When you add a D onto the letters GT, you get a very different type of Mustang altogether. We list ten major differences between these two pony cars.

There’s a GTD setup guide available now, but I don’t think I would recommend it. I’ve only looked at the preview, but the things they suggest there are very strange.

Ford has done it: the recent visit to Germany's Nürburgring Nordschleife with the Mustang GTD has become literally something for the record books.

With the other three full-season entries out, the No. 23 Porsche will be under the microscope as the manufacturer's only GTD rep at VIR this weekend.