Julian, Many thanks! I don't remember the way I have received the interior colour. I have mixed two - red and blue for the dashboard, door cards and rear shelf. For the seats I have used Revell enamel paint 32. As finish coating I have used ultra-matt lucky varnish from AMMO - A.MIG 2050.
https://www.scalemates.com/colors/ammo-by-mig-jimenez--682/amig-2050-ultra-matt-lucky-varnish-acrylic-matt--14035