Installing a new HDD in a PS3 takes 5 minutes (Sony officially supports it). Once upgraded, you can install the official 18GB GTA V from your disc or PSN without compression glitches.
"I downloaded a 6.4GB rip of GTA V for my 12GB super slim PS3. After install, I had 300MB left. The game ran fine, but the radio would cut out for 10 seconds every hour. Worth it to save $20 for a hard drive upgrade." The Better Alternative: Upgrade Your PS3 Storage Before you waste hours downloading risky compressed files, consider this: A 500GB internal 2.5-inch SATA hard drive costs roughly $30-$40 on Amazon. A 1TB drive is about $60. Gta V Ps3 Highly Compressed
However, there is one massive problem: The standard digital version of GTA V on PS3 occupies approximately 18 GB (including the mandatory "Play disc" installation). For a console with a standard 12GB, 20GB, or 60GB hard drive, that is a devastating amount of space. Installing a new HDD in a PS3 takes