What it costs to charge a 2027 Cadillac OPTIQ AWD V SERIES 19kW Charger in Montana

In Montana, home electricity runs 13.77¢/kWh — put a 2027 Cadillac OPTIQ AWD V SERIES 19kW Charger's EPA-rated 41 kWh/100mi against that and 100 miles costs $5.65, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 64.8% cheaper per mile than gasoline in Montana — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 Cadillac OPTIQ AWD V SERIES 19kW Charger in Montana runs about $847 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,556 saved annually, at this mileage.

Filling up the 2027 Cadillac OPTIQ AWD V SERIES 19kW Charger, in dollars

$14.11 — that's what Montana's 13.77¢/kWh rate puts on the 102.5 kWh a 2027 Cadillac OPTIQ AWD V SERIES 19kW Charger needs for its full 250-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Cadillac OPTIQ AWD V SERIES 19kW Charger in Montana ranks 7,627 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ AWD V SERIES 19kW Charger ranks 282 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. Montana's 13.77¢/kWh rate ranks 10 of 51 states; the state rate guide lays out the full spread.