Car rentals in Carmarthen, Wales

The speed limit in Carmarthen is 50 km/h, unless otherwise stated on road signs. Carmarthen also has a suburban speed limit of 100 km/h which is strictly enforced. If you find yourself on a highway in Carmarthen, be aware that the speed limit is generally 115 km/h.

If you’re looking for a Carmarthen rental car for a road trip to the surrounding areas during the month of June it’s important to know that the rest of Wales typically has a temperature of 14 °C and will usually expect 52.7 mm of precipitation.

Prices for cars in Carmarthen were last updated today.

As of June 2026, there are 15 operators available to choose from for cars in Carmarthen.

Among different countries, including Carmarthen, the minimum age for drivers varies. In numerous EU countries, drivers must be 18 years old. To hire a car overseas, you'll generally need to be at least 21, and if you're under 25, a young driver surcharge may be imposed. It's recommended that you review the policy of the rental company you're considering before booking.

To rent a car in Carmarthen, all drivers must present a valid full driving license. If the license is written in a language other than the language of the country of rental, an International Driving Permit may be required to avoid the risk of potential fines. If you're renting a car abroad, you may also need to provide evidence of your return travel and accommodation information during your stay. We always recommend that you verify with the specific rental company you're booking with.