The ecoboost 3.5 just doesn't have many comparables yet, but Blackstone test reveal 3 categories, wear being similar. Miles, sus vis @210F, cst vis. A 100C, and TBN...1. MC semisyn 4629 miles, 50.3, 7.36, 2.0...2. Castrol edge 4909 mile, 55.9, 9.03, 3.9...3.MC semisyn 5077 miles, 48.2, 6.73...