The Demler Special was a racing car created to compete in the Indianapolis 500. He debuted in 1958, taking second place overall.

The car was built by the American Quin Epperly in 1958 to compete in the Indianapolis 500. The engine was built at a cost of $9,000 by Meyer-Drake Engineering and was an Offenhauser 255 cu (4,178 cm³) model. In 1966 this engine was replaced by a General Electric Turbine, placing the car as one of the first to bring this type of propulsion system into competition.

In its first year of participation in the Indianapolis 500, the car was entrusted to George Amick, who managed to finish second in the standings starting from twenty-fifth position on the grid. The following year, due to Amick's death in an accident, the vehicle was entrusted to Paul Goldsmith who, starting from sixteenth position, finally finished fifth. In 1960 he managed to finish third starting from twenty-sixth place.

In 1961 there was a change of driver and Jim Hurtubise was selected to drive the Demler Special, but the latter was forced to retire due to piston failure. In 1962 the American driver didn't even manage to qualify due to two accidents he suffered during qualifying. In 1966, entrusted to Al Miller and Bill Cheesboug, the car proved to be very fast, but was forced to retire due to problems with the braking system. It was the vehicle's last participation in a competition.