SunPass and Toll Roads in Florida Rental Cars: What Toll Fees Really Cost
If you're flying into Tampa, Orlando, or Miami and renting a car, one small line item can quietly add $30–$300 to your total: toll roads. Florida's highways are now almost entirely cashless — there are very few toll booths left where you can simply hand over cash. That means the way your tolls are paid is usually determined before you even get on the road, and rental car companies have built an entire business around it.
Here's how the system actually works, what the major rental companies charge, and how to pay as little as possible.
1. Florida is cashless: you usually can't just pay at a toll booth anymore
Florida toll roads, including the Turnpike, Selmon Expressway in Tampa, 408/417/429 around Orlando, and most others, use SunPass and Toll-by-Plate:
- SunPass — a transponder, either a small sticker or portable device, linked to a prepaid account. It generally gives you the lowest toll rate.
- Toll-by-Plate — a camera photographs your license plate and bills the registered vehicle owner. This is typically the most expensive toll rate, plus additional fees.
Since 2021, most Florida toll roads no longer have cash lanes. So in a rental car, you basically have three options: use the rental company's toll program, bring your own transponder, or avoid toll roads.
Good news for visitors from other states: E-ZPass now works on all Florida toll roads. If you already have E-ZPass from New York, New Jersey, Pennsylvania, or most other East Coast states, you can add the rental car's license plate to your account and pay E-ZPass rates directly — without the rental company's markup.
2. What major rental car companies charge for tolls
Every major rental company has its own "toll program." It's sold as a convenience: just drive and we'll take care of everything. In reality, it usually means a daily service fee on top of the toll itself — and that's where the extra cost comes in.
| Rental company | Program | Service fee | Rental cap | Notes |
|---|---|---|---|---|
| Hertz / Dollar / Thrifty | PlatePass | ~$9.99 / day | No clear cap | Charged for each day you use a toll road |
| Avis / Budget | e-Toll | ~$5.95–6.95 / day | ~$29.75 | The fee may apply to all rental days once activated |
| Enterprise / National / Alamo | TollPass | ~$4.95 / day | ~$34.65 | No service fee on days when you don't use toll roads |
| Sixt | Toll service | Varies by location | Varies | Confirm at the rental counter |
Read that carefully. The fee is charged per day, and it's on top of the toll itself. A $1.50 toll in a Hertz rental could effectively cost you $11.49 that day. Use toll roads on five days during your rental and you could already be paying $25–$50 just in service fees, before counting a single dollar of actual toll charges.
For a weekend trip, that's annoying but manageable. For someone renting for weeks or months, it becomes real money. At around $6 per day, a 30-day rental where you use toll roads almost every day could add $150–$210 in service fees alone for access to a transponder that costs around $5.
3. The cheapest ways to pay tolls in a Florida rental car
From best to worst, depending on how long you're staying:
If you're here for a few days
- Bring your own transponder if you already have one. E-ZPass now works statewide, and SunPass obviously does too. Log into your account, add the rental car's plate as a temporary vehicle, and set an end date so you're not responsible for tolls after returning the car.
- Or simply use the rental company's toll program and accept the daily fee. For a 2–3 day trip, Enterprise/Alamo/National at around $4.95 per day is generally the cheapest among the three major rental groups, and all you have to do is drive.
- Buy a portable SunPass for $4.99 at Publix, CVS, Walgreens, or AAA and load a few dollars onto it. It can be cheaper than any rental company toll program if you'll be using toll roads for more than a couple of days.
If you're here for weeks or months
This is where the daily-fee model stops making sense. Paying $5–10 per day, every day, for a month is one of the easiest long-stay expenses to avoid. Two better options:
- Link your own transponder to the rental vehicle for the entire rental period. It works, but you have to manage the account, watch for possible duplicate charges, and remember to set an end date.
- Rent long-term from a company that includes SunPass in the rental price. No daily fee, no activation charge, no administrative markup — the transponder is already in the car and already included in the monthly rate.
4. The hidden risk of using your own transponder: getting charged twice
"Just bring your own transponder" is advice you'll see everywhere, but it's a little more complicated than it sounds, and it can lead to duplicate charges.
Here's why. A toll gantry can register a toll in two ways: through the transponder and through a license plate photo using Toll-by-Plate. In a rental car, both systems may be active at the same time:
- Your personal SunPass is read → the toll goes to your account.
- But the rental car's license plate may already be linked to the rental company's toll program, and opting out may not always happen automatically.
- If the gantry doesn't read your transponder, or if the rental company still bills the toll through the license plate, you can end up with a second charge plus an administrative fee for the same trip.
There's another potential problem: the rental car may already have the rental company's own transponder inside. Two active transponders in one vehicle can create duplicate readings and confusion. That's why people are often advised to keep the rental company's transponder turned off or removed, and to keep a portable SunPass in a shielded Mylar bag when it's not being used.
To use your own transponder without risking duplicate charges, you'll generally need to:
- Explicitly opt out of the rental company's toll program at the counter.
- Make sure the rental company's transponder is removed or turned off.
- Add the rental car's plate to your account as a Rental Vehicle, with both a start and end date.
- Then monitor your statement for 2–6 weeks and dispute anything that was billed twice.
That's four steps, a conversation at the rental counter, and potentially a month of monitoring for something that's supposed to be the "simple" option.
5. Watch out for the "surprise bill" weeks later
Tolls don't always show up immediately. It's common for a toll, along with an administrative fee, to be charged to your card weeks or even months after the rental car has been returned. If you used your own toll account, make sure you remove the rental vehicle or set an end date. Otherwise, you could end up paying tolls incurred by the next renter.
6. Where CarForLong fits into all of this
We're not a daily rental company — we specialize in long-term and monthly car rentals in Miami, and we've structured our service specifically to eliminate the kinds of fees described above.
Every CarForLong monthly rate already includes a SunPass transponder, along with taxes, insurance, and child seats. There's no $5–10 daily toll service fee, no activation fee, and no surprise administrative markup. And because there's only one transponder associated with the car, the risk of duplicate billing described above is eliminated — you don't need to opt out of anything, there's no second toll channel to manage, and you don't have to spend a month checking your statement. You simply drive on Florida toll roads and pay the regular SunPass toll rate — nothing extra. And you definitely don't need to install your own transponder, because there would be no benefit.
Our transponders work on all Florida toll roads, including SunPass and E-ZPass-compatible roads. Your toll charges simply accumulate during the rental and are paid when the vehicle is returned. Typical monthly toll usage is around $20–$40, or $50–$70 if you drive on toll roads frequently. Full details are available on our Toll Roads (SunPass) FAQ page.
So if your Florida stay is measured in weeks or months — relocation, your own car being repaired, waiting for a new vehicle to arrive, a seasonal snowbird stay, or an extended visit — you can skip the entire toll-fee game.
👉 See our monthly rates with SunPass included at carforlong.com.
Sources: official toll program terms from major rental companies, including Hertz PlatePass, Avis/Budget e-Toll, Enterprise/National/Alamo TollPass, and SunPass documentation from Florida's Turnpike Enterprise, July 2026. Fees vary by location and change frequently, so always confirm current pricing with your rental company when picking up the vehicle.