2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels): home charging cost in Oklahoma

At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) (rated 36 kWh per 100 miles by the EPA) costs $4.81 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: 70% less than gas per mile, here specifically.

2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels): yearly cost in Oklahoma

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) charged at home in Oklahoma costs about $722/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,681 a year.

What one full charge costs

A 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) needs roughly 96.4 kWh to reach its EPA-rated 268-mile range, which runs about $12.89 at 13.37¢/kWh in Oklahoma.

2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) in Oklahoma, ranked

This combination ranks 3,645 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i4 xDrive40 Gran Coupe (19 inch Wheels) alone ranks 167 of 400 models for efficiency; Oklahoma alone ranks 5 of 51 states for electricity price.

Before you install a home charger in Oklahoma

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 Oklahoma before deciding.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.