EV Registration Fees in Hawaii
Hawaiiis one of the states that charges electric vehicles extra at registration — typically justified as replacing the gas taxes EVs don't pay. Here's exactly what it adds for a two-year-old $45,000 vehicle:
| Fuel type | Annual registration cost | vs. gas |
|---|---|---|
| Gas | $406.00 | — |
| Plug-in hybrid | $406.00 | same |
| Battery EV | $456.00 | +$50.00 |
The EV-specific line items
- Electric vehicle fee$50.00
Hawaii registration combines about $73.50 in flat fees ($46 state registration + $7 beautification + $20 county + $0.50 emblem) with a state weight tax (1.75¢/lb up to 4,000 lbs) and a county weight tax that varies sharply by island — Honolulu 7¢/lb, Maui 3.5¢, Kauai 2¢, the Big Island 1.25¢. Pick your county and enter your car's weight for the exact total. EVs add a $50 surcharge.
Hawaii: common questions
Why is Hawaii car registration so expensive on Oahu?
Honolulu's county weight tax is 7¢ per pound — on a 4,000-lb car that's $280/yr on top of the state weight tax and ~$73.50 in flat fees, for about $424 total. The Big Island's 1.25¢/lb makes the same car about $194.
Estimate your exact Hawaii cost
Your vehicle
- Flat fees (state reg + beautification + county + emblem)$73.50
- State weight taxBy weight$66.50
- County weight tax7.00¢/lb (Honolulu (Oahu))$266.00
Estimate only — actual fees are set by your state and county at the time of registration. Data last reviewed 2026-07-21.
All figures computed from official fee schedules — sources: https://law.justia.com/codes/hawaii/title-14/chapter-249/section-249-33/ · https://www.tfhawaii.org/wordpress/state-tax-resources/mini-tax-guides/motor-vehicle-weight-tax-chapter-249-county-ordinances/ — last reviewed 2026-07-21.