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

A 2026 GMC SIERRA EV Ext Range (19kW Charger) draws 52.4 kWh per 100 miles per the EPA; at South Dakota's 14.33¢/kWh residential rate that's $7.51 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 53.1% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2026 GMC SIERRA EV Ext Range (19kW Charger) costs roughly $1,127 a year to charge at home in South Dakota, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,276 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 $28.92 at South Dakota's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 14,213 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; South Dakota alone ranks 14 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 South Dakota 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. At 14.33¢/kWh, South Dakota sits in the middle of the national range — the guide to why charging cost varies by state shows where.