Pontiac · 1984-1988
Fiero (1984–1988)
fiero · fiero 2m4 · fiero se · fiero gt · fiero sport coupe · fiero value leader
94 option rows 94 RPO codes 5 model years
0% Factory-verified
- ✓ Factory-verified · 0
- ● Confirmed · 14
- ◑ Single-source · 76
- ⚠ Disputed · 4
Applicable options
Documented RPO codes
Model year
| Code | Option | Years | Notes & factory source | Confidence |
|---|---|---|---|---|
| Engines | ||||
| LR8 | Engine, 2.5L L4 | 1984–1988 | VIN code R; years from the OSG transaxle and engine pages, which list the 2.5L L4 in every year; the rparts list adds throttle-body injection | Single-source |
| L44 | Engine, 2.8L V6, high output | 1985–1988 | VIN code 9; years from the OSG transaxle page (V6 cars 1985–1988); the Halderman list agrees (multiport fuel injection); the rparts list reuses L44 for a 1.6L DOHC L4 | Single-source |
| Transmissions | ||||
| MD9 | Transmission, automatic, 3 speed (THM 125C) | 1984–1988 | the OSG transaxle page names it the only automatic, every year; the rparts and Halderman lists agree | Single-source |
| MG2 | Transmission, manual, 5 speed, Muncie-built Getrag design, 3.61 final drive ratio | 1986–1988 | only in: V6; years from the OSG options list, whose transaxle page says the 5 speed arrived during 1986; the rparts and Halderman lists agree | Single-source |
| MM4 | Transmission, manual, 4 speed, provisions | 1984–1986 | merchandised order code; years from the OSG; the rparts and Halderman lists agree | Single-source |
| MM5 | Transmission, manual, 5 speed, provisions | 1985–1988 | merchandised order code; years from the OSG; conceptcarz lists it for 1987 | Single-source |
| MT2 | Transmission, manual, 5 speed, Isuzu, 3.35 final drive ratio | 1985–1988 | only in: L4; years from the OSG; the rparts and Halderman lists agree; GM's 2000s lists reuse MT2 for an Opel 6 speed | Single-source |
| MX1 | Transmission, automatic, 3 speed | 1987 | merchandised order code for the unit the OSG calls MD9; 1987 from conceptcarz's 1987 list; the OSG gives no year | Confirmed |
| MY8 | Transmission, manual, 4 speed, Muncie, 3.32 final drive ratio | 1984 | only in: L4; 1984 from the OSG; the Halderman list agrees; the rparts list reuses MY8 for an Allison automatic | Single-source |
| M17 | Transmission, manual, 4 speed, Muncie, 3.65 final drive ratio | 1985–1986 | only in: V6; years from the OSG; the rparts and Halderman lists agree | Single-source |
| M19 | Transmission, manual, 4 speed, Muncie, 4.10 final drive ratio | 1984 | only in: L4; 1984 from the OSG; the rparts list agrees | Single-source |
| Packages & Trims | ||||
| WS1 | Option group | 1985–1987 | years from the OSG, which reads it as an option picks group; conceptcarz's 1987 list names it the performance value package | Single-source |
| WS3 | Option group | 1986 | 1986 from the OSG, which reads it as an option picks group | Single-source |
| WS6 | Performance package, special | 1984–1985 | standard on the SE in 1984–1985 per the OSG, which names no other year; the rparts and Halderman lists agree | Single-source |
| WS9 | High mileage coupe | 1984 | 1984 from the OSG; the GM-wide lists reuse WS9 for a Formula model conversion | Single-source |
| WV9 | Package, value leader | 1984–1988 | years from the OSG; its 1987 entry converts model PM37 to PE37, its 1988 entry 2PM37 to WPE37; the rparts and Halderman lists agree | Single-source |
| W02 | Package, sport appearance | 1988 | 1988 from the OSG, which prints WO2; the Halderman list prints W02 with this meaning | Single-source |
| W61 | Option group 1 | 1987 | 1987 from the OSG; conceptcarz's 1987 list prices it for the coupe, SE and GT | Confirmed |
