They get cars from previous owners so it may be in fact possible but like the other person added call ahead or register for the website and they can let you know what's going up for auction that Saturday or that Wednesday
Unfortunately there is no way if knowing when any particular model will run, what you can do is register on their website and you'll be able to check ahead of time for any cars you may be interested in.
Those are rare. Look on their website for listings every Wednesday and Saturday.
It depends there is no consistency in the cars that are there
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