Less than $50 bike rack for small hybrid?

So I have a honda crz, 2012 and I want to take my bikes on a road trip. Clearly I cannot stick them in my trunk, and after looking on amazon(it has my price range) I found a few and some said that they would not fit my car, but other bike racks did not have the option to put in my car model and year. So my question is what is a good bike rack that will fit my honda crz 2012 that can handle 4 hours on the interstate in my price range?

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