2026 BMW i4 xDrive40 Gran Coupe (19"), ID Charging Cost
Charging a 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) at home in Idaho
A 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) draws 36 kWh per 100 miles per the EPA; at Idaho's 12.8¢/kWh residential rate that's $4.61 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 71.2% cheaper per mile than gasoline in Idaho, charging at home costs a fraction of what gas would here.
2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels): yearly cost in Idaho
Idaho owners putting 15,000 annual miles on a 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) spend about $691 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,712 saved annually, at this mileage.
Cost of a full charge
At Idaho's rate, fully covering this 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels)'s 268-mile EPA range costs about $12.34 (96.4 kWh), the energy the EPA test actually used, not the battery's rated size.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) in Idaho ranks 2,827 for cost savings versus gas, 1 being the best deal nationally. Separately, the BMW i4 xDrive40 Gran Coupe (19 inch Wheels) ranks 167 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.
Next step: home charger installation
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.
Line up a few Idaho electrician quotes for Level 2 install before you commit either way.
More on how this number was built
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.