Here are possible matches for a Chevy Avalanche: Not sure if photos are actual images of vehicles (black in photos) or stock photos.
Reports For Plate Number 6PC374 In Missouri, United Statesfindbyplate.com
Oh wow, thank you for the replies and everything. How on earth did you decipher this? What picture did you focus on the most, and what imaging software assisted? Did you write a script to try a bunch of combinations?
When I do the cars that I know, it's more of stock photos.