This is only a Paintjob works!
If to use it you will need to download "GTA V Annis Elegy Retro" converted by M4k3:
https://www.gtainside.com/en/sanandreas/cars/105369-annis-elegy-retro/

Or "GTA V Annis Elegy Retro Custom v.2" converted by Automan:
https://www.gtainside.com/en/sanandreas/cars/101440-gta-v-annis-elegy-retro-custom-v-2/