What it costs to charge a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Connecticut

In Connecticut, home electricity runs 28.82¢/kWh — put a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels)'s EPA-rated 45.1 kWh/100mi against that and 100 miles costs $12.99, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 18.9% cheaper per mile than gasoline in Connecticut — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Connecticut runs about $1,948 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $455 saved annually, at this mileage.

Cost of a full charge

$34.67 — that's what Connecticut's 28.82¢/kWh rate puts on the 120.3 kWh a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) needs for its full 267-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Connecticut ranks 19,538 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 M70 xDrive Sedan (20 inch Wheels) ranks 360 of 400 EV models for raw efficiency, and Connecticut ranks 45 of 51 for cheapest residential electricity.

Before you install a home charger in Connecticut

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Line up a few Connecticut electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 28.82¢/kWh, Connecticut sits in the middle of the national range — the guide to why charging cost varies by state shows where.