What it costs to charge a 2026 GMC SIERRA EV Ext Range (11kW Charger) in Illinois

In Illinois, home electricity runs 19.22¢/kWh — put a 2026 GMC SIERRA EV Ext Range (11kW Charger)'s EPA-rated 49.5 kWh/100mi against that and 100 miles costs $9.52, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 40.6% 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 2026 GMC SIERRA EV Ext Range (11kW Charger) in Illinois runs about $1,429 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $974 saved annually, at this mileage.

Filling up the 2026 GMC SIERRA EV Ext Range (11kW Charger), in dollars

$39.05 — that's what Illinois's 19.22¢/kWh rate puts on the 203.2 kWh a 2026 GMC SIERRA EV Ext Range (11kW Charger) needs for its full 410-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 GMC SIERRA EV Ext Range (11kW Charger) in Illinois ranks 16,969 for cost savings versus gas — 1 being the best deal nationally. Separately, the GMC SIERRA EV Ext Range (11kW Charger) ranks 383 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

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.