US Road Fuel Cost Estimator
Seattle → Austin
How much petrol or diesel does it cost to drive from Seattle to Austin? Breakdown by vehicle type using today's United States fuel prices, updated from the datasource.
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Fuel Cost by Vehicle Type
Select your vehicle to see the detailed fuel breakdown for this route. Prices as of May 11, 2026.
Monthly Fleet Fuel Cost
Running this route regularly? Estimated one-way fuel cost per month, by trip frequency. Figures use primary fuel for each vehicle type (toll excluded).
| Vehicle | 1×/month | 5×/month | 10×/month | 22×/month |
|---|---|---|---|---|
Motorcycle Regular | USD 384 | USD 1,918 | USD 3,836 | USD 8,438 |
Car / SUV Regular | USD 1,279 | USD 6,393 | USD 12,785 | USD 28,128 |
Van / MPV Diesel | USD 2,141 | USD 10,705 | USD 21,409 | USD 47,101 |
Lorry Diesel | USD 3,854 | USD 19,268 | USD 38,537 | USD 84,781 |
Add USD 0.00 toll per one-way trip to get total trip cost per journey.
Full Fuel Cost Comparison
All vehicle types × all fuel types for this route.
| Vehicle | km/L | Regular | Midgrade | Premium | Diesel | Fuel + Toll |
|---|---|---|---|---|---|---|
| Motorcycle | 40 | USD 383.56 | USD 432.93 | — | — | USD 383.56 |
| Car / SUV | 12 | USD 1278.53 | USD 1443.11 | — | — | USD 1278.53 |
| Van / MPV | 9 | USD 1704.70 | — | — | USD 2140.94 | USD 2140.94 |
| Lorry | 5 | — | — | — | USD 3853.69 | USD 3853.69 |
"Fuel + Toll" uses the primary fuel type for each vehicle. Toll is one-way estimate.
Today's Fuel Prices in United States
EIA weekly retail fuel prices used in all calculations above
Last updated: May 11, 2026. Prices are sourced from EIA weekly retail fuel prices.
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Common Questions: Seattle to Austin
How far is Seattle to Austin?
The highway distance from Seattle to Austin is approximately 3417 km. The estimated driving time is 45h 34m under normal highway conditions.
How much petrol does a car use from Seattle to Austin?
A typical car with 12 km/L mileage uses approximately 284.8 litres of petrol. At today's Regular price (USD 4.49/L), that costs USD 1278.53.
How much does a lorry spend on diesel from Seattle to Austin?
A lorry averaging 5 km/L needs about 683.4 litres of diesel for this route. At USD 5.64/L, the fuel cost is USD 3853.69 one-way.
What is the toll charge from Seattle to Austin?
The estimated one-way toll on this highway route is approximately USD 0.00. US tolls are state- and corridor-specific. Route-level estimates are kept at zero and the pages point to FHWA toll-facility references.
How much does a motorcycle spend on fuel from Seattle to Austin?
A motorcycle averaging 40 km/L uses about 85.4 litres. At today's Regular price, that's USD 383.56, making it the most fuel-efficient option for this route.
What is the total cost (fuel + toll) for a delivery van on this route?
A delivery van using diesel at 9 km/L needs 379.7 litres, costing USD 2140.94 in fuel. Add the USD 0.00 toll for a total one-way cost of approximately USD 2140.94.
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