engine capability

It depends. I have the 231 V6 in mine. This is the Brougham. I did not put the badges back on after restoration. I like the sleek clean look. I have a lot of original documentation on these G Body cars, so I can check and see what was offered if that is what you need to know.

I am attaching 2 specs sheets for you. These are from a 1981 catalog, but for 1980 it is the same from what I can tell. Both models use the same engines, as indicated in the lower right hand corner of each sheet. Let me know if you want any more information.

Here is the sheet for the CS Coupe