Unfortunatly there isn't. But the Comet is the fastest car in the game. Here's the cheat - 227-555-0175
890-453-9655 is the cheat of nitro in GTA iv PS3.
No, there is not an armored truck cheat for GTA IV.
no
its a mod, no cheat
No, There is not a ragdoll cheat for GTA IV.
They are on Google.ca
No there is not
You
No
Nope.
the cheat code is 3595550100
There is no cheat, however if you own a pc version of GTA IV, then you could use a mod, try gtagaming.com for this and many more GTA mods.