2026 GMC SIERRA EV Ext Range (11kW), MT Charging Cost

Montana home charging cost for the 2026 GMC SIERRA EV Ext Range (11kW Charger)

At Montana's residential electricity rate of 13.77¢/kWh, a 2026 GMC SIERRA EV Ext Range (11kW Charger) (rated 49.5 kWh per 100 miles by the EPA) costs $6.82 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is much cheaper than gas here: 57.4% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 GMC SIERRA EV Ext Range (11kW Charger) costs roughly $1,023 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 $1,380 a year.

Cost of a full charge

Covering the 2026 GMC SIERRA EV Ext Range (11kW Charger)'s EPA-rated 410-mile range takes about 203.2 kWh, which costs about $27.97 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 12,549 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The GMC SIERRA EV Ext Range (11kW Charger) alone ranks 383 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 (11kW 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.

Ask a licensed Montana electrician to quote the install before this math becomes a real decision.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. At 13.77¢/kWh, Montana sits in the middle of the national range, the guide to why charging cost varies by state shows where.