This cheat involves creating a .txt file in the game directory. Name the file LOCAL.INI and add these cheats to the text.

• All cars in all episodes: FE_UNLOCK_ALL_CARS=TRUE
• Skip to the next mission: CanAlwaysPlayNext=TRUE
• Car becomes monster truck: MONSTER_TRUCK=TRUE
• Car get big bands: CARLOS_FANDANGO=TRUE
• Auto-Play: PlayerUseAI=TRUE CPU
• Disables conversations: PlayConversations=FALSE
• Disables sound: DisableAllSound=TRUE
• Disables skid marks: DisableSkidMarks=TRUE
• Enables free roam mode: FE_Enable_Free_Roam=TRUE

When pursuing another vehicle, the quick and easy way to destroy it is to drive up on the side and nudge the vehicle into a wall or a solid structure to a point where the vehicle cannot move. From there you can shoot the vehicle very easily.