Vehicle Guides

Fiat MPG Guides — Real-World Fuel Economy

Real-world fuel economy and annual running costs for all 11 Fiat models. Official WLTP figures adjusted for UK driving conditions — typically 12% lower than lab results.

11

Fiat models

2552

Real-world MPG range

£885

Cheapest annual fuel cost

£1841

Highest annual fuel cost

All Fiat models — sorted by fuel efficiency

Most fuel efficient

Fiat 500

52 MPG

real-world driving

View full guide

Highest running cost

Fiat Coupe

25 MPG

real-world driving

View full guide

Frequently asked questions

Which Fiat is most fuel efficient?

The most fuel-efficient Fiat in our database is the Fiat 500, achieving approximately 52 MPG in real-world UK driving conditions.

What is the cheapest Fiat to run on fuel?

The cheapest Fiat to run on fuel at the current UK average annual mileage of 7,400 miles costs approximately £885 per year. The most fuel-efficient variant is the Fiat 500.

What MPG does a Fiat get in real-world driving?

Fiat models achieve between 25 and 52 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 Fiat?

Fiat fuel tank sizes range from 35L to 63L depending on the model. At the current UK average petrol price of 136.8p/litre, a full tank costs between £48 and £86.

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