What it costs to charge a 2027 Hyundai Ioniq 5 RWD in Montana

At Montana's residential electricity rate of 13.77¢/kWh, a 2027 Hyundai Ioniq 5 RWD (rated 30 kWh per 100 miles by the EPA) costs $4.13 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 74.2% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.

2027 Hyundai Ioniq 5 RWD: yearly cost in Montana

Home charging this 2027 Hyundai Ioniq 5 RWD in Montana runs about $620 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,783 saved annually, at this mileage.

Filling up the 2027 Hyundai Ioniq 5 RWD, in dollars

$13.14 — that's what Montana's 13.77¢/kWh rate puts on the 95.4 kWh a 2027 Hyundai Ioniq 5 RWD needs for its full 318-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Hyundai Ioniq 5 RWD in Montana ranks 1,265 for cost savings versus gas — 1 being the best deal nationally. Separately, the Hyundai Ioniq 5 RWD ranks 55 of 400 EV models for raw efficiency, and Montana ranks 10 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Ask a licensed Montana electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 13.77¢/kWh, Montana sits in the middle of the national range — the guide to why charging cost varies by state shows where.