Car rentals in Portsmouth, Rhode Island

When you book a rental car in Portsmouth, you should abide by the city’s 25 mph speed limit. The speed limits on any suburban roads and highways in Portsmouth are 75 mph and 75 mph, respectively. Be on the lookout for posted signage, because these speed limits might change depending on where you are within Portsmouth.

If you’re looking for a Portsmouth rental car for a road trip to the surrounding areas during the month of May it’s important to know that the rest of Rhode Island typically has a temperature of 55.4 °F and will usually expect 3.7″ of precipitation.

Prices for cars in Portsmouth are refreshed on a daily basis.

As of May 2026, there are 10 operators available to choose from for cars in Portsmouth.

Age requirements for drivers vary depending on the country, including Portsmouth. In several EU countries, drivers must be 18 years old. Generally, to rent a car overseas, you must be at least 21 years old, and if you're under 25, you may be charged a young driver surcharge. It's recommended that you review the policy of your preferred rental company before booking.

All drivers must have a valid full driving license when renting a car in Portsmouth. If the license is written in a different language from the country of rental, an International Driving Permit may be required to avoid the risk of potential fines. If you're renting a car overseas, you may also need to provide proof of return travel and accommodation information during your stay. It is always advisable to check with the individual rental company you're booking with.