What it costs to charge a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) in Louisiana
At Louisiana's residential electricity rate of 13.51¢/kWh, a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) (rated 31.2 kWh per 100 miles by the EPA) costs $4.21 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. That works out to 73.7% cheaper per mile than gasoline in Louisiana — charging at home costs a fraction of what gas would here.
Annual cost, at 15 thousands miles a year
Home charging this 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) in Louisiana runs about $632 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,771 saved annually, at this mileage.
Filling up the 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20), in dollars
$10.82 — that's what Louisiana's 13.51¢/kWh rate puts on the 80.1 kWh a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) needs for its full 257-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) in Louisiana ranks 1,488 for cost savings versus gas — 1 being the best deal nationally. Separately, the Lexus RZ 450e AWD (20 inch wheels - 235/50R20) ranks 78 of 400 EV models for raw efficiency, and Louisiana ranks 8 of 51 for cheapest residential electricity.
Next step: home charger installation
Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.
Ask a licensed Louisiana electrician to quote the install before this math becomes a real decision.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Louisiana's 13.51¢/kWh rate ranks 8 of 51 states; the state rate guide lays out the full spread.