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:Mazda MX-5 Part 2 Tamiya Spray can tutorial

1:24 Mazda MX5 Roadster ND (2015) - Detail up Set - (PE and Resin) (Tamiya), HD02-0335

Tamiya Mazda Eunos Roadster - Work In Progress - Vehicles

1:24 Mazda MX-5 Window Painting Masks (Tamiya), ZD-WM-0010

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

Tamiya 1:24 Mazda - WIP: Model Cars - Model Cars Magazine Forum

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

Mini-Z Racer

Tamiya - Tamiya 1/24: Mazda Eunos Roadster #799-24085 [4950344992140] [4950344992157]

Mini-Z Racer