IMSA's GTD Pro class exists for the manufacturers ... drivers and the same pool of resources that it brought to the pro-am GTD class last year. As Sellers notes, that competition level means ...

11 GTD Pro and 20 GTD entries. The Florida race will mark the IMSA debut of Aston Martin’s new Valkyrie, which will also become the first LMH car to compete in the GTP class. Six manufacturers ...