2026 Rolls-Royce Spectre Black Badge (23"), HI Charging Cost

What it costs to charge a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) in Hawaii

At Hawaii's residential electricity rate of 45.95¢/kWh, a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) (rated 48.3 kWh per 100 miles by the EPA) costs $22.18 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. Here the math runs the other way: 38.5% more per mile than gasoline, because Hawaii's rate and this model's efficiency combine unfavorably.

2026 Rolls-Royce Spectre Black Badge (23 inch Wheels): yearly cost in Hawaii

Home charging this 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) in Hawaii runs about $3,328 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. At this mileage, that's roughly $925 a year worse than the gas comparison.

Cost of a full charge

$55.68, that's what Hawaii's 45.95¢/kWh rate puts on the 121.2 kWh a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) needs for its full 251-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rolls-Royce Spectre Black Badge (23 inch Wheels) in Hawaii ranks 20,375 for cost savings versus gas, 1 being the best deal nationally. Separately, the Rolls-Royce Spectre Black Badge (23 inch Wheels) ranks 380 of 400 EV models for raw efficiency, and Hawaii ranks 51 of 51 for cheapest residential electricity.

Next step: home charger installation

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 Hawaii electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. This is one of the combinations where charging costs more than gas, the guide to when that happens explains why the arithmetic can go either way.