Illinois home charging cost for the 2027 Audi S6 e-tron (21 inch wheels)

In Illinois, home electricity runs 19.22¢/kWh — put a 2027 Audi S6 e-tron (21 inch wheels)'s EPA-rated 33.8 kWh/100mi against that and 100 miles costs $6.49, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 59.5% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Audi S6 e-tron (21 inch wheels) costs roughly $974 a year to charge at home in Illinois, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,429 a year.

Filling up the 2027 Audi S6 e-tron (21 inch wheels), in dollars

Covering the 2027 Audi S6 e-tron (21 inch wheels)'s EPA-rated 311-mile range takes about 105.1 kWh, which costs about $20.2 at Illinois's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 11,401 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi S6 e-tron (21 inch wheels) alone ranks 118 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.

Getting set up to charge a 2027 Audi S6 e-tron (21 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.

Get quotes from local electricians for Level 2 charger installation in Illinois before deciding.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Illinois's 19.22¢/kWh compares? The guide to charging cost by state ranks every state side by side.