BUICK VIN DECODER 1965-1987
Buick 1965 - 1971
1st digit - Make. (4) Buick
2nd and 3rd digits - Series (dependant on year) (33) Special, Deluxe or Skylark V6 or L6, (34)
Special, Special Deluxe, GS 350, GS, Skylark or Sportwagen V8, (35) Special Deluxe V6,
Skylark V6 or Skylark 350, (36) Special Deluxe or Skylark V8, (41) Sportwagon V6, (42)
Sportwagon V8, (43) Skylark V6, (44) Skylark V8 or Sportwagon V8, (46) Skylark Gran Sport,
GS400 or GS455, (48) Sportwagon Custom V8, (94) Riviera.
4th and 5th digits - Body Code. (07 or 27) 2 door post coupe, (17 or 37) 2 door hardtop coupe,
(35 or 36) 4 door station wagon, (39) 4 door hardtop sedan, (55 or 65) 4 door sportwagon, (56
or 66) 4 door sportwagon custom, (67) 2 door convertible, (68) 4 door sedan, (87) 2 door
Sportcoupe .
6th digit - Model Year. (5) 1965, (6) 1966, (7) 1967, (8) 1968, (9) 1969, (0) 1970, (1) 1971
7th digit - Assembly plant. (B) Baltimore, MD, (C) South Gate, CA, (D) Atlanta, GA, (G)
Framingham, MA, (H) Flint, MI, (I) Oshawa, ON, (K) Kansas City, MO, (V) Bloomfield, IL, (X)
Kansas City, KS, (Y) Wilmington, DE, (Z) Fremont, CA.
Last 6 digits - Sequential production number
Buick 1972
1st digit - Make. (4) Buick
2nd digit - Series. (D) Skylark, (F) Sportwagon, (G) GS, (H) Skylark Custom.
3rd and 4th digits - Body Style. (27) 2 door post coupe, (36) 4 door station wagon, (37) 2 door
hardtop coupe, (39) 4 door hardtop sedan, (67) 2 door convertible, (69) 4 door sedan.
5th digit - Engine Code. (H) 350 2bbl V8, (J) 350 4bbl V8, (K) 350 4bbl V8, (U) 455 4bbl V8, (V)
455 4bbl V8 Stage-1.
6th digit - Model Year. (2) 1972.
7th digit - Assembly Plant. (C) South Gate, MI, (G) Framingham, MA, (H) Flint, MI, (X) Fairfax,
KS, (Y) Wilmington, DE, (Z) Fremont, CA.
Last 6 digits - Sequential production number
Buick GS 1965 - 1971
1st digit - Division. (4) Buick
2nd and 3rd digits - Series. (34) GS or GS350, (46) GS400 or GS455
4th and 5th digits - Body Code. (07 or 27) 2 door post coupe, (17 or 37) 2 door hardtop coupe,
(67) 2 door convertible.
6th digit - Model Year. (5) 1965, (6) 1966, (7) 1967, (8) 1968, (9) 1969, (0) 1970, (1) 1971.
7th digit - Assembly Plant.
Last 6 digits - Sequential production number
Buick GS 1972
1st digit - Division. (4) Buick
2nd digit - Series. (G) GS
3rd and 4th digits - Body Style. (27) 2 door post coupe, (37) 2 door hardtop coupe, (67) 2 door
convertible.
5th digit - Engine Code. (H) 350 2bbl V8, (J) 350 4bbl V8, (K) 350 4bbl V8, (U) 455 4bbl V8, (V)
455 4bbl V8 Stage-1.
6th digit - Model Year. (2) 1972.
7th digit - Assembly Plant.
Last 6 digits - Sequential production number
Buick Regal / Grand National / GNX 1981 - 1987
These use 17 digit VINs. See the main VIN info page for the standards.
3rd digit - Make. (4) Buick.
4th digit - Series. (G) G-Body.
5th digit - Option Level. (J) Regal, (K) Regal T-Type, (M) Regal Limited
6th digit - Body Code. (1 or 4) 2 door coupe
8th digit - Engine. (A) LD5 3.8L 231 2bbl V6, (4) LC4 4.1L 252 4bbl V6, (7) LC2 3.8L V6 SFI
Intercooled Turbo, (9) LM9 3.8L V6 SFI Turbo, (V) LT6 4.3L 260 V6 Diesel, (Y) LV2 5.0L 307
4bbl V8.
