Car rentals in Downtown, San Diego

In the past week, our users have found Downtown car rental prices for as low as $5/day and as high as $15/day, which is a 67% price difference. Keep in mind that the average price to rent a car in Downtown is $6/day, which can change depending on what type of car you rent and what agency you rent it from.

The cheapest rental car companies in Downtown are GREEN MOTION , CarWiz and Payless. In the past 72 hours, momondo users have found rental prices as low as $5/day from GREEN MOTION , $5/day from CarWiz, and $5/day from Payless.

Midtown and University City are the cheapest neighborhoods to rent a car in San Diego. We found that GREEN MOTION is the cheapest rental car company in Midtown with an average cost of $20/day. Hertz is the most affordable rental company in University City with prices averaging $32/day.

Prices for cars in Downtown are updated daily.

There are 10 operators available for cars in Downtown as of June 2026.

Age requirements for drivers vary depending on the country, including Downtown. 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.

When renting a car in Downtown, all drivers must present a full valid driving license. An International Driving Permit is required if the driving license is written in a language different to that of the country of rental and may be necessary to avoid the risk of potential fines. If you are renting abroad, you may also need to provide proof of return travel and accommodation information during your stay. We always recommend checking with the individual rental company you are booking with.