Charging a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) at home in Oklahoma
In Oklahoma, home electricity runs 13.37¢/kWh — put a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels)'s EPA-rated 31.1 kWh/100mi against that and 100 miles costs $4.16, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 74% cheaper per mile than gasoline in Oklahoma — charging at home costs a fraction of what gas would here.
2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels): yearly cost in Oklahoma
Oklahoma owners putting 15,000 annual miles on a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) spend about $624 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,779 saved annually, at this mileage.
Cost of a full charge
At Oklahoma's rate, fully covering this 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels)'s 307-mile EPA range costs about $12.76 (95.5 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 (19 inch Wheels) in Oklahoma ranks 1,376 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 eDrive40 Gran Coupe (19 inch Wheels) ranks 77 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) at home
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 Oklahoma 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. Oklahoma is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.