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Car Rental Comparison

Booking a hire car for your next holiday has never been easier or more affordable than when you choose to use Park On King’s comparison software.

We offer competitive rates on car rental bookings from well-known, quality providers like Avis, Europcar, Budget, Thrifty, Redspot, and Hertz. From the comfort of our website, you can not only search and book a rental car, but you can compare rates by using our car rental comparison calculator.

  • Guaranteed best car rental rates
  • Over 50,000 pick-up locations around the world 
  • No booking fees
  • Low rental rates
  • Trusted by 150,000+ renters
  • 24/7 customer service 
  • Manage your booking online
  • Top rental brands

Imagine being able to drive the scenic highways of California in a luxury convertible or travel with the entire family through the European countryside in a family sized van or large people mover. We can help you find the perfect transportation to meet your needs no matter where you are going.

Whether you’re needing car hire from Sydney airport, Melbourne airport, Brisbane airport, or you are in need of a car to get you around while travelling overseas or you are visiting from abroad, we can get you the transportation you need to enjoy your holiday at affordable rates.

Use our comparison calculator to see some of the amazingly competitive car rental offers we have been able to put together for you at your chosen destination.

Please note that Free Upgrades are not automatically applied. You must follow the instructions below to redeem your Free Upgrade.


Park on King offers free upgrades* on your existing booking with every car rental booking you make through our website. If you have an Outdoor Self Parking (Green Level) booking, you’ll be upgraded to Undercover Self Parking (Yellow Level or White Level), and if you have an Undercover Self Parking (Yellow Level, White Level or Red Level) booking, you’ll be upgraded to a VIP booking (Blue Level) – it’s that easy!

  1. Search for the best car rental deal right here and take note of your car rental booking reference number
  2. Check your Park on King booking reference number in your booking confirmation email
  3. Send us an email to with both your car rental booking reference number and your Park on King booking reference number. You’ll receive a confirmation email back from us with your new booking details once your booking upgrade has been processed.

Note: (*) Free upgrades are subject to availability

thrifty car rental
hertz car rental
Europe car rental
budget car rental
redspot car rental
Aerodrive car rental
Atlas car rental
Jucy car rentals
Ace car rental
Eastcoast car rentals
Firefly car rental
Apex car rentals
Alamo car rentals

Park on King connects you to the biggest brands in car hire — Thrifty, Hertz, Europcar, Budget, Redspot, Aerodrive Car Rental, Atlas Car Rental, Jucy Rentals, Ace Rental Cars, East Coast Car Rentals, Dollar, Firefly Car Rental, Apex Car Rentals Australia, Alamo, National, Avis, Carhood, Apollo, Enterprise, Alpha Car Hire, SiXT Rent a Car, Keddy, Auto Europe and more!