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Free GMC VIN Lookup & Decoder

Before purchasing a used GMC, it's essential to decode the vehicle identification number (VIN). The VIN is a unique 17-digit code that holds crucial information about the vehicle's history, specifications, and potential issues. By decoding the VIN, you can make a more informed decision and avoid costly surprises when buying a pre-owned GMC.

Quick Facts about GMC

Founded:1911 in Detroit, Michigan
Vehicles sold in 2021:515,941 in the United States
Best selling model:Sierra light-duty pickup truck
Parent company:General Motors (GM)
Largest market:🇺🇸 United States
Origin:🇺🇸 United States
GMC is an American automaker known for its reliable, capable, and versatile trucks and SUVs. Founded in 1911, GMC has built a reputation for producing vehicles that can handle tough jobs and rugged terrains. Some of GMC's most popular models include the Sierra pickup truck, the Yukon SUV, and the Terrain crossover. In 2021, GMC sold over 500,000 vehicles in the United States.

How to Decode GMC VIN

VIN stands for Vehicle Identification Number, a unique code that serves to identify and differentiate vehicles. Below you will see a table with a complete breakdown how to decode VIN numbers.
14Indicates the country where the vehicle was manufactured (1 - United States)
2-3HGIdentifies the vehicle manufacturer (F - Ford Inc.)
4-8CM826Specifies the vehicle's brand, engine size, and type
93Vehicle Security Code
102Indicates the model year of the vehicle
11ADenotes the plant where the vehicle was assembled
12-17005243Serial number of the vehicle
VIN breakdown

3 Critical Reasons to Check the VIN When Buying a Used GMC

Safety Recalls
With over 500,000 GMCs sold annually in the U.S., up to 20% may have open safety recalls. A VIN check reveals any unaddressed issues.
Accident History
Decoding the VIN uncovers any previous accident damage or repairs, helping you assess the true condition of a used GMC.
Warranty Coverage
A VIN check shows the original warranty details and any remaining coverage, which can save you money on potential repairs.


Manufacturing Country

The first position of the VIN indicates the manufacturing country of the vehicle.
1United States


The second position of the VIN represents the manufacturer. For GMC vehicles, this character is 'G', indicating General Motors.


The third position of the VIN indicates both the brand and type of vehicle. While most companies use one character per brand, GM uses several characters to represent the brand and vehicle type. For example, 'K' is used for GMC SUVs.

Platform and Series

Positions 4 and 5 of the VIN represent the platform and series of the vehicle. Platform codes are consistent across all GM models, while series codes are specific to the brand and version of the vehicle. These codes change annually, making it more convenient to use a DMV VIN check rather than attempting to decode them manually. Here are three examples of codes used in these positions:
HGSavana passenger van


The sixth position of the VIN represents the body style of the vehicle. While body codes have changed over time, most GMC vehicles will have one of the following characters in this position:
CodeBody Style

Safety Restraint System

The seventh position of the VIN indicates the safety equipment installed at the factory.
1Seat belts only
2Dual front airbags
3Driver's airbag
4Front and side airbags
5Dual front airbags and side driver's airbag
6Front and side airbags with passenger occupancy sensor
7Front and side airbags, including side airbags for rear seats


The eighth position of the VIN represents the engine. Here are a few popular engines and their corresponding codes.
C5.3l Flex-Fuel with Active Fuel Management
G8.1l Vortec 8100
P5.3l Vortec 5300, aluminum block and heads
T5.3l Vortec 5300
X4.3l Vortec V6, iron block and heads
Z4.3l Vortec V6, throttle body injection (TBI)

Check Digit

The ninth position of the VIN is the check digit, which is generated using a mathematical formula that uses other characters from the VIN as inputs. This adds an error-checking mechanism, making it easy to identify errors in databases.

Model Year

The tenth position of the VIN represents the model year. All vehicles, including GMCs, use a standard character for the model year. It alternates between numbers 1-9 and 20 letters, excluding those that can be confused with numbers. Numbers were used between 1971-1979 and 2001-2009. 2024 models use the character 'R'.

