In BeamNG what is an optimal setup for the following: I'd like to know what matters the most [I assume Tris is what most go by] and what is an optimal amount and the max amount you should ever use, this would really allow me to have an understanding of how detailed one can go before using normal for enhanced detail. without causing a huge performance impact. Tris Faces Verts
While I can't speculate on the limits of Torque, all measurements should be done in regards to triangles. Bear in mind that a quad or n-gon is just multiple triangles conjoined into the same consecutive face for editing convenience purposes.