US Road Fuel Cost Estimator
Seattle → Phoenix
How much petrol or diesel does it cost to drive from Seattle to Phoenix? 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 242 | USD 1,208 | USD 2,416 | USD 5,314 |
Car / SUV Regular | USD 805 | USD 4,026 | USD 8,052 | USD 17,715 |
Van / MPV Diesel | USD 1,348 | USD 6,742 | USD 13,483 | USD 29,664 |
Lorry Diesel | USD 2,427 | USD 12,135 | USD 24,270 | USD 53,395 |
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 241.56 | USD 272.66 | — | — | USD 241.56 |
| Car / SUV | 12 | USD 805.21 | USD 908.86 | — | — | USD 805.21 |
| Van / MPV | 9 | USD 1073.61 | — | — | USD 1348.35 | USD 1348.35 |
| Lorry | 5 | — | — | — | USD 2427.03 | USD 2427.03 |
"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 Phoenix
How far is Seattle to Phoenix?
The highway distance from Seattle to Phoenix is approximately 2152 km. The estimated driving time is 28h 42m under normal highway conditions.
How much petrol does a car use from Seattle to Phoenix?
A typical car with 12 km/L mileage uses approximately 179.3 litres of petrol. At today's Regular price (USD 4.49/L), that costs USD 805.21.
How much does a lorry spend on diesel from Seattle to Phoenix?
A lorry averaging 5 km/L needs about 430.4 litres of diesel for this route. At USD 5.64/L, the fuel cost is USD 2427.03 one-way.
What is the toll charge from Seattle to Phoenix?
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 Phoenix?
A motorcycle averaging 40 km/L uses about 53.8 litres. At today's Regular price, that's USD 241.56, 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 239.1 litres, costing USD 1348.35 in fuel. Add the USD 0.00 toll for a total one-way cost of approximately USD 1348.35.
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