Assembly Plant

The eleventh position of the VIN indicates the assembly plant where the vehicle was manufactured. Here are codes for common manufacturing plants used to build GMCs.
RArlington Assembly Arlington, Texas
UDetroit/Hamtramck Assembly Hamtramck, Michigan
FFairfax II Kansas City, Kansas or Flint Truck Assembly Flint, Michigan
ZFort Wayne Assembly Roanoke, Indiana
JLansing Delta Township Assembly Delta Township, Michigan
0Lansing Grand River Assembly Lansing, Michigan
7Lordstown Assembly Lordstown, Ohio
4Orion Assembly Orion Township, Michigan
1Oshawa Car Assembly Oshawa, Ontario Canada
SRamos Arizpe Assembly Ramos Arizpe, Mexico
GSilao Assembly Silao, Mexico
1Wentzville Assembly Wentzville, Missouri

Serial Number

Positions 12-17 of the VIN represent the serial number of the vehicle. Since there are only 6 characters used for this section, serial numbers are frequently reused. However, no two vehicles will have a completely identical VIN.

GMC VIN Decoder Examples

Here are a few examples of GMC VIN numbers, and how decoding them can reveal basic information. You can also uncover a wealth of detailed information, including previous sales photos, odometer reports, salvage status, recalls, and much more in the detailed BADVIN vehicle history reports.
1GKDT13S322375226 — 2002 GMC ENVOY (White, Automatic, Gasoline, 4.2L V6 FI DOHC F, Four Wheel Drive, 6 Cyl)
1GKKVRED4CJ151288 — 2012 GMC ACADIA (White, Unknown, Gasoline, 3.6L V6 FI DOHC 24V NF4, All-Wheel Drive, 6 Cyl)
1GKS2GKC0HR380648 — 2017 GMC YUKON XL (White, Automatic, Gasoline, 5.3L V8 FI OHV 16V NF2, Four Wheel Drive, 8 Cyl)
1GKET16S556108490 — 2005 GMC ENVOY (Silver, Automatic, Gasoline, 4.2L V6 FI DOHC F, Four Wheel Drive, 6 Cyl)
1GDM7F13X7F411322 — 2007 GMC T-SERIES (White, Unknown, Diesel, 7.8L 6, Rear Wheel Drive, 6 Cyl)
2GKFLWE36F6433835 — 2015 GMC TERRAIN (Gray, Automatic, Gasoline, 3.6L V6 FI DOHC 24V NF4, All-Wheel Drive, 6 Cyl)
2GTEC13V861309108 — 2006 GMC NEW SIERRA (Blue, Automatic, Gasoline, 4.8L V8 FI F, Rear Wheel Drive, 8 Cyl)
1GKEK63U95J211396 — 2005 GMC YUKON (White, Automatic, Gasoline, 6.0L V8 FI F, All-Wheel Drive, 8 Cyl)
1GKFC13047J135607 — 2007 GMC YUKON YUKON (4DR SPOR, WHITE, AUTOMATIC, 5.3L 8, Rear-wheel drive, FLEXIBLE FUEL)
1GDJG31U971242580 — 2007 GMC SAVANA (, Unknown, Gasoline, 6.0L V8 FI F, Rear Wheel Drive, 8 Cyl)
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Testimonials from our customers

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Frequently asked questions
The 'country of origin' in a VIN, indicated by the first one to three characters, tells you where the vehicle was built, which could influence parts availability and design standards.
Yes, a VIN decoder can provide detailed specifications for a used GMC, including its assembly line specifications like engine details and optional equipment.
Yes, a VIN decoder can determine the manufacture year of the vehicle as it is encoded in the 10th character of the VIN.
The manufacturing location can be interpreted from the first character of the VIN, which indicates the country of assembly, and sometimes more specific location details are included in the first few characters.
A VIN decoder can confirm the safety features originally installed in a GMC, such as airbags, ABS, and stability control systems.
The 9th character in a VIN is the check digit, which is used to verify the authenticity of the VIN itself through a specific calculation.
A VIN decoder can reveal engine details such as the engine size, configuration, and fuel type, which are encoded in specific characters of the VIN.
Yes, in many cases, you can determine the type of drivetrain a GMC has from its VIN if the manufacturer encodes this information within the VIN.
VIN decoding does not directly reveal maintenance history; however, it can identify the vehicle model and year, which you can use to access maintenance records through service databases with the VIN.
A VIN decoder reveals the vehicle's trim level by decoding specific characters of the VIN that relate to the vehicle's series and equipment levels.
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