2026 BMW iX xDrive45 (21 inch Wheels): home charging cost in North Dakota
At North Dakota's residential electricity rate of 12.19¢/kWh, a 2026 BMW iX xDrive45 (21 inch Wheels) (rated 37.7 kWh per 100 miles by the EPA) costs $4.6 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: 71.3% 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 iX xDrive45 (21 inch Wheels) charged at home in North Dakota costs about $690/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,713 a year.
What one full charge costs
A 2026 BMW iX xDrive45 (21 inch Wheels) needs roughly 112 kWh to reach its EPA-rated 297-mile range, which runs about $13.66 at 12.19¢/kWh in North Dakota.
How this compares nationally
This combination ranks 2,773 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW iX xDrive45 (21 inch Wheels) alone ranks 211 of 400 models for efficiency; North Dakota alone ranks 1 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 North Dakota before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.