What it costs to charge a 2026 BMW i7 xDrive60 Sedan (21 inch Wheels) in Delaware

At Delaware's residential electricity rate of 17.74¢/kWh, a 2026 BMW i7 xDrive60 Sedan (21 inch Wheels) (rated 38.8 kWh per 100 miles by the EPA) costs $6.88 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 57.1% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2026 BMW i7 xDrive60 Sedan (21 inch Wheels) in Delaware runs about $1,032 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,371 saved annually, at this mileage.

Cost of a full charge

$21.18 — that's what Delaware's 17.74¢/kWh rate puts on the 119.4 kWh a 2026 BMW i7 xDrive60 Sedan (21 inch Wheels) needs for its full 308-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 xDrive60 Sedan (21 inch Wheels) in Delaware ranks 12,704 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (21 inch Wheels) ranks 232 of 400 EV models for raw efficiency, and Delaware ranks 33 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 BMW i7 xDrive60 Sedan (21 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 Delaware 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. Curious how Delaware's 17.74¢/kWh compares? The guide to charging cost by state ranks every state side by side.