What it costs to charge a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) in Illinois

In Illinois, home electricity runs 19.22¢/kWh — put a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)'s EPA-rated 37.4 kWh/100mi against that and 100 miles costs $7.2, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 55.1% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) in Illinois runs about $1,079 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,324 saved annually, at this mileage.

What one full charge costs

$25.47 — that's what Illinois's 19.22¢/kWh rate puts on the 132.5 kWh a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) needs for its full 354-mile EPA range.

2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) in Illinois, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) in Illinois ranks 13,528 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive50 Sedan (21 inch All-Season Tires) ranks 205 of 400 EV models for raw efficiency, and Illinois ranks 36 of 51 for cheapest residential electricity.

Before you install a home charger in Illinois

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)'s cost in Illinois. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.