Montana home charging cost for the 2026 GMC SIERRA EV Ext Range (19kW Charger)

In Montana, 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.

2026 GMC SIERRA EV Ext Range (19kW Charger): yearly cost in Montana

At fueleconomy.gov's default of 15,000 annual miles, the 2026 GMC SIERRA EV Ext Range (19kW Charger) costs roughly $1,083 a year to charge at home in Montana, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,320 a year.

Cost of a full charge

Covering the 2026 GMC SIERRA EV Ext Range (19kW Charger)'s EPA-rated 385-mile range takes about 201.8 kWh, which costs about $27.79 at Montana'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 13,635 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; Montana alone ranks 10 of 51 states for electricity price.

Getting set up to charge a 2026 GMC SIERRA EV Ext Range (19kW Charger) 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 Montana before deciding.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Montana's 13.77¢/kWh rate ranks 10 of 51 states; the state rate guide lays out the full spread.