Remember the Nazi's invasion depended on their multiple tank groups making a very fast progress through this country, until they reached Moscow. It was not total war combat until much later.
Many of them were halted or destroyed when they faced a single inantry group backed by a KV-1. That was enough to cripple their invasion (among the other equivalent Russian tanks).
If you don't believe my account I highly recommend this book which is the best coverage of the eastern front, and questions much of the popular accounts of WW2 with some great research and plenty of citation: