2026 BMW i7 M70 xDrive Sedan (20 inch Wheels): home charging cost in North Dakota

At North Dakota's residential electricity rate of 12.19¢/kWh, a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) (rated 45.1 kWh per 100 miles by the EPA) costs $5.49 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 costs a fraction of what gas would here: 65.7% 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 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) charged at home in North Dakota costs about $824/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,579 a year.

What one full charge costs

A 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) needs roughly 120.3 kWh to reach its EPA-rated 267-mile range, which runs about $14.66 at 12.19¢/kWh in North Dakota.

How this compares nationally

This combination ranks 6,963 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 M70 xDrive Sedan (20 inch Wheels) alone ranks 360 of 400 models for efficiency; North Dakota alone ranks 1 of 51 states for electricity price.

Before you install a home charger in North Dakota

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 North Dakota electrician quotes for Level 2 install before you commit either way.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels)'s cost in North Dakota. North Dakota is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.