What it costs to charge a 2027 Vinfast VF 7 Plus in Montana

At Montana's residential electricity rate of 13.77¢/kWh, a 2027 Vinfast VF 7 Plus (rated 44.4 kWh per 100 miles by the EPA) costs $6.11 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 61.9% cheaper per mile than gasoline in Montana — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Vinfast VF 7 Plus in Montana runs about $917 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,486 saved annually, at this mileage.

What one full charge costs

$12.77 — that's what Montana's 13.77¢/kWh rate puts on the 92.7 kWh a 2027 Vinfast VF 7 Plus needs for its full 209-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Vinfast VF 7 Plus in Montana ranks 9,902 for cost savings versus gas — 1 being the best deal nationally. Separately, the Vinfast VF 7 Plus ranks 352 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.

Get quotes from local electricians for Level 2 charger installation in Montana before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Vinfast VF 7 Plus's cost in Montana. Curious how Montana's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.