* White: A common and likely always-available option.
* Black: Another popular and probably readily available choice.
* Silver: A metallic silver was frequently offered.
* Red: A solid red was likely available. There might have been variations (e.g., a slightly brighter or darker shade).
* Blue: Several shades of blue were possible, potentially including a metallic option.
* Burgundy/Maroon: A darker reddish-brown color.
It's difficult to give a completely exhaustive list without consulting original Pontiac sales brochures or dealer records from 1985. The specifics could vary. If you need precise color names and codes, you'd be best served searching online resources dedicated to classic car information, such as forums focused on the Fiero or Pontiac enthusiast websites.