Have you ever wondered why VIN code car looks like a random collection of letters and numbers? In fact, this is a unique “passport” of the car, which tells about its origin, characteristics and even the history of repairs. But the main question that worries owners and buyers: how many characters should be in the VIN code? The answer seems simple - 17, but in practice everything is more complicated.

In this article, we will look at not only the standard VIN length, but also exceptions for older cars, common errors when reading the code, and also learn how to distinguish a fake VIN from a real one. You will learn why some characters are never used in the code, how to decipher each position, and what to do if the number of characters does not match the norm. This knowledge will help you avoid fraud when buying a used car and save thousands of rubles on diagnostics.

How many characters are there in a VIN code according to the international standard?

Since 1981, all vehicles manufactured for sale in the USA, Canada and Europe are required to have 17-digit VIN code. This standard is enshrined in documents ISO 3779 and FMVSS 115. Each character in the code carries specific information: from the country of origin to the serial number of the car. But why exactly 17?

The fact is that this length allows you to encode more 350 billion unique combinations (subject to restrictions on the characters used). For comparison: in 2023, about 90 million cars were produced in the world - the supply will last for decades. In this case, the first 3 characters indicate world manufacturer (WMI), the next 6 are a description of the car (VDS), and the last 8 are a unique identifier (VIS).

  • 📌 WMI (1-3 characters): Country and manufacturer (for example, XTA — Toyota in Japan, 1G1 — Chevrolet in the USA).
  • 🔢 VDS (4-9 characters): Model, body type, engine, transmission. “Stubs” (symbols) are often found here 0 or Z) if the manufacturer does not use all positions.
  • 🆔 VIS (10-17 characters): Year of manufacture, plant, serial number. The 10th character is always model year (for example, N = 2022).

Important: in the VIN code never used letters I, O and Q - they can be confused with numbers 1 and 0. There are also no spaces, dashes or other delimiters. If you see them in the code, it's a fake or a scanning error.

📊 How often do you check the VIN code when buying a used car?
Always
Only if there is suspicion
Never checked
I don't know how to do this

Exceptions: when the VIN is shorter or longer than 17 characters

Although the 17-digit format has been standard since 1981, there are still vehicles on the road with VINs of different lengths. Here are the main exceptions:

VIN length Reason Examples of cars Risks
11–16 characters Cars produced before 1981 (before the standard was introduced) Volkswagen Beetle 1970s Ford Mustang 1960s Difficult to verify history, high probability of forgery
18+ characters Scan error (duplicate characters) or tampering Any modern cars with “extra” numbers The car may be stolen or have a broken VIN
Less than 11 characters Frame number (not full VIN) or code fragment Old trucks, motorcycles, special equipment It is impossible to identify a car using databases

⚠️ Attention: If you see a car with a VIN shorter than 17 characters, but it was manufactured after 1981, this is a reason for serious inspection. The code may have been broken or tampered with. This is especially common in American cars 1980–1983, when manufacturers gradually switched to the new standard.

To avoid problems, always check the length of the VIN with the year of manufacture of the car. For example, Mercedes-Benz W123 A 1980 model may have an 11-digit code, while the same 1982 model may have a 17-digit code. The check can be done through free services like vin-decoder.net or paid bases (Carfax, Autocheck).

💡

If the seller claims that a short VIN is “the norm for this model,” ask to see the original documents (title, registration certificate). They must include the full code.

Where to look for the VIN code and how to read it correctly

The VIN code is applied to the car in several places, but not all of them are equally reliable. Here's where you can find it:

  • 🚗 Windshield (lower driver's side) - the most accessible place, but the code here is often erased or counterfeited.
  • 🔧 Under the hood (on a plate or body stamping) - usually on the spar or mudguard. Here the code is protected from external influences.
  • 🚪 Driver's door pillar (on sticker or engraving) — a must-have for American and European cars.
  • 📄 Documents: PTS, STS, insurance policy. Important: The code in the documents and on the body must match!

When reading the VIN, pay attention to:

  1. Clarity of characters - if numbers or letters are blurred, this may be a sign of interruption.
  2. The presence of signs of tampering - scratches, welding or putty next to the code.
  3. Coincidence in all sources - compare the code on the body, windows and documents.

⚠️ Attention: Fraudsters often fake the VIN on the windshield because it is the easiest to change. Always check your code in several places! For example, on BMW E39 1990s VIN is duplicated on the front suspension and in the trunk - this helps identify inconsistencies.

Take a photo of the code from all places on the body|

Check with data in PTS and STS |

Check through 2-3 online services (for example, vin-decoder.net and autocheck.com)|

Pay attention to the 10th character (year of manufacture) - it must match the documents|

Ask the seller for the service history (if any) indicating the VIN-->

How to decipher the VIN code: step-by-step instructions

Deciphering the VIN code will help you find out more about the car than the seller says. Here's how to do it:

1. Determine the country and manufacturer (1–3 characters).

The first three characters are WMI (World Manufacturer Identifier). For example:

  • JTD — Toyota (Japan)
  • WDB — Mercedes-Benz (Germany)
  • 1G1 — Chevrolet (USA)
  • ZFA — Fiat (Italy)

A complete list of WMI can be found on the website Society of Automotive Engineers (SAE).

2. Decipher the description of the car (4–9 characters).

This part (VDS) depends on the manufacturer. For example, at Volkswagen:

  • 4th character - body type (1 = sedan, 3 = hatchback).
  • 5th character - engine series (A = 1.4 TSI, C = 2.0 TDI).
  • 6th character - transmission type (M = mechanics, A = automatic).

U BMW equipment can be coded here (E = M Sport, L = Luxury Line).