| W63 | Option group 2 | 1987 | 1987 from the OSG; conceptcarz's 1987 list prices it for the SE and Sport Coupe; the Halderman list agrees | Confirmed |
| W66 | Formula option | 1988 | 1988 from the OSG; the rparts and Halderman lists agree | Single-source |
| W69 | SE option, Special Edition | 1984–1987 | years from the OSG; the rparts list agrees | Single-source |
| Y82 | Indy Pace Car limited edition | 1984 | 1984 from the OSG; includes AD3, B34, DG7, D80, NP5, UU6 and V53; the GM-wide lists reuse Y82 for a Firebird package | Single-source |
| Y99 | Suspension package, special rally | 1984–1987 | standard on the SE in 1984–1987 per the OSG; the rparts and Halderman lists read handling package | Single-source |
| 1SA | Option group 1 | 1988 | 1988 from the OSG; the rparts and Halderman lists agree | Single-source |
| 1SB | Option group 2 | 1988 | 1988 from the OSG; the rparts and Halderman lists agree | Single-source |
| 1SC | Option group 3 | 1988 | 1988 from the OSG; the rparts and Halderman lists agree | Single-source |
| Equipment | ||||
| AD3 | Sunroof, hinged roof window | 1987 | 1987 from conceptcarz's 1987 list (glass sunroof); the OSG gives no year; the rparts and Halderman lists agree | Confirmed |
| AF9 | Seats, front bucket, driver and passenger, reclining | 1984–1987 | years from the OSG; another meaning in 1988; the rparts and Halderman lists agree | Single-source |
| AF9 | Seats, adjustable lumbar, driver and passenger | 1988 | 1988 from the OSG; another meaning in 1984–1987 | Single-source |
| AR9 | Seats, front bucket, driver and passenger, manual reclining | 1987 | 1987 from conceptcarz's 1987 list, which names the option by its suede leather and Pallex cloth trim (SE, GT); the OSG gives no year; the rparts and Halderman lists agree on the meaning | Single-source |
| A01 | Glass, deep tinted, all windows, Soft Ray | 1987 | 1987 from conceptcarz's 1987 list, which prints AO1; the OSG gives no year; the rparts list agrees | Confirmed |
| B34 | Floor mats, front, carpeted | 1987 | 1987 from conceptcarz's 1987 list; the OSG gives no year; the rparts and Halderman lists agree | Confirmed |
| B6V | Power door locks delete (AU3), in package orders | 1987 | 1987 from the OSG | Single-source |
| B6W | Power windows delete (A31), in package orders | 1987 | 1987 from the OSG | Single-source |
| CJB | Roof, T-top | 1988 | 1988 from the OSG; the rparts list reuses CJB for a handling charge | Single-source |
| C41 | Heater, with fan and defroster | 1984–1988 | years from the OSG, which reads it for 1988 as the base heater without air conditioning; the rparts list agrees | Single-source |
| C49 | Defogger, rear window, electric | 1987 | 1987 from conceptcarz's 1987 list; the OSG gives no year; the rparts and Halderman lists agree | Confirmed |
| C60 | Air conditioner, front, manual controls | 1987 | 1987 from conceptcarz's 1987 list; the OSG gives no year; the rparts and Halderman lists agree | Confirmed |
| D42 | Screen, engine compartment | 1984 | 1984 from the OSG; the rparts and Halderman lists read D42 as a rear compartment security shade | Disputed |
| D80 | Spoiler, rear end panel extension | 1987 | 1987 from conceptcarz's 1987 list (rear deck lid spoiler); the OSG gives no year; the rparts and Halderman lists agree | Confirmed |
| NK3 | Steering wheel, Formula, 3 spoke | 1984–1985 | years from the OSG; the GM-wide lists read NK3 as a sport soft-rim wheel | Single-source |
| NK4 | Steering wheel, leather wrapped, 4 spoke | 1986–1987 | years from the OSG; the rparts list agrees | Single-source |
