
The best car rental company for fuel options depends entirely on your trip specifics. For maximum convenience with predictable costs, Enterprise's "Full-to-Full" is often the most budget-friendly, while Hertz's Prepaid Fuel option can save you from high last-minute refueling charges. For shorter trips where you'll use little gas, a "Pay-You-Go" plan from a company like Avis might be cheapest. The key is matching the rental company's fuel policy to your driving needs to avoid overpaying.
Most major rental companies offer three primary fuel plans:
To help you compare, here’s a summary of typical policies and considerations:
| Rental Company | Common Fuel Policy | Key Consideration | Potential Cost for a Half-Tank Return (Example) |
|---|---|---|---|
| Enterprise | Full-to-Full | Most economical if you refuel yourself. | Only the cost of half a tank at a local gas station. |
| Hertz | Prepaid Fuel Available | Good for long trips; avoid if returning half-full. | You've already paid for the full tank, so you lose the cost of the unused half. |
| Avis | Pay-You-Go Common | Can be very expensive for anything more than minimal driving. | You pay their premium rate for the half-tank used, often 30-50% above market price. |
| Budget | Varies by Location | Carefully review your rental agreement at the counter. | Highly variable; can be similar to Avis if Pay-You-Go is applied. |
| National | Full-to-Full (typically) | Similar to Enterprise, favored by frequent business travelers. | Only the cost of refueling the amount used. |
Always read your rental agreement thoroughly and ask the agent to explain the fuel policy before you leave the lot. The best option is the one that aligns with your itinerary.

Just make sure you bring it back full. Seriously, that’s it. I learned the hard way after paying through the nose for their "convenient" fuel service. Now I use Google Maps to find a gas station a mile or two from the airport. It takes five extra minutes and saves me like forty bucks every time. Don’t get talked into their prepaid gas; it’s a trap unless you’re to run the tank to absolute empty.

My focus is on the total cost, not just the daily rate. I always choose a rental company that offers a "Full-to-Full" . Before I book, I confirm this policy is standard. Upon arrival, I take a photo of the fuel gauge as proof. I refuel just before returning the car. This method eliminates surprise fuel charges and ensures I only pay for the gas I actually use. It requires a small amount of planning but guarantees the most economical outcome.

Convenience is my top priority when I travel for work. I don’t have time to hunt for a gas station before a flight. That’s why I often opt for the prepaid fuel option with Hertz. I pay one flat rate at the beginning, and I can return the car without worrying about it. Yes, it might cost a few dollars more if I don't use it all, but that’s a price I’m willing to pay for a hassle-free experience. It simplifies the expense report, too.

I look at the type of trip I'm taking. For a long road trip where I'll cover hundreds of miles, the prepaid fuel option can be a great deal, locking in a price and saving me from volatile gas prices on the highway. For a simple airport-to-city trip, the "Full-to-Full" is the only way to go. I always check the rental agreement's fine print for the "fuel service charge" rate—it's often exorbitant. My advice is to map your route and estimate your fuel usage before deciding.


