Special Vehicles

Through the GTA III and IV eras, there are special vehicles which have unique properties, such as being bulletproof (BP), fireproof (FP), explosion-proof (EP), damage-proof (DP), pop-proof, and/or having unique paintjob.

Destroying a special vehicle
Not all special vehicles are indestructible. There are many of ways to destroy a BP/FP/EP/DP car, this includes:
 * Flipping the car up-side down
 * Getting hit by a Rhino
 * Sinking the car
 * Using the Blow-up all cars cheat
 * Getting in the car while on fire
 * Taking it to a girlfriends' house and have coffee with her then the car will lose its special property and simply become normal.

Grand Theft Auto: Liberty City Stories:

 * the Bickle '76 is a rare car but is obtainable, you are awarded it after you get 100 fares on a taxi mission.