Medium - Pz.IV
Tank destroyer - either Pz.38t or Pz.II - with the centre-mounted engine, i.e.
Marder III Ausf. M, Sd.Kfz. 138 if the Pz.38(t) used
or the Wespe chassis if the Pz.II used
In both cases - 75mm mle97 or equivalent as gun. Of which the Germans have +4K to give away. Good enough until...