How Much Does Fuel Cost for a 500-Mile Road Trip?
The Short Answer
A 500-mile trip costs approximately $55-$85 in fuel depending on your vehicle's MPG and local gas prices. A car getting 30 MPG at $3.50/gallon would cost about $58.
The Detailed Breakdown
Fuel cost calculated as (distance / MPG) x price per gallon.
| Calculation | Value | Assumptions |
|---|---|---|
| Total Fuel Cost | $58.33 | 500 miles / 30 MPG x $3.50/gal |
| Gallons Needed | 16.7 gallons | 500 miles at 30 MPG |
| Cost Per Mile | $0.117 | Fuel cost only, excludes wear and tear |
Key Assumptions
- Average gas price of $3.50 per gallon (US average early 2026).
- Vehicle fuel economy of 30 MPG (highway driving).
- Does not include tolls, food, or vehicle wear costs.
Adjust for Your Situation
Budget about $58 each way for a 500-mile trip in an average sedan at current gas prices.
Use the Free CalculatorWhat Affects This Result
Vehicle Type
SUVs at 20 MPG cost 50% more than sedans at 30 MPG for the same trip.
Driving Speed
Every 5 mph over 50 reduces fuel economy by about 7%.
Gas Prices by Region
Gas prices can vary by $1+ per gallon between states.