Aurora police say no taxpayer money was used to purchase the vehicle.
The nine-ton vehicle is armored and stops most gunfire, police say, meaning it can be placed much closer to a scene and in most cases, should greatly reduce the time it takes for officers to take action.
The new armored vehicle joins a second Special Response Team truck that was also purchased with seized drug money in 2003.
Aside from the SRT vehicles, a Forensic Investigation vehicle and Mobile Command Post have also been purchased in recent years with seized drug funds, Aurora police say. The four vehicles are worth about $1million total.