This 1969 Buick GS 400 Stage 1 is one tough muscle car. “One of only 832 automatic Stage 1’s built in 69. This is a extremely solid car. No rust. This is what I would call a survivor type car. One repaint in its original color of Antique gold. Still has original buckskin interior in very good condition.” Says the seller. Under the hood sits 455/370 engine however, the RS 400 is included in the deal. Take a look for yourself!