Charging a 2026 Lexus RZ 450e AWD (18 inch wheels) at home in Illinois

A 2026 Lexus RZ 450e AWD (18 inch wheels) draws 30.5 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $5.87 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 63.4% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Illinois owners putting 15,000 annual miles on a 2026 Lexus RZ 450e AWD (18 inch wheels) spend about $880 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,523 saved annually, at this mileage.

Filling up the 2026 Lexus RZ 450e AWD (18 inch wheels), in dollars

At Illinois's rate, fully covering this 2026 Lexus RZ 450e AWD (18 inch wheels)'s 264-mile EPA range costs about $15.49 (80.6 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Lexus RZ 450e AWD (18 inch wheels) in Illinois ranks 8,751 for cost savings versus gas — 1 being the best deal nationally. Separately, the Lexus RZ 450e AWD (18 inch wheels) ranks 66 of 400 EV models for raw efficiency, and Illinois ranks 36 of 51 for cheapest residential electricity.

Before you install a home charger in Illinois

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.

Line up a few Illinois electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Lexus RZ 450e AWD (18 inch wheels)'s cost in Illinois. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.