Because yours isn't? lol
Red is a hard paint to get good coverage with.
One trick is to prime with a med grey first, then the red looks richer. With many paints it will take 3-5 coats to get full red. There are a few that can get there quicker. I don't thing Valspar is one of them..
"It's better to come here with questions before you screw up than to come here after and ask how to fix them."- JS