
In Iowa, you must be at least 18 years old to rent a car. However, this is just the minimum; most major rental companies set their own policy, which typically requires the driver to be 21 to 25 years old. If you are between 18 and 20, your options will be extremely limited, and if you are under 25, you will almost always face a daily Young Renter Fee.
The primary reason for these age restrictions is risk assessment. Rental car companies cite insurance data showing that drivers under 25 are statistically more likely to be involved in accidents. The young renter fee is intended to offset the higher insurance premiums the companies pay. It's not just about age; you will also need a valid driver's license that you've held for at least one year, and a major credit card in your name for the security deposit. Debit cards are often not accepted for young renters.
If you are under 25, your best bet is to shop around and call local offices directly. While large national chains like Hertz, Enterprise, and Avis generally adhere to the 21+ rule, some smaller, independent rental agencies or those located near university towns may cater to younger drivers, though they might have additional restrictions or require higher security deposits.
| Rental Company | Typical Minimum Age | Young Renter Fee (Under 25) | Notes |
|---|---|---|---|
| Enterprise | 21 | ~$25 per day | May rent to 18-20 year olds in certain states, but not typically in Iowa. |
| Hertz | 20 | ~$25 per day | Age 20-24 qualify but incur a fee. Must have a valid license for 1+ years. |
| Avis | 21 | ~$27 per day | Some locations may rent to 18-year-olds, but this is very rare. |
| Budget | 21 | ~$27 per day | Policies are generally consistent with parent company Avis. |
| Local/Iowa-Based Agency | 18 | Varies | Always call to confirm. May require additional insurance or deposit. |

Just turned 21 last month and tried to rent a car for a road trip. Found out real quick that while I was legally old enough, every major company slapped on an extra $25 a day because I'm under 25. It felt like a penalty for being young. My advice? Factor that fee into your budget—it adds up fast. I ended up using a smaller local place that was a bit more flexible on the rules.

As a parent helping my son rent a car for his internship in Des Moines, I learned the hard way that being 20 isn't enough for the big chains. We had to search for smaller, independent rental agencies. The process required more paperwork and a larger deposit placed on a credit card. The key is to plan ahead, call multiple locations, and be prepared for the "underage driver" fee, which is essentially unavoidable until he turns 25.

From a business traveler's perspective, Iowa's rental age rules are straightforward if you're over 25. The challenge is for junior employees. Corporate accounts can sometimes negotiate waivers for young renter fees, but it's not guaranteed. Always book with a major card that provides primary rental car insurance coverage. This can save you from having to pay for the rental company's expensive insurance, on top of the daily fee for being under 25.

Focus on the total cost. The daily rate might look cheap, but the young renter fee is a hidden cost driver. If you're under 25, always get a quote that includes all fees before booking. Consider alternatives if the fees are too high—rideshares for city travel or even a newer car-sharing service like Turo, which sometimes has different age policies set by individual car owners, though you'll still need to be at least 18 and must scrutinize the terms.


