EV vs gas cost in Tn
Current fuel prices: $3.94/gal gasoline (PADD 2 (Midwest), week of 2026-08-31) and 14.07¢/kWh residential electricity (2026-06). Typical EV: 37 kWh/100mi.
Monthly fuel cost — 1,000 miles
Typical EV (home charging)
$52
$0.052/mi
25 MPG gas car
$158
$0.158/mi
30 MPG gas car
$131
$0.131/mi
35 MPG gas car
$113
$0.113/mi
Yearly savings with an EV in Tn
| Compared to | Fuel for 12,000 mi/yr | EV fuel for 12,000 mi/yr | Yearly saving |
|---|---|---|---|
| 25 MPG gas car | $1,890 | $625 | $1,266 |
| 30 MPG gas car | $1,575 | $625 | $950 |
| 35 MPG gas car | $1,350 | $625 | $725 |
Tn fuel FAQ
Is an EV actually cheaper to fuel in Tn?
Yes. At $3.94/gal, a 30 MPG car costs $0.131 per mile in gas, while a typical EV costs $0.052 per mile charged at home (14.07¢/kWh). That's roughly $0.079 saved per mile — about $950 per year at 12,000 miles.
How much gas does the average driver use in Tn?
At 1,000 miles/month in a 30 MPG car, 33 gallons/month (400 gallons/year). The same miles in a typical EV use 370 kWh/month of electricity.
Is Tn gas expensive compared to other states?
Tn ranks #25 of 51 (1 = cheapest gas). The national spread runs from Texas at $3.69 to California at $5.63 per gallon. The higher your gas price, the faster an EV pays for its price premium.