What it costs to charge a 2027 Audi S e-tron GT (20 inch wheels) in Illinois

A 2027 Audi S e-tron GT (20 inch wheels) draws 37.6 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $7.24 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 54.8% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Audi S e-tron GT (20 inch wheels) in Illinois runs about $1,085 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,318 saved annually, at this mileage.

Filling up the 2027 Audi S e-tron GT (20 inch wheels), in dollars

$21.71 — that's what Illinois's 19.22¢/kWh rate puts on the 112.9 kWh a 2027 Audi S e-tron GT (20 inch wheels) needs for its full 300-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Audi S e-tron GT (20 inch wheels) in Illinois ranks 13,663 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi S e-tron GT (20 inch wheels) ranks 209 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.

Ask a licensed Illinois electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.