Upgrading SONIC Into FASTEST EVER In GTA 5 Sonic The Hedgehog starts super slow as just level 1 speed in GTA 5! So in this fast GTA V adventure, we are going to upgrade his speel to level 1 million to unlock Sonic's ultimate speed in GTA 5! Then, we are going to run around the entire world to see if we can break the world record running! I Upgrade Sonic in GTA 5! 🔷 Follow my Instagram! https://www.instagram.com/imuffin_off/ ❤️ Have you subscribed yet? #gta #gta5 #gtaonline #imuffin #runsonic