Idaho home charging cost for the 2027 BMW i5 xDrive40 Sedan (20 inch Wheels)

A 2027 BMW i5 xDrive40 Sedan (20 inch Wheels) draws 35 kWh per 100 miles per the EPA; at Idaho's 12.8¢/kWh residential rate that's $4.48 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 72% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 BMW i5 xDrive40 Sedan (20 inch Wheels) costs roughly $672 a year to charge at home in Idaho, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,731 a year.

Filling up the 2027 BMW i5 xDrive40 Sedan (20 inch Wheels), in dollars

Covering the 2027 BMW i5 xDrive40 Sedan (20 inch Wheels)'s EPA-rated 273-mile range takes about 95.6 kWh, which costs about $12.24 at Idaho's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2027 BMW i5 xDrive40 Sedan (20 inch Wheels) in Idaho, ranked

This combination ranks 2,388 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i5 xDrive40 Sedan (20 inch Wheels) alone ranks 149 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.

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

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.