Resistance One

In the IDW continuity, the Hot Rod is a spaceship in  that resembles a 1950s   car. First appearing in The Trial of Krang, part 1, it features throughout the miniseries Teenage Mutant Ninja Turtles: Dimension X as it ferries the around vast swaths of  so they can gather witnesses to testify against  in war crimes court.

Trivia
The Hot Rod is a nod to Hot Rodding Teenagers from Dimension X, a 1987 TV series episode which introduced that continuity's version of the.