This is a 1/64 (scalable to other scales) scale models of Stryker M1132 ESV.
The ICV (Infantry Carrier Vehicle) Stryker is a family of eight-wheeled armored fighting vehicles derived from the Canadian LAV III. Stryker vehicles are produced by General Dynamics Land Systems for the United States Army. It has 4-wheel drive (8×4) and can be switched to all-wheel drive (8×8).
The vehicle is named for two unrelated U.S. soldiers who posthumously received the Medal of Honor: Private First Class Stuart S. Stryker, who died in World War II, and Specialist Four Robert F. Stryker, who died in the Vietnam War. 
This model can be printed at different scales, for smallest scale like N scale a SLA or DLP printer is recommended.