gloss finish for a Tamiya Eunos Roadster? - Paint

I'm sure this has been asked many times, but i really can't decide how to go about the next stages with this car body.. i have read about applying clear, or varnish, or sanding down with wet and dry first, or polishing ? have these products already at home, do you think they would be suitable?

Tamiya 124th Eunos Roadster Step By Step Full Build

Tamiya 124th Eunos Roadster Step By Step Full Build

Tamiya Mazda Eunos Roadster - Work In Progress - Vehicles

Tamiya Eunos (Mazda) Roadster MX-5 (Miata NA) – Supar Robo

Tamiya 124th Eunos Roadster Step By Step Full Build

1990 Eunos Roadster - Model Cars - Model Cars Magazine Forum

Tamiya Mazda Eunos Roadster - Work In Progress - Vehicles

For those who wanted more. Here's the Tamiya Eunos Roadster. I'm not the best at model painting. And ripped a couple decals. But I think it turned out good. For sure will

View topic - Toyota bB - COMPLETED

Tamiya 124th Eunos Roadster Step By Step Full Build