Dont you just love the look of the Sentinel GTS well me too so i made a police version so heres my Unmarked Police Sentinel GTS. Simply drag and drop it into your server. For further customization, separate carcols, carvariations, handling, and vehicles.meta files are included so you can set up just how you like it.
Installation
Open either the B&B or the R&B folder depending on what color lights you prefer
Simply drag and drop the folder called sentinel5p into your resource folder