2026 BMW i7 xDrive60 Sedan (19 inch Wheels): home charging cost in Delaware
At Delaware's residential electricity rate of 17.74¢/kWh, a 2026 BMW i7 xDrive60 Sedan (19 inch Wheels) (rated 38.4 kWh per 100 miles by the EPA) costs $6.81 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 is much cheaper than gas here: 57.5% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 BMW i7 xDrive60 Sedan (19 inch Wheels) charged at home in Delaware costs about $1,022/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,381 a year.
What one full charge costs
A 2026 BMW i7 xDrive60 Sedan (19 inch Wheels) needs roughly 119.5 kWh to reach its EPA-rated 311-mile range, which runs about $21.19 at 17.74¢/kWh in Delaware.
2026 BMW i7 xDrive60 Sedan (19 inch Wheels) in Delaware, ranked
This combination ranks 12,471 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (19 inch Wheels) alone ranks 224 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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 17.74¢/kWh, Delaware sits in the middle of the national range — the guide to why charging cost varies by state shows where.