US Road Fuel Cost Estimator
Chicago → San Antonio
How much petrol or diesel does it cost to drive from Chicago to San Antonio? 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 228 | USD 1,141 | USD 2,282 | USD 5,020 |
Car / SUV Regular | USD 761 | USD 3,803 | USD 7,607 | USD 16,735 |
Van / MPV Diesel | USD 1,274 | USD 6,369 | USD 12,738 | USD 28,023 |
Lorry Diesel | USD 2,293 | USD 11,464 | USD 22,928 | USD 50,442 |
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 228.20 | USD 257.58 | — | — | USD 228.20 |
| Car / SUV | 12 | USD 760.68 | USD 858.60 | — | — | USD 760.68 |
| Van / MPV | 9 | USD 1014.24 | — | — | USD 1273.79 | USD 1273.79 |
| Lorry | 5 | — | — | — | USD 2292.82 | USD 2292.82 |
"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: Chicago to San Antonio
How far is Chicago to San Antonio?
The highway distance from Chicago to San Antonio is approximately 2033 km. The estimated driving time is 27h 6m under normal highway conditions.
How much petrol does a car use from Chicago to San Antonio?
A typical car with 12 km/L mileage uses approximately 169.4 litres of petrol. At today's Regular price (USD 4.49/L), that costs USD 760.68.
How much does a lorry spend on diesel from Chicago to San Antonio?
A lorry averaging 5 km/L needs about 406.6 litres of diesel for this route. At USD 5.64/L, the fuel cost is USD 2292.82 one-way.
What is the toll charge from Chicago to San Antonio?
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 Chicago to San Antonio?
A motorcycle averaging 40 km/L uses about 50.8 litres. At today's Regular price, that's USD 228.20, 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 225.9 litres, costing USD 1273.79 in fuel. Add the USD 0.00 toll for a total one-way cost of approximately USD 1273.79.
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