I found this oil filter chart comparing various oil filters. It's on a site that sells NAPA filters so keep that in mind when lookng at it. It has similar info to the old oil filter study that was out but in a more user firendly set up.
http://www.fleetfilter.com/filter-comparisons.html
http://www.fleetfilter.com/filter-comparisons.html
Tags 2011, chart, charts, comparable, comparision, comparison, comparisons, filter, filters, gm89017342, list, oil, oilfilter, ratings, review