2027 Audi A6 e-tron: home charging cost in Illinois

In Illinois, home electricity runs 19.22¢/kWh — put a 2027 Audi A6 e-tron's EPA-rated 30.3 kWh/100mi against that and 100 miles costs $5.83, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 63.6% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Audi A6 e-tron charged at home in Illinois costs about $875/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,528 a year.

Filling up the 2027 Audi A6 e-tron, in dollars

A 2027 Audi A6 e-tron needs roughly 105.6 kWh to reach its EPA-rated 348-mile range, which runs about $20.29 at 19.22¢/kWh in Illinois.

2027 Audi A6 e-tron in Illinois, ranked

This combination ranks 8,591 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi A6 e-tron alone ranks 65 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.

Getting set up to charge a 2027 Audi A6 e-tron 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.

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

Where these figures come from

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.