For the 2016 Subaru Impreza, the high-beam headlight uses a 9005 bulb. Low-beam fitment depends on the headlight type: vehicles with halogen headlights use H11, while vehicles with HID headlights use D2R. Confirm whether your Impreza has halogen or HID headlights before ordering low-beam replacements.
Fog light options listed for this model are H11 LED and 2504 LED. The front turn signals use 7440A, and the rear turn signals also use 7440A. Brake and tail lights use 7443R.
Other listed fitments include 168 bulbs for the license plate, parking lights, front side markers, and trunk light; the rear side markers use 7443A. Interior dome and map lights use DE3175. No reverse-light bulb fitment is listed in the supplied data.