2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires): home charging cost in Delaware

In Delaware, home electricity runs 17.74¢/kWh — put a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires)'s EPA-rated 38.3 kWh/100mi against that and 100 miles costs $6.79, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 57.6% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) charged at home in Delaware costs about $1,019/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,384 a year.

What one full charge costs

A 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) needs roughly 133.2 kWh to reach its EPA-rated 348-mile range, which runs about $23.64 at 17.74¢/kWh in Delaware.

Where this ranks

This combination ranks 12,418 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (21 inch Summer Tires) alone ranks 221 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.

Next step: home charger installation

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.

Line up a few Delaware electrician quotes for Level 2 install before you commit either way.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Delaware's 17.74¢/kWh compares? The guide to charging cost by state ranks every state side by side.