US Road Fuel Cost Estimator
San Antonio → Dallas
How much petrol or diesel does it cost to drive from San Antonio to Dallas? 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 55 | USD 274 | USD 548 | USD 1,205 |
Car / SUV Regular | USD 183 | USD 913 | USD 1,826 | USD 4,017 |
Van / MPV Diesel | USD 306 | USD 1,529 | USD 3,058 | USD 6,727 |
Lorry Diesel | USD 550 | USD 2,752 | USD 5,504 | USD 12,108 |
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 54.78 | USD 61.83 | — | — | USD 54.78 |
| Car / SUV | 12 | USD 182.59 | USD 206.10 | — | — | USD 182.59 |
| Van / MPV | 9 | USD 243.46 | — | — | USD 305.76 | USD 305.76 |
| Lorry | 5 | — | — | — | USD 550.37 | USD 550.37 |
"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: San Antonio to Dallas
How far is San Antonio to Dallas?
The highway distance from San Antonio to Dallas is approximately 488 km. The estimated driving time is 6h 30m under normal highway conditions.
How much petrol does a car use from San Antonio to Dallas?
A typical car with 12 km/L mileage uses approximately 40.7 litres of petrol. At today's Regular price (USD 4.49/L), that costs USD 182.59.
How much does a lorry spend on diesel from San Antonio to Dallas?
A lorry averaging 5 km/L needs about 97.6 litres of diesel for this route. At USD 5.64/L, the fuel cost is USD 550.37 one-way.
What is the toll charge from San Antonio to Dallas?
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 San Antonio to Dallas?
A motorcycle averaging 40 km/L uses about 12.2 litres. At today's Regular price, that's USD 54.78, 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 54.2 litres, costing USD 305.76 in fuel. Add the USD 0.00 toll for a total one-way cost of approximately USD 305.76.
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