What’s the best website to use when you want to rent a car? The quick answer is that there’s no one best car rental booking site in the world, most of them are inter-link organisations but there are a bunch of great ones worth comparing prices on. And the best ones for you will depend on what exactly you’re looking for in a car rental.

As with so many other travel buys, like the best hotel booking sites and the best airfare booking sites, to find the very best car rental deals you’ll need to cast a wide net. Still, some places tend to do better than others, at least some of the time.

The Best Car Rental Booking Sites in the U.S. and Europe
Here’s a quick roundup of the candidates for best car rental booking sites, based on detailed car searches in both the U.S. and Europe. (Find more details below on the perks and downfalls of each.)

Low-cost car rental booking sites Alamo, Payless, and Thrifty
AutoRentals.com
Rentalcars.com
Hotwire
Priceline
Expedia
Sixt Hire
AARP’s discount with Avis, Budget, and Payless
Auto Europe
Rentcars.com
Kayak
CarRentals.com

The Best Car Rental Booking Sites in the Singapore

RentCar.com.sg
Carrental.sg
mycarrental.com.sg