Gas prices · TN
Tennessee gas prices & trip fuel cost
Our working baseline for Tennessee is $3.00 per gallon of regular and $3.60 for diesel. Use it to size up a drive, then fine-tune with the exact pump price you see on the day.
Cost to drive 100 miles in Tennessee
| Vehicle MPG | 100 miles | 250 miles | 500 miles |
|---|---|---|---|
| 18 MPG | $16.67 | $41.67 | $83.33 |
| 22 MPG | $13.64 | $34.09 | $68.18 |
| 25 MPG | $12.00 | $30.00 | $60.00 |
| 30 MPG | $10.00 | $25.00 | $50.00 |
| 35 MPG | $8.57 | $21.43 | $42.86 |
| 45 MPG | $6.67 | $16.67 | $33.33 |
Popular Tennessee road trips
Fuel figures on this page are modelled estimates built from published EPA combined MPG ratings and curated regional pump-price baselines. They are not live station quotes — always confirm the price at the pump before you travel.