stylish design, improved handling, and a much more refined driving experience compared with previous versions.
Diesel variants fitted with the 90hp 1.5-litre engine delivered claimed fuel economy figures of up to 81mpg, making them attractive options for economical driving.
4. Renault Clio
The Renault Clio has remained a popular supermini thanks to its comfortable ride, smart interior, and affordable running costs.
Models fitted with the 90hp 1.5-litre diesel engine achieved an impressive claimed fuel economy figure of up to 88mpg, helping to make the Clio one of the cheapest small cars to run at the time.
5. Vauxhall Astra
The Vauxhall Astra competes strongly in the family hatchback segment with its comfortable interior, generous equipment levels, and efficient engine range.
The 110hp 1.6-litre diesel version stood out in particular, with claimed fuel economy figures of up to 83mpg.
6. Fiat Tipo
The Fiat Tipo became popular as a budget-friendly hatchback offering practicality and comfort.
Equipped with the 1.6 Multijet diesel engine, some models delivered claimed fuel economy figures of around 83.1mpg while still offering plenty of interior space and a relaxed driving experience.
7. Vauxhall Corsa
The Vauxhall Corsa has enjoyed years of success in the UK thanks to its sensible cabin design, affordable running costs, and comfortable ride quality.
Diesel-powered versions with the 1.3-litre 95hp engine achieved claimed fuel economy figures of up to 81mpg, outperforming several rivals at the time.
8. DS 3
The DS 3 combined stylish looks with strong fuel economy and a more premium feel than many rival superminis.
Originally sold as a Citroën model, diesel variants such as the 1.6 BlueHDi offered claimed fuel economy figures of up to 83.1mpg.
9. Alfa Romeo MiTo
The Alfa Romeo MiTo delivered distinctive styling and sporty character while still offering strong fuel efficiency.
Models equipped with the 1.3 JTDM-2 diesel engine achieved claimed combined fuel economy figures of up to 83.1mpg, while the MiTo’s sporty appearance helped it stand out from the crowd.
10. Ford Focus
The Ford Focus has been one of the UK’s favourite family hatchbacks since its launch in 1998, thanks to its excellent handling and practicality.
Diesel-powered 1.5 TDCi models delivered claimed fuel economy figures of up to 83.1mpg, making the Focus both enjoyable to drive and affordable to run.
To make every tank go further, these practical fuel‑efficient driving tips show how small changes behind the wheel can boost MPG no matter what you drive.
Also, our valuation guidance hub explains the factors that shape an accurate price when it comes to your vehicle.
Final Thoughts
Fuel economy figures can vary significantly depending on driving style, traffic conditions, vehicle maintenance, and whether figures were tested under older NEDC or newer WLTP standards.
Although hybrid and electric vehicles now dominate discussions around efficiency, many petrol and diesel cars still offer excellent fuel economy for drivers covering long distances regularly.
And if exploring fuel‑efficient models has you thinking about your own vehicle’s worth, you can get an instant estimate with free online valuation tool. It’s super quick and easy to use, you’ll be able to see a list of offers from our trusted car buyers in seconds!