That is why I saved a set of those Sunfire seats from my '99. They are pretty comfortable too. In my 2005 Sunfire I kept the stock seats but added another set of 1995 Buick power seat bases. Bolted right on.Like Bonnewagon said almost any bucket seat 80s-2000's will bolt onto the factory rails.
The seats pictured below are from a 2003ish Pontiac sunfire and were $75 in great condition. They bolted directly onto the factory rails with no modifications needed.
I just used the Gbody seat spacers.
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