2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires): home charging cost in Delaware

A 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) draws 37.4 kWh per 100 miles per the EPA; at Delaware's 17.74¢/kWh residential rate that's $6.64 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 58.5% 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 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) charged at home in Delaware costs about $996/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,407 a year.

Cost of a full charge

A 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) needs roughly 132.5 kWh to reach its EPA-rated 354-mile range, which runs about $23.51 at 17.74¢/kWh in Delaware.

2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Delaware, ranked

This combination ranks 12,000 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (20 inch All-Season Tires) alone ranks 204 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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires)'s cost in Delaware. Curious how Delaware's 17.74¢/kWh compares? The guide to charging cost by state ranks every state side by side.