You may also want to turn down the extended distance scaling as it would cost more video memory. So try to adjust the FPS limit of the game. The high FPS could be causing the stuttering and lag issues in GTA 5.
Once the update is complete, restart your computer and check to see if GTA V runs smoothly.
Download the driver, then double-click on the downloaded file to install it in your computer. To update your driver, go to the manufacturer’s website of your graphics card, and search for the most recent driver that is compatible with your variant of Windows system. You can update your GPU driver to the latest version to solve the issue. The GTA V stuttering could be caused by an outdated or corrupted graphics driver on your computer.
Your game can lag or stutter for several reasons, such as hardware issues, corrupt graphics drivers, software conflicts, etc. The good news is it’s usually easy to fix. If you’re suffering from this weird GTA 5 stuttering, don’t worry, you’re not alone.