Look at the brochure. For example LED headlights were only in 5. Leather without LED is a 4. A 3 will have JBL stereo without leather or LED. No JBL it’s a 2.
Look the plate in door cr /tr is trim code usually way down at the bottom a bit below the centered VIN number along that bottom row CRTR there's some other code designation maybe the paint code what have you then you can look up the codes that you have under that CRTR and convert it to your trim levels
This knowledge base article should have the info you need: 3G Prius (2010-2015) Standard and Optional Equipment (Some Countries) | PriusChat