Bidders and spectators were left shocked Saturday when a $25 million bid went unaccepted by Jerry Seinfeld, who refused to part with his 1969 Porsche 917K. If the offer was accepted, the quarter million dollar sale would have been historic for the Mecum Auctions,

A legendary 1969 Porsche 917K, once owned by Hollywood icon Steve McQueen and currently in possession of comedian Jerry Seinfeld, is set to hit the auction block at Mecum's Kissimmee event last Saturday. The car is tipped to become the most expensive Porsche ever sold.

The car has been owned by Porsche collector and sometime comedian Jerry Seinfeld since 2001. He is an avid fan of the brand and has owned dozens of the marque’s models. The 917K

Porsche 917, which was owned by and driven by Steve McQueen in the film Le Mans, was put up for sale at Mecum's Kissimmee auction - but Jerry Seinfeld decided against selling.