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Graz to Spalato by car: fuel cost, tolls and vignettes 2026

Austria→ Slovenia→ Croazia

About 550 km through 3 countries. At today's prices the fuel for one way costs about 69 € with a petrol car or 65 € with a diesel.

Distance550 kmapprox., one way

Petrol 9569 €7 l/100 km

Diesel65 €6 l/100 km

Round trip138 €fuel only

Where to fill up: petrol is cheapest in Slovenia (1,718 €/l). Austria is the most expensive on this route (1,865 €/l) – a 50-litre tank there costs about 7,35 € more. Fill up before you cross into Austria 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
Austria	50	1,865	3,5	6,53 €
Slovenia	70	1,718	4,9	8,42 €
Croazia	430	1,803	30,1	54,27 €
Total	550		38,5	69,22 €

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

Vignettes and tolls on this route

Austria: Vignette required on motorways – from 9,60 € (1 giorno). Extra section tolls apply on the Brenner (A13), Tauern (A10), Pyhrn (A9) and Karawanken (A11) routes. All prices →
Slovenia: Vignette required on motorways – from 16,00 € (7 giorni). All prices →
Croazia: Distance-based motorway tolls (toll booths, card or cash; ENC tag optional). No vignette.

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 Graz to Spalato?

For about 550 km a petrol car using 7 l/100 km needs about 39 litres, costing about 69 €; a diesel car using 6 l/100 km about 65 €. One way, at current national average prices.

Where is fuel cheapest between Graz and Spalato?

Petrol is cheapest in Slovenia (1,718 €/l) and diesel in Slovenia (1,934 €/l); the most expensive is Austria (1,865 €/l).

Do I need a vignette from Graz to Spalato?

Yes – for Austria, Slovenia. 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.