The German Tigers and Panthers although quite powerful and capable of doing more then any other German tank in their inventory, they were few in number and available to later in the war. The tiger was also hard to produce so even less were completed, so they cant possible fit into this thread.

So yes the PanzerKampfwagon IV (PzKpfw IV) wins

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They shall grow not old as we that are left grow old Age shall not weary them, nor the years condemn
At the going down of the sun and in the morning
We shall remember them. Lest We Forget