Vehicle Guides
Subaru MPG Guides — Real-World Fuel Economy
Real-world fuel economy and annual running costs for all 3 Subaru models. Official WLTP figures adjusted for UK driving conditions — typically 12% lower than lab results.
3
Subaru models
32–36
Real-world MPG range
£1278
Cheapest annual fuel cost
£1438
Highest annual fuel cost
All Subaru models — sorted by fuel efficiency
Frequently asked questions
Which Subaru is most fuel efficient?
The most fuel-efficient Subaru in our database is the Subaru Impreza, achieving approximately 36 MPG in real-world UK driving conditions.
What is the cheapest Subaru to run on fuel?
The cheapest Subaru to run on fuel at the current UK average annual mileage of 7,400 miles costs approximately £1278 per year. The most fuel-efficient variant is the Subaru Impreza.
What MPG does a Subaru get in real-world driving?
Subaru models achieve between 32 and 36 MPG in real-world UK driving, depending on the model and engine. Official WLTP figures are typically 12% higher than real-world results due to laboratory test conditions.
How much does it cost to fill a Subaru?
Subaru fuel tank sizes range from 60L to 60L depending on the model. At the current UK average petrol price of 136.8p/litre, a full tank costs between £82 and £82.
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