| NP5 | Steering wheel, leather wrapped, 3 spoke | 1984–1985 | years from the OSG; the rparts and Halderman lists agree | Single-source |
| NX1 | Wheels, 13 x 5.5 | 1984–1985 | years from the OSG wheel page, which lists the standard steel wheel; the Halderman list reads light metal alloy | Disputed |
| N24 | Wheels, aluminum, turbo finned, 13 x 5.5 | 1984–1985 | years from the OSG options list (same wheel as PX1); its wheel page lists N24 for 1984 only; the rparts and Halderman lists read N24 as a 15 x 7 cast aluminum wheel | Disputed |
| N36 | Steering wheel, rally, 4 spoke | 1986–1987 | years from the OSG; the rparts and Halderman lists read sport 4 spoke | Single-source |
| N78 | Wheels, aluminum, Hi-Tech Turbo, 14 x 6 | 1984–1988 | years from the OSG wheel page; 1987: Sport Coupe or SE (conceptcarz); the rparts list agrees | Single-source |
| N90 | Wheels, aluminum, cast, 15 x 7 | 1986–1987 | years from the OSG wheel page (diamond spoke); the rparts list agrees; the Halderman list's N90 has a 4.75 inch bolt circle, not the Fiero's 100 mm | Single-source |
| PC6 | Wheels, 14 x 5.5 | 1986–1987 | years from the OSG wheel page, which lists the standard steel wheel; the rparts and Halderman lists read light metal alloy | Disputed |
| PH0 | Wheels, aluminum, diamond spoke, 15 x 6 front, 15 x 7 rear | 1988 | 1988 from the OSG wheel page, which prints both PH0 and PHO; the options list prints PHO and calls the design diamond honeycomb; black (19P) or gold (60P); the rparts list prints PH0 with the same wording | Single-source |
| PX1 | Wheels, aluminum, turbo finned, 13 x 5.5 | 1985 | 1985 from the OSG wheel page; the Halderman list agrees | Single-source |
| QAB | Tires, P195/70R14, blackwall, steel-belted | 1988 | 1988 from the OSG; the rparts and Halderman lists agree | Single-source |
| QDX | Tires, P195/70R14, blackwall, steel-belted | 1985–1987 | years from the OSG; GM's later lists reuse QDX for a 155/80R13 tire | Single-source |
| QDY | Tires, P195/70R14, white-lettered, steel-belted | 1985–1987 | years from the OSG; GM's later lists reuse QDY for a 155/65R13 tire | Single-source |
| QFE | Tires, P185/75R14, blackwall, steel-belted | 1986–1988 | years from the OSG; the rparts and Halderman lists agree | Single-source |
| QFG | Tires, P185/75R14, white-lettered, steel-belted | 1986–1987 | years from the OSG | Single-source |
| QHS | Tires, P185/80R13, blackwall, steel-belted | 1984–1985 | years from the OSG; the rparts list agrees | Single-source |
| QHU | Tires, P185/80R13, white-lettered, steel-belted | 1984–1985 | years from the OSG; the rparts list reuses QHU for a 175/80R14 tire | Single-source |
| QPU | Tires, P215/60R14, blackwall, steel-belted | 1984–1987 | years from the OSG; the rparts list reuses QPU for a P215/70R15 tire | Single-source |
| QPV | Tires, P215/60R14, white-lettered, steel-belted | 1984–1985 | years from the OSG | Single-source |
| UA1 | Battery, heavy duty | 1987 | 1987 from conceptcarz's 1987 list; the OSG gives no year; the rparts and Halderman lists agree | Confirmed |
| UL5 | Radio, delete | 1987 | 1987 from conceptcarz's 1987 list; the OSG gives no year; the rparts and Halderman lists agree | Confirmed |
| UL6 | Radio, AM, clock | 1984 | 1984 from the OSG; the Halderman list agrees | Single-source |
| UM6 | Radio, ETR AM/FM stereo, auto reverse cassette, seek and scan, clock | 1985–1988 | years from the OSG; conceptcarz's 1988 list agrees; the rparts and Halderman lists agree | Single-source |
| UM7 | Radio, ETR AM/FM stereo, seek and scan, clock | 1986–1987 | years from the OSG; conceptcarz's 1987 list agrees | Single-source |
