Buick Century VIN Decoder

Decode any Buick Century VIN free: model year, plant, body and engine codes, read from 11 real Century VINs.

NHTSA · ISO 3779 · 1985–2005 · Updated Nov 3, 2026
Quick answer

A Buick Century VIN opens with 2G4 (Canada). Position 11, the plant, shows 8 codes, most often 1 (71%); a 2005 Century carries 5 in position 10. Decoding one also brings up 37 recall campaigns and 1,348 owner complaints from NHTSA.

How to read a Buick Century VIN

Here is a real 2005 Buick Century VIN from our database, split into its parts:

1–3 · WMI2G4
4–8 · VDSWS52J
9 · Check9
10 · Year5
11 · Plant1
12–17 · Serial101004

VIN 2G4WS52J951101004 — decoded free on its own report page.

FIG.01·Buick Century VIN structure
PositionSectionWhat it tells you
1–3WMIWorld Manufacturer Identifier — country, manufacturer and vehicle type.
4–8VDSVehicle Descriptor Section — body style, engine, restraint system, series.
9Check digitA calculated digit that validates the whole VIN. Wrong digit = wrong VIN.
10Model yearOne character for the model year. Letters skip I, O, Q, U and Z.
11PlantThe assembly plant that built the car.
12–17SerialSequential production number of this exact vehicle.
ROWS 6·SOURCE ISO 3779 / NHTSA vPIC

Where Buick Century VINs say the car was built

The first three characters are the World Manufacturer Identifier. Across 11 Buick Century VINs we have on file, these are the codes that actually show up — and the plants behind them:

FIG.02·Buick Century assembly by VIN prefix
WMIBuilt inVehicle typeVINs on fileShare
2G4Canada—981.8%
1G4United States—218.2%
ROWS 2·SOURCE NHTSA vPIC · ForCar decoded VINs

Country and vehicle type come from the NHTSA manufacturer registry. Share is measured across VINs decoded on ForCar, not production volume.

Model-year codes for the Buick Century

Position 10 carries the model year, skipping I, O, Q, U and Z. The alphabet comes round every 30 years, which the Buick Century has not yet outlived: its 25 years still map one-to-one. All 25 model years of the Buick Century, 1981 to 2005, with the character each one carries:

FIG.03·Buick Century VIN model-year codes
Model yearVIN character (position 10)Same character as
20055—
20044—
20033—
20022—
20011—
2000Y—
1999X—
1998W—
1997V—
1996T—
1995S—
1994R—
1993P—
1992N—
1991M—
1990L—
1989K—
1988J—
1987H—
1986G—
1985F—
1984E—
1983D—
1982C—
1981B—
ROWS 25·SOURCE ISO 3779

Body and engine characters we see on Buick Century VINs

Positions 4–8 are the maker's own build code. Across 11 VINs the Buick Century uses 9 different characters in positions 4, 5 and 8:

FIG.04·Buick Century VIN body and engine characters
PositionCharacters seen on real VINsVariety
4 — bodyW (82%) · A (18%)2 distinct
5 — seriesS (82%) · H (18%)2 distinct
8 — engineJ (55%) · M (18%) · E (9%) · R (9%) · 1 (9%)5 distinct
ROWS 3·SOURCE ForCar decoded VINs

What a decoded Buick Century VIN gets you

Behind a Buick Century VIN: 1,348 owner complaints and every recall campaign NHTSA has on record:

FIG.05·Buick Century data available by VIN
DataFor this modelSource
Recall campaigns37 campaignsNHTSA
Owner complaints1,348 filedNHTSA
Fuel economy22 mpg combined (avg)EPA
Model years covered25 yearsForCar catalog
ROWS 4·SOURCE NHTSA · EPA · ForCar

Where to find the VIN on a Buick Century

A Buick Century VIN normally opens with 2G4; the full number sits in four places, and all four must match.

FIG.06·Buick Century VIN locations
WhereHow to see itWhy it matters
Dashboard, driver sideThrough the windshield, bottom cornerEasiest to check before you touch anything
Driver door jambOpen the door, sticker on the pillarAlso lists tire pressures and build date
Under the hoodFirewall or strut tower plateSurvives a windshield replacement
Title and insurancePaper documentsMust match the car — a mismatch means fraud or a swapped panel
ROWS 4·SOURCE ForCar
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Frequently asked questions

Is this Buick Century VIN decoder free?

Yes, with no account. Besides the year, plant and build characters it shows 37 recall campaigns and 1,348 owner complaints NHTSA holds on the Buick Century.

What year is my Century by its VIN?

Read position 10: a 2005 Century carries 5, a 2004 Century carries 4, a 2003 Century carries 3.

Where was my Century built?

Position 11 names the plant. Across 1,323 dated Buick Century VINs it reads 1 71%, 6 19%, S 3%, T 2% and 4 rarer codes.

What does position 4 mean on a Buick Century VIN?

It is part of the maker's own build code, so read it against this model, not a generic chart. On 11 Buick Century VINs here, W is the most common character in position 4, on 82% of them.

VIN structure per ISO 3779 and NHTSA vPIC. Plant, body and engine characters observed across 11 decoded VINs on ForCar; recalls and complaints from NHTSA. Last updated Nov 2026. — ForCar Reviewed by , founder of ForCar.
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