What the 13 characters mean, 1968–1971
| Position | Meaning | Example (1970) |
|---|
| 1 | Make: 2 = Pontiac | 2 |
| 2–3 | Series: 42 = GTO | 42 |
| 4–5 | Body: 37 = 2-door hardtop, 67 = convertible | 37 |
| 6 | Model year: 0 = 1970 | 0 |
| 7 | Plant: A = Atlanta, Georgia, B = Baltimore, Maryland, G = Framingham, Massachusetts, K = Kansas City, Missouri, P = Pontiac, Michigan, R = Arlington, Texas, Z = Fremont, California, 1 = Oshawa, Ontario, Canada | P |
| 8–13 | Unit number, from 100,001 in 1970 | 100001 |
Example: An example built from the code tables on this page, not a real car's VIN: a GTO hardtop, 1970, Pontiac, Michigan, unit 100001.12
What the 13 characters mean, 1972
| Position | Meaning | Example (1972) |
|---|
| 1 | Make: 2 = Pontiac | 2 |
| 2 | Series: D = LeMans (the LeMans Sport hardtop too) | D |
| 3–4 | Body: 27 = pillared coupe, 37 = hardtop | 37 |
| 5 | Engine: T = 400 V8, 4-barrel, Y = 455 V8, 4-barrel, X = 455 HO V8, 4-barrel | T |
| 6 | Model year: 2 = 1972 | 2 |
| 7 | Plant: A = Atlanta, Georgia, B = Baltimore, Maryland, G = Framingham, Massachusetts, L = Van Nuys, California, P = Pontiac, Michigan, W = Willow Run, Michigan, Z = Fremont, California, 1 = Oshawa, Ontario, Canada, 2 = Ste. Thérèse, Quebec, Canada | P |
| 8–13 | Unit number, from 100,001 in 1972 | 100001 |
Example: An example built from the code tables on this page, not a real car's VIN: a LeMans hardtop with the 400 four-barrel, 1972, Pontiac, Michigan, unit 100001.12
The code tables, year by year
Each table is the one on the year page, with its sources.
1968 · position 6 is 8 · 5 engines
| Position | Meaning |
|---|
| 2 | Division: Pontiac |
| 42 | Series: GTO (the Judge too) |
| 37 · 67 | Body: 2-door hardtop · convertible |
| 8 | Model year (1968) |
| A · B · G · K · P · R · Z · 1 | Assembly plant (the GTO's, by Rubber The Right Way) |
| 100001 → | Sequential unit number |
| Code | Engine | Rated |
|---|
| — | 400 cu in V8, 2-barrel, regular fuel (no-cost option) | 265 hp |
| — | 400 cu in V8, 4-barrel (standard) | 350 hp |
| — | 400 HO V8, 4-barrel | 360 hp |
| — | 400 Ram Air V8, 4-barrel | 360 hp |
| — | 400 Ram Air II V8, 4-barrel (from mid-year) | 366 hp (open ruling) |
Where to find it: On a plate on top of the instrument panel, driver's side, visible through the windshield.1one source Sources for the codes1234567. The 1968 page →
1969 · position 6 is 9 · 4 engines
| Position | Meaning |
|---|
| 2 | Division: Pontiac |
| 42 | Series: GTO (the Judge too) |
| 37 · 67 | Body: 2-door hardtop · convertible |
| 9 | Model year (1969) |
| A · B · G · K · P · R · Z · 1 | Assembly plant (the GTO's, by Rubber The Right Way) |
| 100001 → | Sequential unit number |
| Code | Engine | Rated |
|---|
| — | 400 cu in V8, 2-barrel, regular fuel | 265 hp |
| — | 400 cu in V8, 4-barrel (standard) | 350 hp |
| — | 400 Ram Air V8, 4-barrel (the «Ram Air III»; standard on the Judge) | 366 hp |
| — | 400 Ram Air IV V8, 4-barrel | 370 hp |
Where to find it: On a plate on top of the instrument panel, driver's side, visible through the windshield.1one source Sources for the codes1238910. The 1969 page →
1970 · position 6 is 0 · 4 engines
| Position | Meaning |
|---|
| 2 | Division: Pontiac |
| 42 | Series: GTO (the Judge too) |
| 37 · 67 | Body: 2-door hardtop · convertible |
| 0 | Model year (1970) |
| A · B · G · K · P · R · Z · 1 | Assembly plant (the GTO's, by Rubber The Right Way) |
| 100001 → | Sequential unit number |
| Code | Engine | Rated |
|---|
| — | 400 cu in V8, 4-barrel (standard) | 350 hp |
| — | 455 cu in V8, 4-barrel | 360 hp |
| — | 400 Ram Air V8, 4-barrel (standard on the Judge) | 366 hp |
| — | 400 Ram Air IV V8, 4-barrel | 370 hp |
Where to find it: On a plate on top of the instrument panel, driver's side, visible through the windshield.1one source Sources for the codes123111213. The 1970 page →
1971 · position 6 is 1 · 3 engines
| Position | Meaning |
|---|
| 2 | Division: Pontiac |
| 42 | Series: GTO (the Judge too) |
| 37 · 67 | Body: 2-door hardtop · convertible |
| 1 | Model year (1971) |
| A · B · G · K · P · R · Z · 1 | Assembly plant (the GTO's, by Rubber The Right Way) |
| 100001 → | Sequential unit number |
| Code | Engine | Rated |
|---|
| L78 | 400 cu in V8, 4-barrel (standard) | 300 hp gross, 255 net |
| L75 | 455 cu in V8, 4-barrel (automatic only) | 325 hp gross, 260 net |
| LS5 | 455 HO V8, 4-barrel (standard on the Judge) | 335 hp gross, 310 net |
Where to find it: On a plate on top of the instrument panel, driver's side, visible through the windshield.1one source Sources for the codes123141516. The 1971 page →
1972 · position 6 is 2 · 3 engines
| Position | Meaning |
|---|
| 2 | Division: Pontiac |
| D | Series: LeMans (the LeMans Sport hardtop too) |
| 27 · 37 | Body: pillared coupe · hardtop |
| T · Y · X | Engine (the GTO's three; see the engine table) |
| 2 | Model year (1972) |
| A · B · G · L · P · W · Z · 1 · 2 | Assembly plant (the GTO's, by Rubber The Right Way) |
| 100001 → | Sequential unit number |
| Code | Engine | Rated |
|---|
| T | 400 cu in V8, 4-barrel (standard) | 250 hp net |
| Y | 455 cu in V8, 4-barrel | 250 hp net |
| X | 455 HO V8, 4-barrel | 300 hp net |
Where to find it: On a plate on top of the instrument panel, driver's side, visible through the windshield.1one source Sources for the codes1231718. The 1972 page →
