Montana home charging cost for the 2027 BMW i5 xDrive40 Sedan (21 inch Wheels)

In Montana, home electricity runs 13.77¢/kWh — put a 2027 BMW i5 xDrive40 Sedan (21 inch Wheels)'s EPA-rated 36.5 kWh/100mi against that and 100 miles costs $5.03, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 68.6% less than gas per mile, here specifically.

2027 BMW i5 xDrive40 Sedan (21 inch Wheels): yearly cost in Montana

At fueleconomy.gov's default of 15,000 annual miles, the 2027 BMW i5 xDrive40 Sedan (21 inch Wheels) costs roughly $754 a year to charge at home in Montana, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,649 a year.

Filling up the 2027 BMW i5 xDrive40 Sedan (21 inch Wheels), in dollars

Covering the 2027 BMW i5 xDrive40 Sedan (21 inch Wheels)'s EPA-rated 262-mile range takes about 95.6 kWh, which costs about $13.17 at Montana's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 4,667 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i5 xDrive40 Sedan (21 inch Wheels) alone ranks 176 of 400 models for efficiency; Montana alone ranks 10 of 51 states for electricity price.

Before you install a home charger in Montana

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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Montana's 13.77¢/kWh rate ranks 10 of 51 states; the state rate guide lays out the full spread.