2027 BMW i5 eDrive40 Sedan (21"), ID Charging Cost
Idaho home charging cost for the 2027 BMW i5 eDrive40 Sedan (21 inch Wheels)
At Idaho's residential electricity rate of 12.8¢/kWh, a 2027 BMW i5 eDrive40 Sedan (21 inch Wheels) (rated 33.9 kWh per 100 miles by the EPA) costs $4.33 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. Charging at home costs a fraction of what gas would here: 72.9% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
At fueleconomy.gov's default of 15,000 annual miles, the 2027 BMW i5 eDrive40 Sedan (21 inch Wheels) costs roughly $650 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 $1,753 a year.
What one full charge costs
Covering the 2027 BMW i5 eDrive40 Sedan (21 inch Wheels)'s EPA-rated 280-mile range takes about 94.8 kWh, which costs about $12.14 at Idaho's residential rate, figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 1,868 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i5 eDrive40 Sedan (21 inch Wheels) alone ranks 120 of 400 models for efficiency; Idaho alone ranks 3 of 51 states for electricity price.
Getting set up to charge a 2027 BMW i5 eDrive40 Sedan (21 inch Wheels) at home
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
Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. 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.