In Smashy Road Wanted 2, there are mystery vehicles you can unlock by completing missions.
- Bearbit Racer: Unlocked by collecting all 10 of the Smashy Road letters. "Collect SR ltters"
- Zombie Smasher: Unlocked by killing or running over 40 zombies at the Haunted House. "Zombies"
- Clown Car: Unlocked by equipping the NoFun character and entering the Clown Car at the circus. "Key to Success"
- Policecar: Unlocked by stopping the bank robber by either destroying the robber's truck or by entering it. "Bank Robbery".
- WaterJet 3000 Unlocked by extinguishing 6 fires at the factory. "Fire Fighter"
- Circuit Boss: Unlocked by finding a race track, entering one of the cars already there and finishing 1st place in the race.
- Stunt Car: Unlocked by launching off of a jump and exiting the car midair while the Stuntman character is equipped. "Perform a Stunt"
- Oil Transporter: Unlocked by driving an oil truck without exploding for about 20 seconds. "Living on the Edge"
- Tank: Unlocked by equipping the special character The Contract (obtained from entering the tank at the military base), and then entering the tank in the military base a second time and blowing up 10 Enemies in 40 seconds . (Note: this quest is fairly challenging; it may take a few tries)
- Armory: Unlocked by walking over 25 landmines with the legendary character Tik Tok Boom equipped.
- Rodeo Drift: Unlocked by equipping the Cowboy character and finding a cowboy roaming around in a desert village, and approaching the cowboy.
- Robocar: Unlocked by equipping the Roboboi character and entering his Robocar, found on the side of the road in a city. "Look for my Robocar"
Trivia:
- Clown Car, WaterJet 3000, Oil Transporter and Tank are the only mystery vehicles that have special abilities.
- Smashy Road Wanted 2 is the first game to have mystery vehicles.
- Smashy Road Wanted 2 Is the first game to have missions: Main and side missions.