Complete the indicated activities or tasks to unlock the corresponding reward.

Akuji's prototype bike: Ronin mission 11.
Attack helicopter: Epilogue mission 4.
Bandit: Multiple driving stunts.
Brotherhood vehicles: Brotherhood Mission 11.
Buggy: One Chop Shop list.
Combine: Two Chop Shop lists.
Demolition derby vehicles: Demolition Derby level 6 in University.
Donnie's vehicle: Brotherhood mission 2.
Escort vehicles: Both Escort instances.
Gang customization cars: 15% hoods conquered.
Gang customization cars (more): 45% hoods conquered.
Gang customization cars (even more): 65% hoods conquered.
The General's Bulldog (Hummer with unlimited chaingun ammo): Sons of Samedi Mission 11.
Julius' car: Bonus mission 1.
Maero's monster truck: Brotherhood mission 11.
Medical helicopter: Ronin mission 7.
News helicopter: Sons Of Samedi Mission 3.
Ronin vehicles: Ronin mission 11.
Saints ambulance: All Ambulance missions.
Saints fire truck: All Firefighter missions.
Septic truck: Both Septic Avenger instances.
Sons of Samedi vehicles: Sons of Samedi Mission 11.
Super Taxi: All taxi missions.
Tornado attack helicopter: Final mission of the Ultor epilogue.
Ultor APC: Epilogue mission 2.