There’s no doubt about it, car rental prices can be quite steep, especially when you are in a bind and you need a vehicle right away. An easy way to save money on your car rental is to use coupons. These coupons can usually be found in newspapers or even on the car rental agency’s website. If you look on the website or in the paper before renting the vehicle, you can save anywhere from $20 to hundreds of dollars depending upon the coupon as well as the vehicle you are renting.