Ohio 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 Ohio's 18.53¢/kWh residential rate that's $7.87 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: 50.9% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) costs roughly $1,180 a year to charge at home in Ohio, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,223 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 $22.42 at Ohio's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) in Ohio, ranked

This combination ranks 14,861 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; Ohio alone ranks 34 of 51 states for electricity price.

Getting set up to charge a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) at home

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 Ohio 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 Ohio's 18.53¢/kWh compares? The guide to charging cost by state ranks every state side by side.