We tend to ask ourselves one question in cases like this: is this a new distinct model, or is this a trim level? We don't want to approve slight variations like LX vs. EX versions of a model. So we use google to try to find the answer. One metric we use (right or wrong) is whether or not the new potential model has its own wikipedia entry. In this case,
Skoda Octavia has its own entry, but the Skoda Octavia Vrs does not. From reading the article, it looks like the Vrs is identical except for a slightly different engine. I'm not sure it warrants its own branch, but it's not a bright line one way or the other in this case.