You can find rental car discount codes on any of their websites. Most of the car rentals want you to already have to code, but their are a chosen few that has the codes.
Flyer Talk has a section on rental car companies, and some of the sections will list current coupons and discount codes. You can also find coupons at the rental car company's sites.
http://www.best-car-rental-tips.com/discount-codes.html is the page that will help you. It has a list of car rental discount codes for lots of companies. You'll surely find some helpful information from there.
One could commonly find car rental discount codes at sites providing travel deals, and sometimes at general deals sites. Certain blogs will also feature codes and coupons that can be used.
Practically all the major car rental companies offer car rental coupons, both through traditional paper media and through the Internet. Online car rental coupons are either printable vouchers or promotional car rental codes (also called car rental shopping codes, car rental voucher codes, or car rental discount codes). Fraudulent on-line car rental coupons have been reported and caution is advisable when dealing with Internet discount codes. Car rental coupons usually enable the client to get discount of up to 20% on the rental price.
I suggest that you first go to a booking site where you can compare the prices for several car rental companies at once. Once you find the cheapest company, you can try going to their website directly to see if they have any online deals or specials that are even cheaper. You can also try to check rates using a discount code, if you qualify. There are hundreds of membership programs and professional associations that offer car rental discount codes to their members. You can find a list of car rental discount codes for 8 major car rental companies at www.bestcarrental.com
A great site to use while looking for car rental coupon codes would be RentalCarMomma.com. They offer multiple coupons for the leading car rental companies, to fit all of your needs.
Discount rental cars can be found through discount travel wesbites such as BestPriceonCarRental.com . You can also find cheap rental car businesses by going to a local agent that specializes in discount rentals.
Travelocity, Orbitz, Expedia, and Kayak provide some form of car rental discount code. Any existing memberships you are in may offer discount codes and coupons.
You can get coupon codes for hertz rental on http://www.retailmenot.com/view/hertz.com or vourchercodes.co.uk. You can find more information with specific coupons here: http://firefinance.blogspot.com/2007/04/hertz-car-rental-discount-coupons.html#AAA-Hertz-Coupons
Listed below you'll find some of the best car rental coupon, discount and promotion codes as ranked by the users of RetailMeNot.com. To use a coupon simply click the coupon code then enter the code during the store's checkout process.
glossary for dollar rental car codes
There are a number of websites that have legitimate car rental coupon codes. Some of those sites include RetailMeNot, Avis, Budget, Coupons and Rental Car Momma.