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Prague to Lake Garda by car: fuel cost, tolls and vignettes 2026

Czech Republic→ Germany→ Austria→ Italy

About 800 km through 4 countries. At today's prices the fuel for one way costs about €113 with a petrol car or €105 with a diesel.

Distance800 kmapprox., one way

Petrol 95€1137 l/100 km

Diesel€1056 l/100 km

Round trip€226fuel only

Where to fill up: petrol is cheapest in Czech Republic (€1.859/l). Germany is the most expensive on this route (€2.125/l) – a 50-litre tank there costs about €13.30 more. Fill up before you cross into Germany 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
Czech Republic	150	1.859	10.5	€19.52
Germany	320	2.125	22.4	€47.60
Austria	115	1.865	8.1	€15.01
Italy	215	2.037	15.1	€30.66
Total	800		56.0	€112.80

Assumes you refuel in each country in proportion to the distance driven there. Station averages from our daily data for Germany, Italy. European Commission Weekly Oil Bulletin (week of 21 Sep 2026) for Czech Republic, Austria.

Vignettes and tolls on this route

Czech Republic: Vignette required on motorways – from 230 Kč (1 day). All prices →
Germany: No motorway charge for cars.
Austria: Vignette required on motorways – from €9.60 (1 day). Extra section tolls apply on the Brenner (A13), Tauern (A10), Pyhrn (A9) and Karawanken (A11) routes. All prices →
Italy: 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 Lake Garda?

For about 800 km a petrol car using 7 l/100 km needs about 56 litres, costing about €113; a diesel car using 6 l/100 km about €105. One way, at current national average prices.

Where is fuel cheapest between Prague and Lake Garda?

Petrol is cheapest in Czech Republic (€1.859/l) and diesel in Czech Republic (€1.921/l); the most expensive is Germany (€2.125/l).

Do I need a vignette from Prague to Lake Garda?

Yes – for Czech Republic, Austria. 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.