| #OS - ONSTAR SYSTEM | AG1 - ADJUSTER, 6-WAY POWER SEAT, DRIVER SIDE |
| AG2 - DUAL 6-WAY POWER SEAT ADJUSTERS | AJ1 - DEEP TINTED GLASS |
| AM7 - FOLDING BACK REAR SEAT | AN3 - FULL FEATURED FRT. BUCKET SEATS |
| AU0 - REMOTE KEYLESS ENTRY SYSTEM | AU3 - POWER DOOR LOCKS |
| A31 - POWER WINDOWS AND DOOR LOCKS | B30 - FLOOR CARPETING |
| B32 - FRONT AND REAR FLOOR MATS | B33 - REAR FLOOR MATS |
| B71 - FENDER FLARE MOULDINGS | CMD |
| C49 - REAR WINDOW DEFOGGER | C68 - ELECTRONIC CLIMATE CONTROL |
| C7W - GVWR: 5171 KG (11400 LB) | DF2 - CAMPER STYLE MIRRORS |
| DF5 - ELECTROCHROMIC ISRV MIRROR | DK6 - INTERIOR ROOF CONSOLE |
| D07 | E63 - FLEETSIDE BODY OPTION |
| FE9 - FEDERAL CERTIFICATION EMISSION | FT2 |
| FT3 | GT4 - 3.73 REAR AXLE RATIO |
| G80 - AXLE - LOCKING DIFFERENTIAL | HVY |
| JH7 | KC4 - ENGINE OIL COOLER |
| KNP - TRANSMISSION FLUID COOLER | KUP - ENGINE PTO CONTROL VARIABLE SPEED |
| K05 - HEATER - ENGINE BLOCK | K34 - CRUISE CONTROL |
| K47 - HIGH CAPACITY AIR CLEANER | K68 - 105 AMP DELCOTRON GENERATOR |
| LB7 - DURAMAX DIESEL 6600 V8 ENGINE | M74 - ALLISON 5-SPD AUTOMATIC TRANS. |
| NF2 - FEDERAL EMISSION SYSTEM | NP1 - ELECTRIC SHIFT TRANSFER CASE |
| NP5 - LEATHER WRAPPED STEERING WHEEL | NZZ - OFF-ROAD SKID PLATE PACKAGE |
| P06 - WHEEL TRIM RINGS | R7K - MISSING OPTION CREDIT |
| R9Z | SLL - SOLD ORDERS |
| TQ3 | T96 - FOG LAMPS |
| UE1 - ONSTAR COMMUNICATION SYSTEM | UN0 - RADIO- AM/FM ST, CD PLAYER, ATC |
| UQ3 - PERFORMANCE ENHANCED AUDIO SPEAKER SYSTEM | UY2 - WIRING PROVISIONS - CAMPER AND FIFTH WHEEL TRAILER |
| UY7 - TRAILER WIRE HARNESS | U19 - KILO SPEEDOMETER |
| U34 | VB3 - CHROME REAR STEP BUMPER |
| VG3 - CHROME FRONT BUMPER | VR4 - WGHT DIST. PLATFORM TRLER HITCH |
| VXS | V10 - COLD CLIMATE PACKAGE |
| V22 - FRONT GRILLE W/ CHROME ACCENTS | V73 - STATEMENT OF VEHICLE CERT.-U.S. /CANADA |
| XEF | YD3 |
| YD6 - REAR SPRING BASE EQUIPMENT | YEF - TIRES - LT215/85R-16/E OOR BW |
| YE9 - SIERRA SLE MODEL | ZEF - SPARE TIRE - LT215/85R-16/E OOR |
| ZY1 - SOLID PAINT | Z31 - PRELIMINARY INVOICE |
| Z49 - CANADIAN BASE EQUIPMENT | Z82 - H.D. TRAILERING EQUIPMENT |
| Z85 - HEAVY DUTY SUSPENSION | Z88 |
| 1SD - PREFERRED EQUIPMENT GROUP | 50U - SUMMIT WHITE |
| 6GL | 7GL |
| 92I | 922 - MED. GRAY LEATHER |