From the unmistakable shrill howl of the four-rotor 1991 Mazda RX-7-001 GTO to the thundering Chevrolet V-8 growl of a 1985 ...

And with AAR’s move into IMSA with Toyota in the GTO class in 1986, Moran received the honor of a lifetime when he was hired ...

A Swedish Audi fanatic seems to think so, too, and has gone to extreme lengths to transform a workaday Audi 90 into the IMSA GTO version of that car. Not wanting to go the stripe-and-bodykit route ...

GTP and GT classes will see an additional variable added into the equation meant to even out the performance playing field.

This procedural change in the homologation process used by the WEC may facilitate more Hypercar entries in IMSA events. Thus far, Ferrari, Peugeot and Toyota, all built to the Hypercar rules ...

IMSA Classic Saturday morning at the 63rd Rolex 24 At Daytona truly offered race fans and competitors alike a period-correct ...