this didn't take long... the Optima Ultimate Street Car Challenge has become dominated by Chevys

6 Corvettes, the oldest is a 1999... then an '03, '06, '07, '11, and a 2012

5 Camaros,  3 are pre-1971, 1 1967, 1 1969s, and 1 1970 then a 2013 and a 2014

2 Mustangs...  one is a '66 - the oldest car in the tops points standing
1 GT R

Ken Thwaits is driving both a Camaro and an Evo

After 9 events, the GTL leaders are
Mike DuSold       1967 Camaro             1,458 points
Rich Willhoff       2006 Corvette            1,457 points
Ken Thwaits        2006 Mitsubishi Evo  1,441 points
Karl Dunn            2002 Corvette             1,413 points

Nothing newer than a 2014 Camaro. So, no turn key just bought race cars like a GT 350 or a Z 28
No Mopars

https://www.optimabatteries.com/en-us/experience/2016/09/top-performers-optimas-2016-search-ultimate-street-car-so-far
https://www.facebook.com/DriveUSCA/