A chance stop at Target in Cleveland TN yielded these two. No. 7 is a heavily customized 1969 Ford Mustang. The extended fenders and other aero mods remind me of the Group 5 racing cars circa late 1970s-early 1980s. I'm not sure if this represents an actual custom rod or if it's a flight of HW imagination - the card pic may be photoshopped. I could not find a 1:1 image online - the custom Mustangs there look tame by comparison. The actual color is a smidge toward turquoise which my camera failed to zero in on.
No. 8 is the Porsche 911 GT3 RS in road trim. The colors look just like this one (likely the press intro car): https://www.porsche.com/stories/innovation/eight-things-you-need-to-know-about-the-911-gt3/. Everybody and their uncle will be making their versions of this.
I think the 'Stang might just be a copy of the 1/64 HW, which their designers probably made up!
https://creations.mattel.com/products/hot-wheels-elite-modified-69-ford-mustang-hgw13
Two GREAT looking Hot Wheels cars!