You already know what the standard int has, so here are some details of the Deluxe.
Door panels: Molded in arm rest. Aluminum panel and chrone trim around the perimeter. The bottom section has a grill front to back, with a courtesy light behind it.
Seats: The fronts have a plastic chrome trimmed back panel, and a plastic chrome trim around part of the bottom. there is a chrome peice in the center near the top at a 4 seating positions.
Dash: There are aluminum panels side to side covering the standard black area. OEM stuff is built special for this with out the black area behind it. I have seem add on aluminum panels.
Steering wheel: optional wood grain type was available, but not part of the deluxe interior option.
Seat belts: the deluxe has special belts with a push button release in the center of the buckle.
Pedals: chrome trim around the pedals
The overhead console with map lights (coupe and fastback), upholstered quarter panel trim with chrome end cap (coupe and convert) and the electric clock are also part of the Interior Decor Group. However, the deluxe seat belts with warning light is a stand alone option.