Which of the DASHCATs are close to CAT level?

There is no such thing as CAT level which keeps changing from year to year. AIMCATS are very tough. But DASHCATs are only slightly tougher. So, assume all DASHCATS to be same as CAT and it will only help in the actual CAT exam. And if a mock is tougher use that to practice for the surprise element factor on D-Day.