Reserved a car on line, two weeks prior to flying into Denver, Co. airport. Not impressed with agent. Car issured to us had 53,000 miles on it, 5 dents, and numerous scratches. Both interior and exterior, could have used a good cleaning. After a long day of travel, I failed to refuse the car, and left on my travels. The following day, we left Denver. On our trip west, we noticed the brake rotors were warped, and sqeaked some. By the time we got to Grand Junction, we found the local Thrifty rent a car, and inquired about trading vehicles. We were told that many Thrifty's are franchised, and that they are not "connected" to Thrifty at the Denver Airport. Next we called for road service...they said they would come and get the car....BUT...if they decided the car did not have a serious problem...that we could be charged for the tow truck sent from Salt Lake City. We finally gave up and drove the car back to Denver. I guess no one cared about our safety! When the car was checked in, the girl said that any cars over 51,000 miles, should have been sent to the sales dept. already. No credit was given for the problems we had, or vacation time lost and interrupted. Our suggestion.....DO NOT RENT FROM THRIFTY at the Denver Airport....NOTE....Dollar Rental, and Thrifty Rental have merged. Beware!!