It sounds like you're looking for a repack of Grand Theft Auto IV (version 1.0.7.0) that runs better on an NVIDIA GTX 1070.
With a GTX 1070, you have headroom. Do not max out the "View Distance" (40 is fine). Use these settings: download repack gta 4 1070 better
This is where community patches come in. If you have searched for a fix, you have likely come across the "GTA 4 1070 Better" repack. But what exactly is this version, and is it the right choice for your PC? It sounds like you're looking for a repack
Commandline Fixes: To bypass the common "512MB VRAM limit" bug where the game fails to recognize modern GPU memory, create a commandline.txt in your game folder with the following: -availablevidmem 8192 (matching the 1070's 8GB VRAM). -norestrictions to unlock all graphics settings. ✅ Repack choice: DODI Repack v1
Simply downloading a 1.0.7.0 repack isn't always enough to make the game run perfectly on modern Windows 10 or 11 systems. To truly make it "better," you should apply these essential community fixes:
Install to an SSD. GTA IV streams textures inefficiently; an SSD fixes the "pop-in" that even a 1070 can't bypass.
ZolikaPatch: Provides various essential fixes, such as removing the "out of memory" error and fixing the stuttering caused by the legal splash screens. Summary of Minimum System Requirements