USA › Road trip gas calculator › Phoenix to Tucson
Phoenix to Tucson: gas cost
About 115 miles one way. Fuel cost at this week’s average regular price in West Coast excluding California: $4.771 per gallon (EIA, week of Nov 2, 2026).
Fuel cost by vehicle
| Vehicle | MPG | Gallons | One way | Round trip |
|---|---|---|---|---|
| Compact car | 35 | 3.3 | $15.68 | $31.35 |
| Midsize sedan | 30 | 3.8 | $18.29 | $36.58 |
| SUV / crossover | 24 | 4.8 | $22.86 | $45.72 |
| Pickup truck | 18 | 6.4 | $30.48 | $60.96 |
💡 A short I-10 drive – Arizona gas is typically cheaper than California’s.
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FAQ
How much does it cost to drive from Phoenix to Tucson?
At about 115 miles and this week’s average of $4.771 per gallon (West Coast excluding California), a car averaging 30 MPG uses about 3.8 gallons – roughly $18.29 one way or $36.58 round trip.
How many gallons of gas from Phoenix to Tucson?
About 3.3 gallons for a 35 MPG car, 4.8 for a 24 MPG SUV and 6.4 for an 18 MPG pickup.
Gas prices by state this week → · Gas price history → · More calculators →
Distances are approximate driving distances. Gas prices: U.S. Energy Information Administration weekly averages for regular gasoline; actual prices along the route vary.