US Road Fuel Cost Estimator
Phoenix → San Antonio
How much petrol or diesel does it cost to drive from Phoenix 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 184 | USD 918 | USD 1,835 | USD 4,038 |
Car / SUV Regular | USD 612 | USD 3,059 | USD 6,118 | USD 13,459 |
Van / MPV Diesel | USD 1,024 | USD 5,122 | USD 10,244 | USD 22,537 |
Lorry Diesel | USD 1,844 | USD 9,220 | USD 18,440 | USD 40,567 |
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 183.53 | USD 207.15 | — | — | USD 183.53 |
| Car / SUV | 12 | USD 611.76 | USD 690.51 | — | — | USD 611.76 |
| Van / MPV | 9 | USD 815.68 | — | — | USD 1024.42 | USD 1024.42 |
| Lorry | 5 | — | — | — | USD 1843.95 | USD 1843.95 |
"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: Phoenix to San Antonio
How far is Phoenix to San Antonio?
The highway distance from Phoenix to San Antonio is approximately 1635 km. The estimated driving time is 21h 48m under normal highway conditions.
How much petrol does a car use from Phoenix to San Antonio?
A typical car with 12 km/L mileage uses approximately 136.3 litres of petrol. At today's Regular price (USD 4.49/L), that costs USD 611.76.
How much does a lorry spend on diesel from Phoenix to San Antonio?
A lorry averaging 5 km/L needs about 327.0 litres of diesel for this route. At USD 5.64/L, the fuel cost is USD 1843.95 one-way.
What is the toll charge from Phoenix 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 Phoenix to San Antonio?
A motorcycle averaging 40 km/L uses about 40.9 litres. At today's Regular price, that's USD 183.53, 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 181.7 litres, costing USD 1024.42 in fuel. Add the USD 0.00 toll for a total one-way cost of approximately USD 1024.42.
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