BRISBANE'S LARGEST RANGE OF USED CAR'S At bigboxcars we have discovered a better way to buy and sell used cars. We have taken away the bits that were most painful and re-invented the whole process! It’s now as simple as – ‘Choose – Buy – Enjoy’. Choose from our huge range of used cars all in the one place, all under one roof. Buy with the confidence of our 48 hour money back guarantee, Australia wide delivery, and most of all, our 'haggle free' fixed price promise. Enjoy the bigboxcars experience, as our guides walk you through the process that has set a new standard for purchasing a used car in Australia.