EV vs Gas in South Dakota: Yearly Cost (2026)
An electric car in South Dakota costs about $866 a year to run, including the $100 state EV fee, compared with $1,658 of gas for a 30 mpg car – the EV saves about $792 a year (17 of 51 for EV savings).
12,000 mi/yr, 3.5 mi/kWh, 85% home charging at 15.37¢/kWh, gas $4.15/gal (Midwest (PADD 2) average). Change any number below.
South Dakota EV registration fee
| Battery-electric (BEV) | $100.00 / year |
| Plug-in hybrid (PHEV) | None |
Raised from $50 to $100 in 2026; check the effective date with the state.
Source: www.ncsl.org, checked October 24, 2026. This fee is indexed or recently changed – confirm the current amount with your state DMV before relying on it.
Charging at home vs public chargers
Charging only at home, the EV would cost about $686 a year in South Dakota. Every 10% of miles moved to public fast chargers (about $0.48/kWh) adds roughly $120 a year. See the cost per charge for popular models in EV charging cost in South Dakota.
Nearby states
Frequently asked questions
Is an EV cheaper than gas in South Dakota?
Yes. Driving 12,000 miles a year, an EV costs about $866 ($766 of electricity plus the $100 state EV fee) versus $1,658 of gas for a 30 mpg car – a difference of $792 a year.
How much is the EV registration fee in South Dakota?
$100.00 a year for a battery-electric vehicle; plug-in hybrids do not pay it, on top of normal registration. Raised from $50 to $100 in 2026; check the effective date with the state.
What gas price makes an EV and a gas car cost the same in South Dakota?
About $2.17 a gallon for a 30 mpg car, counting charging and the EV fee. Gas is currently $4.15 (Midwest (PADD 2) average).
Electricity: EIA Electric Power Monthly (July 2026). Gasoline: EIA weekly retail prices, week of 2026-10-19. Estimates only; excludes purchase price, insurance and maintenance.