Charging a 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) at home in Mississippi

At Mississippi's residential electricity rate of 15.35¢/kWh, a 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) (rated 28.5 kWh per 100 miles by the EPA) costs $4.38 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 72.7% cheaper per mile than gasoline in Mississippi — charging at home costs a fraction of what gas would here.

What a year of driving costs

Mississippi owners putting 15,000 annual miles on a 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) spend about $657 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,746 saved annually, at this mileage.

Cost of a full charge

At Mississippi's rate, fully covering this 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels)'s 333-mile EPA range costs about $14.58 (95 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) in Mississippi ranks 1,967 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 eDrive40 Gran Coupe (18 inch wheels) ranks 31 of 400 EV models for raw efficiency, and Mississippi ranks 22 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 Mississippi electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Mississippi's 15.35¢/kWh rate ranks 22 of 51 states; the state rate guide lays out the full spread.