| UQ6 | Speaker system, subwoofer | 1986–1988 | years from the OSG; conceptcarz's 1987 list prices a speaker system; the Halderman list reads a 5 speaker sail-mounted system | Single-source |
| UT4 | Radio, ETR AM stereo/FM stereo, auto reverse, seek and scan, equalizer, touch control, clock | 1985–1987 | years from the OSG; conceptcarz's 1987 list agrees | Single-source |
| UU7 | Radio, ETR AM/FM stereo, cassette, clock | 1984 | 1984 from the OSG; the rparts and Halderman lists agree | Single-source |
| UU9 | Radio, ETR AM/FM stereo | 1984 | 1984 from the OSG; the rparts and Halderman lists agree | Single-source |
| UX1 | Radio, ETR AM/FM stereo, auto reverse cassette, search and replay, seek and scan, equalizer, clock | 1985–1988 | years from the OSG; conceptcarz's 1987 and 1988 lists agree | Single-source |
| U63 | Radio, AM, monaural, without clock | 1987 | 1987 from conceptcarz's 1987 list (coupe); the OSG gives no year; the rparts list agrees | Confirmed |
| V08 | Cooling, heavy duty | 1987 | 1987 from conceptcarz's 1987 list; the OSG and conceptcarz print VO8; the rparts and Halderman lists agree | Confirmed |
| V53 | Luggage carrier, delete | 1984 | 1984 from the OSG; the rparts list reads a roof luggage carrier delete | Single-source |
| V56 | Luggage carrier, deck lid | 1987–1988 | years from the OSG; not with D80 (conceptcarz, 1987); the GM-wide lists read V56 as the painted carrier | Single-source |
| V58 | Luggage carrier, deck lid | 1984–1986 | years from the OSG; the GM-wide lists read V58 as the chrome carrier | Single-source |
| Paint | ||||
| 14 | Paint, Light Gray Metallic | 1984–1985 | years from the OSG | Single-source |
| 16 | Paint, Silver Metallic | 1986–1988 | years from the OSG | Single-source |
| 18 | Paint, accent, Medium Gray Metallic | 1984–1987 | years from the OSG | Single-source |
| 19P | Wheel color, black | 1988 | 1988 from the OSG wheel page (PH0 wheels) | Single-source |
| 21 | Paint, Bright Blue Metallic | 1987 | 1987 from the OSG | Single-source |
| 40 | Paint, White | 1984–1986, 1988 | years from the OSG | Single-source |
| 53 | Paint, Bright Yellow | 1988 | 1988 from the OSG | Single-source |
| 56 | Paint, Light Gold Metallic | 1986–1987 | years from the OSG | Single-source |
| 60P | Wheel color, gold | 1988 | 1988 from the OSG wheel page (PH0 wheels); the options list reads 15 inch diamond spoke wheels, gold | Single-source |
| 71 | Paint, Red | 1984–1985 | years from the OSG | Single-source |
| 77 | Paint, Ruby Red | 1987–1988 | years from the OSG | Single-source |
| 81 | Paint, Bright Red | 1986–1988 | years from the OSG | Single-source |
| Interior Trim | ||||
| 13B | Trim, cloth, Light Slate Gray | 1984–1985 | Genor cloth in 1984, Pallex cloth in 1985 (OSG) | Single-source |
| 13C | Trim, Placid and Pallex cloth, two-tone, Light Slate Gray | 1984–1985 | years from the OSG | Single-source |
| 64B | Trim, cloth, Medium Doeskin | 1984–1985 | Genor cloth in 1984, Pallex cloth in 1985 (OSG) | Single-source |
| 822 | Trim, leather and Pallex cloth, Dark Gray | 1986–1988 | suede leather in 1986–1988 and Ventura leather in 1988; Dark Gray in 1986–1987, Medium Dark Gray in 1988 (OSG) | Single-source |
| Internal / Process | ||||
| D60 internal | Color and trim compatibility override | 1984–1987 | years from the OSG; the rparts list agrees | Single-source |
| NB2 internal | Emission system, California | 1987 | 1987 from conceptcarz's 1987 list; the OSG gives no year; the rparts and Halderman lists agree | Confirmed |
| VC8 internal | Substitution or deletion authorized | 1984–1987 | years from the OSG | Single-source |
Source document: pontiac/fiero-gen1.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.