What it costs to charge a 2026 Rolls-Royce Spectre (22 inch Wheels) in Iowa
At Iowa's residential electricity rate of 13.77¢/kWh, a 2026 Rolls-Royce Spectre (22 inch Wheels) (rated 43.6 kWh per 100 miles by the EPA) costs $6.01 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 62.5% cheaper per mile than gasoline in Iowa — charging at home is much cheaper than gas here.
What a year of driving costs
Home charging this 2026 Rolls-Royce Spectre (22 inch Wheels) in Iowa runs about $901 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,501 saved annually, at this mileage.
What one full charge costs
$16.65 — that's what Iowa's 13.77¢/kWh rate puts on the 120.9 kWh a 2026 Rolls-Royce Spectre (22 inch Wheels) needs for its full 277-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rolls-Royce Spectre (22 inch Wheels) in Iowa ranks 9,457 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rolls-Royce Spectre (22 inch Wheels) ranks 340 of 400 EV models for raw efficiency, and Iowa ranks 9 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 Rolls-Royce Spectre (22 inch Wheels) at home
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 Iowa 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. At 13.77¢/kWh, Iowa sits in the middle of the national range — the guide to why charging cost varies by state shows where.