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

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