Pontiac · 1962-1982
Grand Prix
grand prix · grand prix sj · grand prix j · model j · ssj · hurst ssj · grand prix lj
17 option rows 3 RPO codes 16 model years
0% Factory-verified
- ✓ Factory-verified · 0
- ● Confirmed · 12
- ◑ Single-source · 5
- ⚠ Disputed · 0
Applicable options
Documented RPO codes
Model year
| Code | Option | Years | Notes & factory source | Confidence |
|---|---|---|---|---|
| — | 389 4-bbl (std), 389 Tri-Power, 421, 421 HO Tri-Power engine options | 1962–1964 | Sales codes not documented in web sources — gap | Confirmed confirmed (options), code gap |
| — | 8-lug aluminum wheels (integral drums) | 1962–1968 | Signature full-size/GP option | Confirmed confirmed (option), code gap |
| — | 421 Tri-Power (356 hp) / 421 HO (376 hp) | 1965–1966 | Optional; prices per 1965 full-size fact sheet | Confirmed confirmed (options), code gap |
| — | 428 (360 hp) / 428 HO (376–390 hp) | 1967–1968 | Replaced 421 | Confirmed confirmed (options), code gap |
| 582 | Air conditioning (division sales code) | 1967–1968 | Documented on Firebird sales manual; division-wide numbering | Single-source |
| — | Model SJ option — 428 (370 hp), lamp group, larger tires, badges | 1969 | UPC not confirmed in web sources | Confirmed confirmed (package), code gap |
| — | 428 HO (390 hp) | 1969 | SJ-optional | Confirmed confirmed (option), code gap |
| — | 400 4-bbl 350 hp (std J); 400 2-bbl 265 hp economy (auto only) | 1969 | — | Confirmed confirmed (options), code gap |
| — | Turbo Hydra-Matic ($226–229); 4-speed manual ($226) | 1969 | Prices per fact sheet | Single-source |
| — | Power front disc brakes ($105); Rally II wheels ($63); AM/FM stereo ($239); leather trim ($199); capacitor (transistor) ignition ($104–115) | 1969 | — | Single-source |
| — | SJ option package | 1970–1972 | $223–244 (1970), $195 (1971); incl. 455 V8 in 1970 | Confirmed confirmed (package), code gap |
| — | 455 4-bbl (370 hp ’70) | 1970–1972 | SJ standard; corporate 455 UPCs of this era are L75/LS5 on other lines — GP-specific UPC not confirmed | Confirmed confirmed (option), code gap |
| — | Hurst SSJ conversion — sunroof, gold accents, Hurst wheels | 1970–1972 | NOT a factory RPO; Hurst Performance Research conversion (272 built ’70, 157 ’71, ~60 ’72); ordered through dealers | Confirmed |
| — | SJ package (455 std ’73–74) | 1973–1975 | UPC not confirmed — gap | Confirmed confirmed (package), code gap |
| — | LJ luxury package | 1975–1977 | UPC not confirmed — gap | Confirmed confirmed (package), code gap |
| L75 | 455 4-bbl | 1973–1976 | Corporate UPC (documented on Firebird); GP application plausible but not independently confirmed for GP | Single-source |
| L78 | 400 4-bbl | 1973–1977 | Same caveat as L75 | Single-source |
Source document: pontiac/grand-prix.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.