Vehicle Guides
Porsche MPG Guides — Real-World Fuel Economy
Real-world fuel economy and annual running costs for all 7 Porsche models. Official WLTP figures adjusted for UK driving conditions — typically 12% lower than lab results.
7
Porsche models
16–30
Real-world MPG range
£1534
Cheapest annual fuel cost
£2876
Highest annual fuel cost
All Porsche models — sorted by fuel efficiency
Porsche Boxster(convertible)
Porsche Panamera(saloon)
Porsche Cayman(coupe)
Porsche 911(coupe)
Porsche Macan(suv)
Porsche Cayenne(suv)
Porsche 928(coupe)
Frequently asked questions
Which Porsche is most fuel efficient?
The most fuel-efficient Porsche in our database is the Porsche Boxster, achieving approximately 30 MPG in real-world UK driving conditions.
What is the cheapest Porsche to run on fuel?
The cheapest Porsche to run on fuel at the current UK average annual mileage of 7,400 miles costs approximately £1534 per year. The most fuel-efficient variant is the Porsche Boxster.
What MPG does a Porsche get in real-world driving?
Porsche models achieve between 16 and 30 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 Porsche?
Porsche fuel tank sizes range from 54L to 86L depending on the model. At the current UK average petrol price of 136.8p/litre, a full tank costs between £74 and £118.
Compare with other makes
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