The group used the iconic Scooby Doo-themed VW Crafter van to travel between gigs from 2013, reported FemaleFirst.
The vehicle is a 2011 model, which cost 70,000 pounds to convert into a luxury cruiser and it is a replica of the Mystery Machine from the popular cartoon series from the outside.
The van boasts heated leather seats inscribed with LM and ZM for Louis Tomlinson and Zayn Malik, along with a fridge, microwave and also has a roof covered in pages from comic books encased in perspex.
It also is said to have 55" Sony Bravia plasma TV screen, two smaller televisions on the sides, a Sony PlayStation, Xbox 360 and a Nintendo Wii.
The vehicle will be sold at a silent auction, meaning the winning bid will not be disclosed by Ashtons car dealers.
Sales manager Oliver Cox said: "There has been a lot of interest in it. I'm hoping for six figures for it, and the bids are already getting towards 100,000 pounds.
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