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Tolosa to Barcellona by car: fuel cost, tolls and vignettes 2026

Francia→ Spagna

About 350 km through 2 countries. At today's prices the fuel for one way costs about 49 € with a petrol car or 45 € with a diesel.

Distance350 kmapprox., one way
Petrol 9549 €7 l/100 km
Diesel45 €6 l/100 km
Round trip97 €fuel only
Where to fill up: petrol is cheapest in Spagna (1,764 €/l). Francia is the most expensive on this route (2,144 €/l) – a 50-litre tank there costs about 19,00 € more. Fill up before you cross into Francia and buy only what you need there. Motorway service stations are usually the most expensive – leaving the motorway for a few minutes often saves 10–20 cents per litre.

Fuel cost by country

Countrykm€/lLitresCost
Francia2002,14414,030,02 €
Spagna1501,76410,518,53 €
Total35024,548,54 €

Assumes you refuel in each country in proportion to the distance driven there. Station averages from our daily data for Francia, Spagna.

Vignettes and tolls on this route

Cars up to 3.5 t. Buy vignettes only from the official sellers – unofficial sites add large fees.

Questions

How much does fuel cost from Tolosa to Barcellona?

For about 350 km a petrol car using 7 l/100 km needs about 25 litres, costing about 49 €; a diesel car using 6 l/100 km about 45 €. One way, at current national average prices.

Where is fuel cheapest between Tolosa and Barcellona?

Petrol is cheapest in Spagna (1,764 €/l) and diesel in Spagna (1,887 €/l); the most expensive is Francia (2,144 €/l).

Do I need a vignette from Tolosa to Barcellona?

No vignette is needed on this route; some countries charge distance-based tolls.

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Distances are approximate and follow the usual motorway route; your navigation may differ. Prices are national averages and change daily.