ProcessWire - Datenbank manuell abfragen

https://processwire.com/talk/topic/1684-reading-and-displaying-data-from-a-custom-table/
http://processwire.com/api/include/ (Bootstraping -> import data to recide in PW

Snippets

Datenbankabfrage aus PW

$result = $this->db->query("SELECT id, name, title, url FROM yourtablename WHERE id=$id");

Externe Daten als Seite (mit URL) ausgeben

But if that data needs to stay external, then Sinnut's solution is a good way to go. You would use the DB's primary key (or some other unique column) to serve as the urlSegment that loads the page. You'd setup one page/template to handle all that data, and it would find it like this:

$key = (int) $input->urlSegment1; 
if(!$key) throw new Wire404Exception();

$result = $yourDB->query("SELECT make, model, year FROM your_table WHERE id=$key"); 
if(!$item->num_rows) throw new Wire404Exception();

list($make, $model, $year) = $result->fetch_row();

echo "<ul>";
echo "<li>Make: $make</li>";
echo "<li>Model: $model</li>";
echo "<li>Year: $year</li>";
echo "</ul>";