¿Cómo saber si un auto usado es una buena inversión?

ACF: none

        Array
(
    [post_type] => post
    [post_status] => publish
    [posts_per_page] => 10
    [tax_query] => Array
        (
            [relation] => AND
        )

    [tag] => carros-usados-baratos
    [orderby] => date
    [order] => DESC
    [meta_query] => Array
        (
            [relation] => AND
        )

)
      