add_shortcode('sedan-tabs','build_sedan_tabs');
function build_sedan_tabs(){
    $args1 = array(
        'meta_key'   => 'vehicle-type',
        'meta_value' => 'Sedan',
        'posts_per_page' => '4'
    );
    $query1 = new WP_Query($args1);
    while ( $query1->have_posts() ) {
        $query1->the_post();
        $currentPostID = get_the_id();
        $querySedans =  '<div class="col-sm-3><div class="display-car"><img src="' . get_post_meta(get_the_id(),'wpcf-vehicle-images', true) . '"/>' .
        '<h3>' . get_post_meta($currentPostID,'wpcf-vehicle-year', true) . ' ' .
        get_post_meta($currentPostID,'wpcf-vehicle-make', true) . ' ' .
        get_post_meta($currentPostID,'wpcf-vehicle-model', true) .'</h3><p>' .
        get_post_meta($currentPostID,'wpcf-vehicle-mileage', true) . ' ' .
        get_post_meta($currentPostID,'wpcf-vehicle-transmission', true) . '<br /><strong>' .
        get_post_meta($currentPostID,'wpcf-vehicle-retail-price', true) . '</strong></p></div></div><a href="' . get_permalink($currentPostID, false) . '"></a>';
        return get_the_id();
    }
}