2026 BMW iX xDrive45 (23 inch Wheels): home charging cost in Massachusetts
In Massachusetts, home electricity runs 30.06¢/kWh — put a 2026 BMW iX xDrive45 (23 inch Wheels)'s EPA-rated 38.6 kWh/100mi against that and 100 miles costs $11.62, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 27.5% 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 2026 BMW iX xDrive45 (23 inch Wheels) charged at home in Massachusetts costs about $1,743/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $660 a year.
What one full charge costs
A 2026 BMW iX xDrive45 (23 inch Wheels) needs roughly 112.1 kWh to reach its EPA-rated 290-mile range, which runs about $33.69 at 30.06¢/kWh in Massachusetts.
Where this ranks
This combination ranks 18,783 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW iX xDrive45 (23 inch Wheels) alone ranks 230 of 400 models for efficiency; Massachusetts alone ranks 49 of 51 states for electricity price.
Getting set up to charge a 2026 BMW iX xDrive45 (23 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 Massachusetts 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. Massachusetts has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.