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A Guide to the Most Fuel-Efficient Cars You Can Buy in 2025

With rising fuel prices and growing environmental awareness, fuel efficiency is more important than ever for car buyers. Below, we look at some of the most fuel-efficient cars you can purchase in 2025. The list focuses on petrol, diesel, and hybrid options, excluding plug-in hybrids, to ensure practicality for everyday drivers who may not always charge their vehicles.

 

Top 5 Most Fuel-Efficient Cars in 2025

Toyota Yaris Hybrid (68.8 mpg)

 

 

The Toyota Yaris Hybrid continues to impress with its 1.5-litre petrol-electric hybrid system, which delivers 68.8 mpg. It’s versatile, offering excellent fuel efficiency in both city traffic and on the motorway. Agile handling and a responsive steering system add to its charm. Although rear space and boot capacity are limited, the Yaris excels in economy and reliability, making it a top choice for eco-conscious buyers.

 

Skoda Octavia 2.0 TDI (68.2 mpg)

 

 

The Skoda Octavia continues to impress as a practical, fuel-efficient family car. Equipped with a 2.0-litre diesel engine, it offers an official fuel efficiency of 68.2 mpg, along with a spacious interior and a massive boot. Its refined driving dynamics and solid build quality make it a dependable choice for those who frequently cover long distances. The Octavia balances economy and practicality effortlessly.

 

Volkswagen Golf 2.0 TDI (67.3 mpg)

 

 

The Volkswagen Golf remains a versatile and efficient hatchback. Its 115hp 2.0-litre TDI diesel engine offers 67.3 mpg and smooth handling, delivering a well-rounded package for daily commutes or long road trips. The Golf also boasts a modern interior with a digital cockpit and intuitive infotainment system, making it a great choice for those who value both economy and technology.

 

Toyota Corolla Hybrid (64.1 mpg)

 

 

The Toyota Corolla Hybrid blends stylish design with an economical 1.8-litre petrol-electric hybrid drivetrain. Delivering 64.1 mpg, it is a smooth and reliable performer on the road. Toyota also offers a warranty of up to 10 years with regular servicing, adding peace of mind. The Corolla’s comfortable interior and engaging driving dynamics further bolster its appeal as an efficient yet enjoyable car.

 

Honorable Mentions

  • Citroën C3 (62.8 mpg): A supermini offering excellent comfort and efficiency, sharing its engine with the now-petrol-only Peugeot 208.
  • BMW 3 Series 320d (56.5 mpg): A compact executive diesel sedan offering a blend of luxury, efficiency, and motorway comfort.
  • Toyota Prius (67.0 mpg): A hybrid icon known for its reliability and economy, with close to 70 mpg in the self-charging variant.

 

Tips to Improve Your Car’s Fuel Efficiency

While choosing a fuel-efficient car is a great start, how you drive and maintain your car significantly affects its fuel consumption. Here are some practical tips to maximise efficiency:

  1. Turn Off the Air Conditioning When Not Needed
    Running the air conditioning puts additional strain on your engine, increasing fuel consumption. Use it sparingly, especially on short trips.
  2. Drive Smoothly
    Avoid sudden acceleration and heavy braking. Maintaining a consistent speed and driving gently can significantly improve fuel economy, especially on motorways.
  3. Avoid Short Trips
    Engines perform best when they’re fully warmed up. Short trips don’t allow the engine to reach optimal efficiency, leading to higher fuel consumption.
  4. Check Tire Pressure
    Under-inflated tires increase rolling resistance, which can reduce fuel efficiency. Regularly check and maintain your tires at the manufacturer-recommended pressure.
  5. Remove Excess Weight
    Carrying unnecessary weight or keeping roof racks installed when not in use can increase drag and reduce fuel economy. Keep your car as light and aerodynamic as possible.
  6. Service Your Car Regularly
    A well-maintained car runs more efficiently. Regular oil changes, air filter replacements, and engine tune-ups can keep your car in top shape.

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With over 20 years in the automotive industry, we have the expertise and knowledge to help you find the perfect car.

Satisfied Customers

We're proud to have delivered over a million happy customers, who trust us to provide honest, reliable advice.

Extensive Network

We work with the majority of automotive brands in the UK, giving you access to the latest models and exclusive deals.