
In Grand Theft Auto: Liberty City Stories, the player can access several vehicle challenges by using different, specific vehicles.
GTA Liberty City Stories Vehicle Challenges
Vehicle Missions: Firefighter

How to start: Can be accessed while inside of a Fire Truck.
Rewards: The player becomes Fireproof
During this challenge, the player must use the fire truck's water hose to extinguish burning vehicles throughout the city. Each of the 12 levels is more difficult than the previous, multiple burning vehicles or erratic burning pedestrians appearing in the mission. Completing the last level turns the player fireproof, allowing for difficult missions to be passed more easily.
Vehicle Missions: Paramedic

How to start: Can be accessed while inside of an Ambulance.
Rewards: Infinite Sprint
The challenge requires the player to pick up hurt civilians throughout the city and deliver them back to the hospital in a short time limit. Each of the 12 levels (9 on mobile) requires the player to deliver more patients and is more difficult than the previous. Every level completed awards a sum of cash, respecting the formula
x * 100$
where x is the current level. Completing all 12 (9) levels unlocks Infinite Sprint for the player.Vehicle Missions: Taxi Driver
The player must pick up pedestrians and deliver them to their desired locations. Each fare has a time limit and a specific destination - completing 100 fares during the mission awards the player the Bicke'76 taxi, which begins spawning at the Mean Street Taxis Company in Trenton.
Vehicle Missions: Vigilante

How to start: Can be accessed while inside of a Law Enforcement Vehicle.
Rewards: 100% increase in armor capacity.
The challenge requires the player to chase down one or more criminals and take them out using their own weapons. The criminals are always usually in vehicles, so the player must first force them to get out. Performing a PIT maneuver or flipping the criminal's vehicle will do the trick. There are 12 levels (9 on mobile) to complete, and every level is more difficult than the previous. Completing all 12 (9) levels awards the player a 100% increase in armor capacity.
Vehicle Missions: Trash Dash

How to start: Can be activated while inside of a Trashmaster trash truck
Rewards: Various amounts of cash
The mission requires the player to collect trash cans using a Trashmaster trash truck. After collecting the first dumpsters, the player has 40 seconds (30 in Portland Island) to collect a new one. Once all of them are picked up, the player must return to the Harwood Junkyard on Portland Island.
Completing the mission on all 3 islands is required for 100% completion, and every island awards the player a different amount of money:
- Portland Island - $2.000
- Staunton Island - $3.000
- Shoreside Vale - $4.000
Vehicle Missions: Activity Info
- Required for 100%Yes