This is a virtuosic transcription based on Beethoven's 'Ruins of Athens'. It showcases Liszt's ability to transform orchestral textures into brilliant, pyrotechnic piano writing.
The primary challenge lies in maintaining crisp articulation and evenness during the rapid, wide-ranging octave passages.
Comparable difficulty and character — good candidates for what to learn next.
Capriccio alla turca sur des motifs de Beethoven (S.388) is rated Henle level 8 of 9 — concert repertoire, roughly diploma level. In the RCM system it corresponds to about level 10.
You should be comfortable at Henle level 8 — meaning you can already play level 7–8 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Capriccio alla turca sur des motifs de Beethoven (S.388) lasts about 6 minutes.
Capriccio alla turca sur des motifs de Beethoven (S.388) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Hungarian Rhapsody No. 2 in C-sharp minor by Franz Liszt, Capriccio alla turca on Ruins of Athens by Franz Liszt, Capriccio alla turca by Franz Liszt — see the full similar-pieces list on this page.