here are some other GM products,or concepts with 'Template' comparisons,either I or II.
*1970 Trans AM
*1982 GM Aero-X,Cd 0.25
*1983 GM Aero 2002,Cd 0.14
*1984 Chevy Citation IV,Cd 0.185
*1987 GM Sunraycer,Cd 0.089-0.143
1992 GM Impact LSR,Cd 0.14
*1999,USCAR/PNGV 'Precept',Cd 0.163
*2010 Chevy Corvette C6 ZR1
*2014 Cadillac CTS Vsport
*2014 Chevy Camaro
*2014 Chevy Corvette Stingray,Cd 0.29