2026 GMC SIERRA EV Ext Range (19kW Charger): home charging cost in Iowa

In Iowa, home electricity runs 13.77¢/kWh — put a 2026 GMC SIERRA EV Ext Range (19kW Charger)'s EPA-rated 52.4 kWh/100mi against that and 100 miles costs $7.22, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 54.9% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 GMC SIERRA EV Ext Range (19kW Charger) charged at home in Iowa costs about $1,083/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,320 a year.

What one full charge costs

A 2026 GMC SIERRA EV Ext Range (19kW Charger) needs roughly 201.8 kWh to reach its EPA-rated 385-mile range, which runs about $27.79 at 13.77¢/kWh in Iowa.

Where this ranks

This combination ranks 13,626 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The GMC SIERRA EV Ext Range (19kW Charger) alone ranks 397 of 400 models for efficiency; Iowa alone ranks 9 of 51 states for electricity price.

Next step: home charger installation

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 Iowa electrician quotes for Level 2 install before you commit either way.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Iowa's 13.77¢/kWh rate ranks 9 of 51 states; the state rate guide lays out the full spread.