A GMC Sierra Limited VIN opens with 3GT (Mexico). A 2026 Sierra Limited carries T in position 10.
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How to read a GMC Sierra Limited VIN
Here is a real 2022 GMC Sierra Limited VIN from our database, split into its parts:
VIN 3GTU9FEL1NG121118 — decoded free on its own report page.
| Position | Section | What it tells you |
|---|---|---|
| 1–3 | WMI | World Manufacturer Identifier — country, manufacturer and vehicle type. |
| 4–8 | VDS | Vehicle Descriptor Section — body style, engine, restraint system, series. |
| 9 | Check digit | A calculated digit that validates the whole VIN. Wrong digit = wrong VIN. |
| 10 | Model year | One character for the model year. Letters skip I, O, Q, U and Z. |
| 11 | Plant | The assembly plant that built the car. |
| 12–17 | Serial | Sequential production number of this exact vehicle. |
Where GMC Sierra Limited VINs say the car was built
The first three characters are the World Manufacturer Identifier. Across 31 GMC Sierra Limited VINs we have on file, these are the codes that actually show up — and the plants behind them:
| WMI | Built in | Vehicle type | VINs on file | Share |
|---|---|---|---|---|
| 3GT | Mexico | — | 20 | |
| 1GT | United States | — | 8 | |
| 2GT | Canada | — | 3 |
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 GMC Sierra Limited
Position 10 carries the model year, skipping I, O, Q, U and Z. The alphabet comes round every 30 years, which the GMC Sierra Limited has not yet outlived: its 8 years still map one-to-one. All 8 model years of the GMC Sierra Limited, 2019 to 2026, with the character each one carries:
| Model year | VIN character (position 10) | Same character as |
|---|---|---|
| 2026 | T | — |
| 2025 | S | — |
| 2024 | R | — |
| 2023 | P | — |
| 2022 | N | — |
| 2021 | M | — |
| 2020 | L | — |
| 2019 | K | — |
Body and engine characters we see on GMC Sierra Limited VINs
Positions 4–8 are the maker's own build code. Across 31 VINs the GMC Sierra Limited uses 13 different characters in positions 4, 5 and 8:
| Position | Characters seen on real VINs | Variety |
|---|---|---|
| 4 — body | U (58%) · P (16%) · R (13%) · V (10%) · N (3%) | 5 distinct |
| 5 — series | 9 (84%) · 2 (10%) · 8 (6%) | 3 distinct |
| 8 — engine | D (58%) · L (16%) · C (10%) · K (10%) · T (6%) | 5 distinct |
What a decoded GMC Sierra Limited VIN gets you
What a decoded VIN opens up:
| Data | For this model | Source |
|---|---|---|
| Crash-test ratings | 1 rated model years | NHTSA |
| Model years covered | 8 years | ForCar catalog |
Where to find the VIN on a GMC Sierra Limited
A GMC Sierra Limited VIN normally opens with 3GT; the full number sits in four places, and all four must match.
| Where | How to see it | Why it matters |
|---|---|---|
| Dashboard, driver side | Through the windshield, bottom corner | Easiest to check before you touch anything |
| Driver door jamb | Open the door, sticker on the pillar | Also lists tire pressures and build date |
| Under the hood | Firewall or strut tower plate | Survives a windshield replacement |
| Title and insurance | Paper documents | Must match the car — a mismatch means fraud or a swapped panel |
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Frequently asked questions
Is this GMC Sierra Limited VIN decoder free?
Yes, with no account. Besides the year, plant and build characters it shows the recalls NHTSA holds on the GMC Sierra Limited.
What year is my Sierra Limited by its VIN?
Read position 10: a 2026 Sierra Limited carries T, a 2025 Sierra Limited carries S, a 2024 Sierra Limited carries R.
What does position 4 mean on a GMC Sierra Limited VIN?
It is part of the maker's own build code, so read it against this model, not a generic chart. On 31 GMC Sierra Limited VINs here, U is the most common character in position 4, on 58% of them.
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