North Carolina home charging cost for the 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels)

A 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) draws 42.5 kWh per 100 miles per the EPA; at North Carolina's 14.9¢/kWh residential rate that's $6.33 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: 60.5% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) costs roughly $949 a year to charge at home in North Carolina, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,454 a year.

Cost of a full charge

Covering the 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels)'s EPA-rated 285-mile range takes about 121 kWh, which costs about $18.03 at North Carolina's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 10,792 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 M70 xDrive Sedan (21 inch Wheels) alone ranks 310 of 400 models for efficiency; North Carolina alone ranks 18 of 51 states for electricity price.

Before you install a home charger in North Carolina

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 North Carolina before deciding.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how North Carolina's 14.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.