Sony hasn't released a new PlayStation Portable (PSP) model since the PSP Go launched in 2009. The entire PSP line was officially discontinued in 2014, so there is no "latest" model available for purchase new in Saudi Arabia (KSA) or anywhere else.
You may find used PSP units on local classifieds (like Haraj, OpenSooq), Facebook Marketplace, or international sites like eBay and Amazon. Prices vary significantly based on:
Expect to pay roughly 150–400 SAR for a functional unit, with limited editions or mint-condition PSP Go models commanding higher prices.
If you want a supported handheld experience, consider: