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GMC VIN Decoder

GMC is General Motors’ truck and utility brand. Its pickups share platforms with Chevrolet’s but are sold, trimmed and badged separately.

Built before 1981?

Can I decode a GMC VIN from before 1981?

Yes. GMC VINs from before 1981 are shorter than 17 characters and follow GMC’s own layout, so a standard decoder cannot read them. Our classic decoder reads them from as early as 1967, character by character, against the factory chart for each year.

Decode a classic GMC
Classic GMC VINs From 1967 Read character by character against the factory chart for each year.
Reading a GMC VIN

What do the first three characters of a GMC VIN mean?

GMC trucks commonly begin 1GT and its SUVs 1GK. Because GMC and Chevrolet trucks share so much, the prefix is often the quickest way to tell which one a VIN belongs to.

What each of the 17 positions means

The 17 positions1GT …
  • 1–3Manufacturer
  • 4–8Vehicle details
  • 9Check digit
  • 10Model year
  • 11Plant
  • 12–17Serial number
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