2020 Dodge Challenger SRT State Police for GTA 5. The 2020 Dodge Challenger SRT State Police is a special version of the Dodge Challenger SRT designed for police use. This vehicle is equipped with state-of-the-art technologies and features to help police keep the roads safe and perform their duties efficiently. The car has special light beacons and sirens that allow the police to attract attention and block the road if necessary. It is also equipped with a radio communication system that provides reliable communication with other police and dispatch services.