Car Booker is a car hire price comparison service that helps visitors explore rental prices for travel in different destinations. The site lets users select whether they are visiting from the United Kingdom or the United States, with prices compared in pounds sterling or US dollars respectively. It highlights car hire deals that may include a free additional driver, GPS, upgrades, or child seat, as well as zero-excess rentals.

Car Booker features airport destinations such as Cape Town, Miami, Stansted, Los Angeles, and Dubai, and lists locations across the United States, South Africa, New Zealand, Canada, and Italy. These options give travellers a starting point for comparing rental choices by destination, whether they are arranging a vehicle for an airport arrival or a wider trip. The site presents its service around comparing car rental prices and finding deals, with the available offers and location listings serving as its main guidance for customers. Prices are displayed according to the visitor’s selected country, helping make comparisons in a familiar currency.