Arizona home charging cost for the 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20)
At Arizona's residential electricity rate of 15.45¢/kWh, a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) (rated 31.2 kWh per 100 miles by the EPA) costs $4.82 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 costs a fraction of what gas would here: 69.9% 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 $722 a year to charge at home in Arizona, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,681 a year.
What one full charge costs
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 $12.37 at Arizona'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 3,674 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; Arizona alone ranks 25 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 Arizona electrician quotes for Level 2 install before you commit either way.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20)'s cost in Arizona. Arizona's 15.45¢/kWh rate ranks 25 of 51 states; the state rate guide lays out the full spread.