Which is the better paint out of Kelly Moore Sherman Williams or Behr paint?

Behr thinks so, I believe they are correct.

I've used both. Try a blind paint test. Pour out some Behr Premium Plus Ultra and some Sherwin Williams Duration. Have someone roll both on a white primed piece of drywall. Watch the coverage. It's visually distinct. Behr wins hands down. Now try Behr Premium Plus and Sherwin Williams Pro Mar 200. Now you really see the difference.

I've used both on my rental properties. Behr allows me to save money and time. Fewer coats are needed. The pealing exterior window frames cover well with Ultra paint and primer in 1. The paint shell that follows after drying is hard and durable. So far one winter shows no sign of degrade, fading or discoloration.

Home Depot's pricing .is remarkable less than the Sherwin Williams. Unless I receive some stimulus to buy other paint- Behr is all I will buy