"I booked a small pickup car with RENTALCARS.COM for the Carnival period, in Brazil. I did it 3 weeks before the desired dates and soon I received an email confirming the pickup, and the total rental amount was charged on my credit card. Just 3 days before the beginning of the rental I tried to print the booking voucher in the website but, surprisingly, the booking was turned into "awaiting confirmation" status! They deceived me! I paid for a pickup car which they had confirmed but the car was not available, they just gave me another car. This is a huge mistake in the reservations administration process and a radical violation of the consumer rights as the service was already paid and was not avaiable! To cancel the rental would be a disaster for me as there was no more pickup cars avaiable at the time I found out the pothole. Although they gave me another car (not a pickup one), it does not eliminate the severity of the situation, and did not satisfied me indeed. Therefore, I DO NOT RECOMMEND RENTALCARS.COM UNDER NO CONDITION, they do not know how to work, they do not honor the rental commitments and do not provide a standard of quality as it should be offered due to the prepayment they impose on their customers."

"Rentalcars.com is the worst, its a fraudulent company and the collision coverage they provide through their website is fake and no proofs for that. You can't claim any coverage with this ...... !!!!!!!!!!

Beware of Rentalcars.com and Keep away from them !!!! scary !!!!"

"Useless web site - had to modify search 6 times for it to then tell me nothing available in my area"

"I used rental cars.com for the first time because I was in the midst of a complicated relocation from the UK to Canada and didn't have time to research car companies individually. Big mistake!! Rentalcars.com charged me nearly three times as much as Avis actually charges for the car in Canada. Rental cars.com is taking advantage of people like me who are moving between countries frequently and don't have time to research the real rates of cars in a given country. Needless to say, I will never use them again, and I hope this warning helps others in similar situations. "