The first thing you can check is the direct website : Enterprise.com ... Their most current special is advertised directly on the homepage. When you book online by clicking on the promotion, it's coded automatically and you don't have to physcially show rent a car coupons.

You can also check with different booking engines to see if they have any curent Enterprise car rental "coupons" or special offers through their partnership. Although you will not have physical rent a car coupons to print out, with a booking engine, like Travelocity, for example you have the benefit of being able to compare car rental rates and special offers for mulitple companies and destinations at once.

Coupons for rental cars can also be found in the Entertainment book. This book offers hundreds of dining, travel,accomodation, attractions and shopping discounts as well as coupons for rental cars (including Enterprise auto rental) that can be used nationwide. You can check different offers at Entertainment Book.com