South Dakota home charging cost for the 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20)

At South Dakota's residential electricity rate of 14.33¢/kWh, a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) (rated 31.2 kWh per 100 miles by the EPA) costs $4.47 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 costs a fraction of what gas would here: 72.1% 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 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) costs roughly $670 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 $1,733 a year.

Filling up the 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20), in dollars

Covering the 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20)'s EPA-rated 257-mile range takes about 80.1 kWh, which costs about $11.48 at South Dakota'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 2,348 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Lexus RZ 450e AWD (20 inch wheels - 235/50R20) alone ranks 78 of 400 models for efficiency; South Dakota alone ranks 14 of 51 states for electricity price.

Getting set up to charge a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) 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 South Dakota 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. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.