2026 Rolls-Royce Spectre (23 inch Wheels): home charging cost in Tennessee
At Tennessee's residential electricity rate of 13.9¢/kWh, a 2026 Rolls-Royce Spectre (23 inch Wheels) (rated 47.8 kWh per 100 miles by the EPA) costs $6.65 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 is much cheaper than gas here: 58.5% less than gas per mile, here specifically.
2026 Rolls-Royce Spectre (23 inch Wheels): yearly cost in Tennessee
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rolls-Royce Spectre (23 inch Wheels) charged at home in Tennessee costs about $997/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,406 a year.
What one full charge costs
A 2026 Rolls-Royce Spectre (23 inch Wheels) needs roughly 121 kWh to reach its EPA-rated 253-mile range, which runs about $16.82 at 13.9¢/kWh in Tennessee.
How this compares nationally
This combination ranks 12,026 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rolls-Royce Spectre (23 inch Wheels) alone ranks 377 of 400 models for efficiency; Tennessee alone ranks 13 of 51 states for electricity price.
Getting set up to charge a 2026 Rolls-Royce Spectre (23 inch Wheels) 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.
Line up a few Tennessee electrician quotes for Level 2 install before you commit either way.
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.