2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20): home charging cost in Tennessee
At Tennessee's residential electricity rate of 13.9¢/kWh, a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) (rated 31.2 kWh per 100 miles by the EPA) costs $4.33 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: 73% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) charged at home in Tennessee costs about $650/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,753 a year.
Filling up the 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20), in dollars
A 2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) needs roughly 80.1 kWh to reach its EPA-rated 257-mile range, which runs about $11.13 at 13.9¢/kWh in Tennessee.
2026 Lexus RZ 450e AWD (20 inch wheels - 235/50R20) in Tennessee, ranked
This combination ranks 1,858 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; Tennessee alone ranks 13 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.
Get quotes from local electricians for Level 2 charger installation in Tennessee before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.