Charging a 2027 Audi Q6 e-tron quattro (20 inch Tires) at home in Illinois
A 2027 Audi Q6 e-tron quattro (20 inch Tires) draws 35.1 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $6.74 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 57.9% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.
What a year of driving costs
Illinois owners putting 15,000 annual miles on a 2027 Audi Q6 e-tron quattro (20 inch Tires) spend about $1,012 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,391 saved annually, at this mileage.
What one full charge costs
At Illinois's rate, fully covering this 2027 Audi Q6 e-tron quattro (20 inch Tires)'s 301-mile EPA range costs about $20.3 (105.6 kWh) — the energy the EPA test actually used, not the battery's rated size.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Audi Q6 e-tron quattro (20 inch Tires) in Illinois ranks 12,287 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi Q6 e-tron quattro (20 inch Tires) ranks 150 of 400 EV models for raw efficiency, and Illinois ranks 36 of 51 for cheapest residential electricity.
Next step: home charger installation
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
See the methodology guide for exactly which EIA and EPA figures feed 2027 Audi Q6 e-tron quattro (20 inch Tires)'s cost in Illinois. Illinois's 19.22¢/kWh rate ranks 36 of 51 states; the state rate guide lays out the full spread.