How Much Does It Cost to Drive 100 Miles?
At the current US average gas price of $3.50/gallon, driving 100 miles costs between $6.36 (plug-in hybrid, 55 MPG) and $23.33 (large truck, 15 MPG), depending on your vehicle.
| Vehicle Type | MPG | Gallons | One-Way Cost | Round Trip | Cost/Mile |
|---|---|---|---|---|---|
| Large truck / RV | 15 | 6.7 | $23.33 | $46.67 | $0.23 |
| Full-size pickup | 18 | 5.6 | $19.44 | $38.89 | $0.19 |
| SUV | 20 | 5.0 | $17.50 | $35.00 | $0.18 |
| Minivan | 22 | 4.5 | $15.91 | $31.82 | $0.16 |
| Midsize sedan | 25 | 4.0 | $14.00 | $28.00 | $0.14 |
| Compact car | 30 | 3.3 | $11.67 | $23.33 | $0.12 |
| Efficient car | 35 | 2.9 | $10.00 | $20.00 | $0.10 |
| Hybrid | 45 | 2.2 | $7.78 | $15.56 | $0.08 |
| Plug-in hybrid | 55 | 1.8 | $6.36 | $12.73 | $0.06 |
Frequently Asked Questions
How much gas do I need for 100 miles?
At 25 MPG: 4.0 gallons ($14.00). At 35 MPG: 2.9 gallons ($10.00). At 18 MPG (truck): 5.6 gallons ($19.44).
Wondering how long it takes to drive 100 miles? Use our Speed to Time Calculator.
Other Trip Distances
- Cost to drive 200 miles — $28.00 at 25 MPG
- Cost to drive 300 miles — $42.00 at 25 MPG
- Cost to drive 500 miles — $70.00 at 25 MPG
- Cost to drive 750 miles — $105.00 at 25 MPG
- Cost to drive 1,000 miles — $140.00 at 25 MPG
- Cost to drive 1,500 miles — $210.00 at 25 MPG
- Cost to drive 2,000 miles — $280.00 at 25 MPG
Gas Trip Cost Calculator — calculate with your exact MPG and gas price
Based on US average gas price of $3.50/gal (2026-08-11). Actual cost varies by local price and driving conditions.