Since you are on PC, you are not stuck with 2008 visuals. Join the "MCLA Modding Discord" community to find:
Before we dive into settings, you need to choose your path. There is no native PC port, so we rely on emulation. You have two primary options:
Choosing the right emulator depends entirely on your computer's hardware specs. Emulator Comparison: Xenia vs. RPCS3 How to Play Midnight Club LA on PC - Xenia Best Settings
Set the following: