2027 BMW iX3 50 xDrive (20 inch All-Season Tires): home charging cost in Montana

In Montana, home electricity runs 13.77¢/kWh — put a 2027 BMW iX3 50 xDrive (20 inch All-Season Tires)'s EPA-rated 33.1 kWh/100mi against that and 100 miles costs $4.56, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 71.5% 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 (20 inch All-Season Tires) charged at home in Montana costs about $684/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,719 a year.

Cost of a full charge

A 2027 BMW iX3 50 xDrive (20 inch All-Season Tires) needs roughly 126.8 kWh to reach its EPA-rated 383-mile range, which runs about $17.46 at 13.77¢/kWh in Montana.

2027 BMW iX3 50 xDrive (20 inch All-Season Tires) in Montana, ranked

This combination ranks 2,667 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW iX3 50 xDrive (20 inch All-Season Tires) alone ranks 112 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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 BMW iX3 50 xDrive (20 inch All-Season 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.