2003-2004 SLP Buick Regal GSX: Evolution of a Modern Performance Revival
The SLP Buick Regal GSX is a unique chapter in Buick’s performance history — one that resurrects a storied performance name and applies it to a modern mid-size sedan. Unlike most historic Buick performance badges, the GSX designation in this case does not come from General Motors’ factory lineup but from a collaboration between Buick…