Since cheats don't work for the Infernus, your best bet is to get one through the story:
It offers excellent cornering ability, making it perfect for maneuvering through heavy traffic in Alderney or Algonquin. gta iv infernus cheat code
So, while the search for a "GTA IV infernus cheat code" is a dead end, the journey to own it is a far more rewarding part of the game's classic design. It forces you to interact with the world, complete side missions, and earn your prize—a concept that adds immense value to a car that is already one of the best in the game. Since cheats don't work for the Infernus, your
Using the Infernus cheat code comes with a major catch: it permanently blocks the achievement/trophy on your current save file. Using the Infernus cheat code comes with a
(Left Bumper + Right Bumper + D-Pad Left + A + Right Bumper + D-Pad Right + Left Bumper + D-Pad Right + A + D-Pad Right)
Look around; the vehicle spawns directly in front of or next to you.
Since you cannot spawn it with a code, you must obtain it through specific missions or gameplay triggers: Bernie Crane’s Reward : The most reliable way is to complete the mission "Buoys Ahoy"