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Prague to Lac de Garde by car: fuel cost, tolls and vignettes 2026

Tchéquie→ Allemagne→ Autriche→ Italie

About 800 km through 4 countries. At today's prices the fuel for one way costs about 112 € with a petrol car or 104 € with a diesel.

Distance800 kmapprox., one way

Petrol 95112 €7 l/100 km

Diesel104 €6 l/100 km

Round trip225 €fuel only

Where to fill up: petrol is cheapest in Tchéquie (1,859 €/l). Allemagne is the most expensive on this route (2,101 €/l) – a 50-litre tank there costs about 12,10 € more. Fill up before you cross into Allemagne 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

FuelConsumption l/100 kmDistance km

Country	km	€/l	Litres	Cost
Tchéquie	150	1,859	10,5	19,52 €
Allemagne	320	2,101	22,4	47,06 €
Autriche	115	1,865	8,1	15,01 €
Italie	215	2,037	15,1	30,66 €
Total	800		56,0	112,25 €

Assumes you refuel in each country in proportion to the distance driven there. Station averages from our daily data for Allemagne, Italie. European Commission Weekly Oil Bulletin (week of 12/10/2026) for Tchéquie, Autriche.

Vignettes and tolls on this route

Tchéquie: Vignette required on motorways – from 230 Kč (1 jour). All prices →
Allemagne: No motorway charge for cars.
Autriche: Vignette required on motorways – from 9,60 € (1 jour). Extra section tolls apply on the Brenner (A13), Tauern (A10), Pyhrn (A9) and Karawanken (A11) routes. All prices →
Italie: Distance-based motorway tolls, paid at toll booths or electronically. How it works →

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 Prague to Lac de Garde?

For about 800 km a petrol car using 7 l/100 km needs about 56 litres, costing about 112 €; a diesel car using 6 l/100 km about 104 €. One way, at current national average prices.

Where is fuel cheapest between Prague and Lac de Garde?

Petrol is cheapest in Tchéquie (1,859 €/l) and diesel in Tchéquie (1,921 €/l); the most expensive is Allemagne (2,101 €/l).

Do I need a vignette from Prague to Lac de Garde?

Yes – for Tchéquie, Autriche. Buy it online from the official seller before you cross the border.

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