Storage needs vary depending on the version and platform you use:
GTA 5 benefits enormously from fast storage. Here’s how different drives perform: Gta 5 Pc Size
Download files are compressed (Rockstar uses proprietary compression). During installation, these files are decompressed, and additional temporary files are created. Once installation finishes, the temporary files are deleted, leaving a final size that is always larger than the download. Storage needs vary depending on the version and