The best list of cheats is at http://www.cheatcc.com/xbox...
There are some new cheats for GTA 5 at http://www.cheatcc.com/xbox...
Spawn Caddy
Spawn Duster
Spawn parachute
Spawn Rapid GT
Slow motion mode
There will definitely be a lot more cheats for this game. This is just the list so far. There are constant updates with new cheats being added to that page.
All these cheats were stolen from CheatCC.com. They took them all from: http://www.cheatcc.com/ps3/...
To top it off, there was already an article submitted last week revealing the cheats from CheatCC.com: http://www.n4g.com/NewsCom-...
They were at CheatCC.com first.
You can have a lot of fun with these new cheats!