2026 Lexus RZ 450e AWD ((20") - 235/50R20), ID Charging Cost

Charging a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) at home in Idaho

At Idaho's residential electricity rate of 12.8¢/kWh, a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) (rated 31.2 kWh per 100 miles by the EPA) costs $3.99 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 75.1% cheaper per mile than gasoline in Idaho, charging at home costs a fraction of what gas would here.

2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20): yearly cost in Idaho

Idaho owners putting 15,000 annual miles on a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) spend about $598 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,805 saved annually, at this mileage.

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

At Idaho's rate, fully covering this 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20)'s 257-mile EPA range costs about $10.25 (80.1 kWh), the energy the EPA test actually used, not the battery's rated size.

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 Idaho ranks 894 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 Idaho ranks 3 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 Idaho 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. Idaho is one of the cheapest states for home electricity, the guide to why the cost varies so much by state covers what drives that.