Classic sedans from GTA IV, based on the 1992-1997 Ford Crown Victoria Police Interceptor and the 7th generation Chevrolet Impala SS in real life.

Cars included:

Ordinary cruise ship
Police patrol
Taxi
Features:

Realistic appearance and interior.
Headlights and siren for a police car (ALS is required, see the list of dependencies).
Support is spawn.
Required: Advanced Light System and YLVF (Yulun's Vehicle Frame).