hopIQ found 10 beers with the same roasted and chocolate character as Yuengling Porter. One of America's oldest surviving porter recipes. Dark chocolate and roasted malt with a light sweetness and clean lager-like finish. Yuengling has been brewing porter since the 1820s — possibly the oldest continuously produced porter in America. Ranked by flavour match rather than popularity.
Closest match: Knockmealdown Porter — 83%. No twin in the catalogue yet.
5 countriesmatched across 56 flavour tagsbest match 83%

No beer in the catalogue yet — these come closest.
Close on what matters, with one thing they do differently.
Same idea, less detail — open a beer to see the full comparison.