What it costs to charge a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Oklahoma

In Oklahoma, home electricity runs 13.37¢/kWh — put a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels)'s EPA-rated 33.4 kWh/100mi against that and 100 miles costs $4.47, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 72.1% cheaper per mile than gasoline in Oklahoma — charging at home costs a fraction of what gas would here.

What a year of driving costs

Home charging this 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Oklahoma runs about $670 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,733 saved annually, at this mileage.

What one full charge costs

$12.82 — that's what Oklahoma's 13.37¢/kWh rate puts on the 95.9 kWh a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) needs for its full 287-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Oklahoma ranks 2,343 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 xDrive40 Gran Coupe (18 inch Wheels) ranks 114 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.

Before you install a home charger in Oklahoma

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.

Get quotes from local electricians for Level 2 charger installation in Oklahoma before deciding.

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.