What it costs to charge a 2027 BMW iX3 50 xDrive (22 inch Summer Tires) in Idaho

At Idaho's residential electricity rate of 12.8¢/kWh, a 2027 BMW iX3 50 xDrive (22 inch Summer Tires) (rated 32.5 kWh per 100 miles by the EPA) costs $4.16 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 74.1% cheaper per mile than gasoline in Idaho — charging at home costs a fraction of what gas would here.

What a year of driving costs

Home charging this 2027 BMW iX3 50 xDrive (22 inch Summer Tires) in Idaho runs about $623 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,780 saved annually, at this mileage.

What one full charge costs

$16.29 — that's what Idaho's 12.8¢/kWh rate puts on the 127.3 kWh a 2027 BMW iX3 50 xDrive (22 inch Summer Tires) needs for its full 392-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW iX3 50 xDrive (22 inch Summer Tires) in Idaho ranks 1,298 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW iX3 50 xDrive (22 inch Summer Tires) ranks 100 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.

Before you install a home charger in Idaho

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 Idaho electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 BMW iX3 50 xDrive (22 inch Summer Tires)'s cost in Idaho. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.