Custom (base model) - Black rubber gasket holding the windshield in. White painted bumpers and mirrors. Vent window pillars and frames were flat black. Standard painted hub caps. Tail light and tailgate mouldings were NOT included or offered.
Custom Deluxe - Full width comfortably padded bench seat and padded arm rests on the door panels. Padded flip down sun visors. Vinyl seat upholstery and matching vinyl on the door panels. The interior roof panel was painted to match the exterior color of the truck. A black rubber floor mat that went from the edge of the front seat up to the firewall. Courtesy lamps, and a padded dashboard. Stainless steel upper and lower grille mouldings. Chrome headlight bezels. Stainless steel mirrors. White painted front bumper. Chromed Custom Deluxe emblems on the fenders.
Cheyenne - Bench seat with full depth padded seat and back rest, with all vinyl or vinyl and nylon cloth seat covering. Door trim panels and headliner. Nylon carpet from front edge of seat to firewall. Color keyed mouldings. Ash tray mounted cigar lighter. Custom steering wheel. Cheyenne dashboard emblem. Door pin switch or manually operated courtesy lights. Extra insulation to block noise. Upper body mouldings. Tailgate trim panel with Cheyenne emblem. Blazers that were ordered with the Cheyenne package, had a chrome round emblem on the rear fenders.
Cheyenne Super - This added upper and lower body side mouldings, a chrome tailgate handle, chrome wheel well mouldings, and Cheyenne Super emblems on the dash and fenders.
Chrome front bumper, chrome rear bumper, rear step bumper, AM radio, AM/FM radio, clock, power steering, below eye line mirrors, cab drip mouldings, sliding rear window, cargo lamp, gauge package, A/C, tach, tilt wheel, exterior tool storage compartment, wheel covers, white wall tires, exterior wood grain trim, and a glide out under body spare tire carrier. There were also platform (flat bed), and stake (rack) body optional diesel, and LPG (Low Pressure Gas) engines. For the Blazer, the rear roof was actually an option! This is why they are referred to as "Open Utility".