2027 BMW iX3 50 xDrive (22 inch Summer Tires): home charging cost in Montana

In Montana, home electricity runs 13.77¢/kWh — put a 2027 BMW iX3 50 xDrive (22 inch Summer Tires)'s EPA-rated 32.5 kWh/100mi against that and 100 miles costs $4.47, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 72.1% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 BMW iX3 50 xDrive (22 inch Summer Tires) charged at home in Montana costs about $671/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,732 a year.

What one full charge costs

A 2027 BMW iX3 50 xDrive (22 inch Summer Tires) needs roughly 127.3 kWh to reach its EPA-rated 392-mile range, which runs about $17.52 at 13.77¢/kWh in Montana.

How this compares nationally

This combination ranks 2,325 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW iX3 50 xDrive (22 inch Summer Tires) alone ranks 100 of 400 models for efficiency; Montana alone ranks 10 of 51 states for electricity price.

Next step: home charger installation

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Line up a few Montana electrician quotes for Level 2 install before you commit either way.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 BMW iX3 50 xDrive (22 inch Summer Tires)'s cost in Montana. Montana's 13.77¢/kWh rate ranks 10 of 51 states; the state rate guide lays out the full spread.