No
There were 17 exhibitors at the first show in 1907. How many cars were on exhibit I cannot determine.
Chevy cars
The best auto shows that have the best concept cars are ones run by the companies themselves like the New York Auto Show at the Jacob Javits Center.
The Car Coach - 2011 Dream Cars at the New York Auto Show was released on: USA: 9 May 2013
Cars-TV - 2009 Los Angeles Auto Show 10-17 was released on: USA: 17 March 2013
Cars-TV - 2009 Los Angeles Auto Show 9-5 was released on: USA: 24 October 2011
Cars-TV - 2009 L-A- Auto Show 3 7-21 was released on: USA: 10 May 2010
They were pre-production Show cars destined for the auto show- but went down with the old Tub. One was supposed to be an Isetta.
Cars-TV - 2009 Los Angeles Auto Show 2 9-21 was released on: USA: 14 May 2012
Cars-TV - 2009 LA Auto Show 2010 2 8-21 was released on: USA: 11 May 2011
Cars-TV - 2009 North American International Auto Show 2 9-11 was released on: USA: 6 February 2012
The new Audi, BMW, and Mercedes-Benz models were listed as the five hottest cars in the most recent New York Auto Show. The new Jeek Grand Cherokee received an honorable mention.