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VIN Information

 

Example:

1 Country of Mfg. USA

G Manufacturer GM

2 Car Division Pontiac

F Car Line

S Series Base

2 Body Types 2-Dr. Coupe

1 Restraint System Manual Belts

F Engine 305CID, V8, LB9, Chevy

X Check Digit

M Model Year 1991

L Assembly Plant Van Nuys, CA

100001 Body Number

 

Vehicle Identification Number: 1G2FS21FXJN100001
Commonly refer to as the "VIN Number", this series of numbers and letters is stamped on a plate on the top of the instrument panel visible through the windshield.

 

First Digit: Identifies the country in which the vehicle was built.
1 = U.S.A.

 

Second Digit: Identifies the Manufacturer.
G = General Motors

 

Third Digit: Identifies the automotive division.
1 = Chevrolet

2 = Pontiac

 

Fourth Digit: Identifies the car line.
F = Camaro/Firebird (Thus "F-body")

 

Fifth Digit: Identifies the series.

S =

 

 

Firebird

Formula

 

W =

 

Trans Am

GTA

 
Sixth and Seventh Digit: Identifies the body type.
87 = 2-Door Coupe

 

Eighth Digit: Identifies the engine.

 

VIN Code

Transmission

Engine
code/type

Induction

Displacement.

Bore Stroke

Comp.

Ratio

Horsepower

Torque

Cats
T M5, A4 LHO 60°V8 MPFI 3.1 (191) 3.50 3.31 8.75:1 135@4400 180@3600 1
E

M5, A4

LO3 90° V8

TBI

5.0 (305)

3.74 3.48

9.3:1

170@4400

255@2400

1
F

M5 (T/A)

LB9 90° V8

TPI

5.0 (305)

3.74 3.48

9.3:1

200@4400

300@2800

1
F

A4 (Formula)

LB9 90° V8

TPI

5.0 (305)

3.74 3.48

9.3:1

200@4400

300@2800

1
F

M5 (Formula & GTA)

LB9 90° V8

TPI

5.0 (305)

3.74 3.48

9.3:1

225@4600

290@3200

2

8

A4

B2L 

(L98)

90° V8

TPI

5.7 (350)

4.00 3.48

9.3:1

235@4400

330@3200

2
 
*Note: Flammang, James M. & Kowalke, Ron. 1999. "Standard catalog of American cars 1976-1999". Krause Publications, pp 873

Abbreviations:
A4   - Automatic Transmission 700R4
M5   - 5 Speed Manual Transmission
TBI  - Throttle Body Injection 
TPI  - Tuned Port Injection
MPFI - Multiport Fuel Injection
cats = Catalytic Converter

Ninth Digit: Identifies the check digit.

 

Tenth Digit: Identifies the model year.
M = 1991

 

Eleventh Digit: Identifies the assembly plant.
L = Van Nuys

 

Last Six Digits: Represent the basic production numbers, 100001/up