3. Check the year of manufacture (10th character).

This is one of the most important symbols. Each year corresponds to a letter or number:

  • A = 1980 or 2010
  • B = 1981 or 2011
  • ...
  • N = 2022
  • P = 2023
  • R = 2026

⚠️ Attention: Letters I, O, Q and number 0 not used! If you see them in the 10th position, it’s a fake.

4. Unique number (11–17 characters).

The last 7 characters are the vehicle serial number. It is assigned at the factory and must match the documents. If there are inconsistencies here (for example, the PTS number differs by 1-2 characters), this is a sign VIN interruptions or registration errors.

Example of full VIN decoding

VIN: WVWZZZ1KZBW123456

  1. WVW — Volkswagen (Germany)
  2. ZZZ - plugs (not used)
  3. 1K - model Golf, hatchback body
  4. Z — 1.6 TDI engine
  5. B — 2011
  6. W123456 - serial number

This Volkswagen Golf 2011 with a diesel engine, produced in Germany.

Common mistakes when working with VIN codes

Even experienced car owners sometimes make mistakes when checking the VIN. Here are the most common:

  • 🔍 VIN is confused with body or chassis number. For example, on GAZelle There may be a frame number next to the VIN - it's shorter and not suitable for history checking.
  • 📱 Scan code with errors. When photographing the VIN on the windshield, the symbols are often “eaten” due to glare. Always check your code manually.
  • 🌍 Regional peculiarities are ignored. For example, in Japan VIN can be duplicated on a plate under the hood in the format FRT-XXXXXX - this is not the complete code!
  • 🔄 They do not check the code with the documents. There are cases when one VIN is indicated on the vehicle title, but another is indicated on the body (for example, after replacing the windshield).

Another common mistake is to trust only one verification service. For example, Carfax works well with American cars, but may not have data for European cars. It is better to use 2-3 sources:

Service Region Pros Cons
Carfax USA, Canada Detailed accident history, mileage Paid, little data for Europe
Autocheck USA, Europe Cheaper Carfax, theft check Fewer details for repairs
Vin-Decoder (vin-decoder.net) The whole world Free, standard decryption No accident or mileage history

⚠️ Attention: If, when checking the VIN, the service gives a “Not Found” error for a car under 20 years old, this is a reason to be wary. The code may have been tampered with or the car may have been stolen. This is especially true for Japanese cars, where scammers often “rejuvenate” old cars by changing the VIN.

💡

Never buy a car if the VIN code does not pass verification in at least one reliable service. Even if the car looks perfect, the risk of running into a stolen or damaged car is too high.

Is it possible to change or change the VIN code?

Technically You can change the VIN code, but this is criminally punishable in most countries, including Russia (Article 326 of the Criminal Code of the Russian Federation - “Forgery or destruction of an identification number”). However, scammers use several methods:

  • 🔨 Mechanical interruption. The original code is erased and a new one is applied using an engraver. Leaves marks (uneven characters, microcracks in metal).
  • 🖌️ Stickers or stencils. A film with a different code is pasted over the original VIN. You can check by prying the edge of the sticker with your fingernail.
  • 🔥 Burning out. The old code is burned out, and the new one is applied on top. Leaves a characteristic odor and discoloration of the metal.

How to detect a broken VIN?

  1. Shine a flashlight at an angle - the real code has a uniform depth, while the broken code has unevenness.
  2. Swipe across the symbols. The original VIN must be smooth and free of burrs.
  3. Compare the code in different places (on the body, glass, documents). Discrepancies are a sure sign of a fake.
  4. Use an ultraviolet lamp. Some scammers apply the code with paint that glows under UV rays.

⚠️ Attention: If you suspect that the VIN has been interrupted, you should not try to restore the original code yourself. Contact traffic police or to an independent expert - they use special equipment (for example, endoscopes to check hidden places).

In Russia, forgery of VIN is punishable by up to 2 years imprisonment. At the same time, the buyer of a stolen or “damaged” car may also be held liable if he could not prove that he did not know about the fraud.

FAQ: Answers to frequently asked questions about the VIN code

Can a VIN code contain Russian letters?

No, the VIN code uses only Latin letters (except I, O, Q) and Arabic numerals. If you see Cyrillic (for example, B instead of B), this is a scanning error or a fake.

What to do if the VIN code has been erased and cannot be read?

If the code is erased naturally (for example, on an old machine), you can:

  1. View VIN in documents (PTS, STS).
  2. Find a duplicate code in another place (under the hood, on the door).
  3. Contact a dealership or service station - they can restore the code using the manufacturer’s database.

If the code is intentionally erased, this is a sign of fraud. Don't buy!

Is it possible to find out the color of a car using the VIN?

Yes, but not always. Some manufacturers (for example, Toyota or Honda) body color is encoded in 7–9 characters of the VIN. However, other brands (for example, BMW) this information may be missing. For an accurate check, use specialized decoders (for example, vindecoderz.com).

Why does the service write “Not Found” when checking the VIN?

There are several reasons:

  • The car is too new (not yet included in the database).
  • VIN entered with an error (check the symbols 0 and O, 1 and I).
  • The car is not officially imported into the country (for example, “gray” Japanese).
  • VIN is forged or interrupted.

Try another service or contact an authorized dealer.

Is it possible to find out from the VIN whether a car is damaged or not?

Yes, but only if the information is included in the database. Services like Carfax or Autocheck show the history of accidents if they were recorded by insurance companies or the police. However, in Russia and the CIS many road accidents are not included in international databases. Additionally, check the car on a lift - even if the VIN is “clean”, traces of repairs may remain on the body.