2027 BMW iX3 50 xDrive (21 inch All-Season Tires): home charging cost in Idaho
In Idaho, home electricity runs 12.8¢/kWh — put a 2027 BMW iX3 50 xDrive (21 inch All-Season Tires)'s EPA-rated 32.2 kWh/100mi against that and 100 miles costs $4.12, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 74.3% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 BMW iX3 50 xDrive (21 inch All-Season Tires) charged at home in Idaho costs about $618/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,785 a year.
What one full charge costs
A 2027 BMW iX3 50 xDrive (21 inch All-Season Tires) needs roughly 128.5 kWh to reach its EPA-rated 399-mile range, which runs about $16.45 at 12.8¢/kWh in Idaho.
2027 BMW iX3 50 xDrive (21 inch All-Season Tires) in Idaho, ranked
This combination ranks 1,220 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW iX3 50 xDrive (21 inch All-Season Tires) alone ranks 96 of 400 models for efficiency; Idaho alone ranks 3 of 51 states for electricity price.
Before you install a home charger in Idaho
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.
Get quotes from local electricians for Level 2 charger installation in Idaho before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.