Arizona home charging cost for the 2026 Rolls-Royce Spectre (23 inch Wheels)
At Arizona's residential electricity rate of 15.45¢/kWh, a 2026 Rolls-Royce Spectre (23 inch Wheels) (rated 47.8 kWh per 100 miles by the EPA) costs $7.39 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: 53.9% 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 Rolls-Royce Spectre (23 inch Wheels) costs roughly $1,109 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 $1,294 a year.
What one full charge costs
Covering the 2026 Rolls-Royce Spectre (23 inch Wheels)'s EPA-rated 253-mile range takes about 121 kWh, which costs about $18.7 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 13,951 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; Arizona alone ranks 25 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 Arizona electrician quotes for Level 2 install before you commit either way.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Arizona's 15.45¢/kWh compares? The guide to charging cost by state ranks every state side by side.