South Dakota home charging cost for the 2026 GMC SIERRA EV Ext Range (11kW Charger)
At South Dakota's residential electricity rate of 14.33¢/kWh, a 2026 GMC SIERRA EV Ext Range (11kW Charger) (rated 49.5 kWh per 100 miles by the EPA) costs $7.1 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: 55.7% 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 $1,065 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 $1,338 a year.
What one full charge costs
Covering the 2026 GMC SIERRA EV Ext Range (11kW Charger)'s EPA-rated 410-mile range takes about 203.2 kWh, which costs about $29.11 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 13,262 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; South Dakota alone ranks 14 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.
Get quotes from local electricians for Level 2 charger installation in South Dakota before deciding.
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.