The VIN tells you the model year in the 10th character from the left
The 10th digit of a vehicle identification number (VIN) is a letter or number that represents the model year. This position is standardized across all manufacturers and has been since 1981. To find it, count 10 characters from the left side of the 17-character VIN — skip the hyphens if any are printed — and that single character is your year code.
The year code does not always match the calendar year the vehicle was built. A car with a 2024 model year may have been manufactured in late 2023. The 10th position tells you the model year assigned by the manufacturer, which is what matters for recalls, parts compatibility, and registration purposes.
Key Takeaways
- The 10th character of the VIN is a letter or number that corresponds to a specific model year.
- Model year codes repeat on a 30-year cycle, so a "Y" code could mean 2000 or 2030 — you need the first character to distinguish them.
- The first character (the country of origin) combined with the 10th character removes all ambiguity about which decade the vehicle belongs to.
- You can verify the year code by checking the vehicle's registration documents, title, or the manufacturer's label on the driver's side door jamb.
How the year code system works
Manufacturers use a repeating 30-year cycle for the 10th position. The cycle runs from 1980 to 2009, then repeats: 2010 to 2039, then 2040 to 2069, and so on. The letters and numbers used are: Y, 1, 2, 3, 4, 5, 6, 7, 8, 9, X, A, B, C, D, E, F, G, H, J, K, L, M, N, P, R, S, T, V, W. Notice that I, O, Q, U, and Z are skipped — manufacturers avoid these to prevent confusion with numbers and letters that look similar on printed documents.
Because the cycle repeats every 30 years, a vehicle with a "Y" in the 10th position could be from 1980, 2010, or 2040. This is why the first character matters. The first character identifies the country where the vehicle was built. North American vehicles start with 1, 2, 3, 4, or 5. If the first character is 1, 2, 3, 4, or 5 and the 10th character is Y, the vehicle is from 2000 (not 1980 or 2040). This combination removes the guesswork.
Where to find the VIN and verify the year
The VIN appears in several places on every vehicle. The most visible location is the dashboard on the driver's side, visible through the windshield at the base of the windshield. It is also printed on the vehicle's title and registration documents. On the driver's side door jamb — the vertical edge of the door frame where the door closes — you will find a manufacturer's label that includes the VIN and often displays the model year in plain text for straightforward reference.
If you are buying a used vehicle and want to confirm the year before purchase, ask the seller or dealer to show you the door jamb label. This label is difficult to forge and gives you the manufacturer's official year designation. The title and registration will also state the year, and these documents are public records you can request from your state's motor vehicle department if you are verifying a vehicle you do not currently own.
Year codes for recent model years
For vehicles built in the last decade, the 10th character codes are straightforward. A 2015 model year uses X, 2016 uses G, 2017 uses H, 2018 uses J, 2019 uses K, 2020 uses L, 2021 uses M, 2022 uses N, 2023 uses P, and 2024 uses R. These codes follow the repeating cycle in order. If you own a vehicle from 2015 onward and need to know its model year, finding the 10th character and matching it to this list will give you the answer when ready.
For vehicles older than 2015, the same system applies but you will need the full 30-year cycle chart. Many online VIN decoders display the year automatically once you enter the full VIN, which is faster than counting characters yourself if you are looking up an unfamiliar vehicle. However, counting to the 10th character yourself is free and requires no tools — you only need the VIN itself.
Why the model year matters for recalls and parts
Manufacturers issue recalls by model year, not by the calendar date the vehicle was built. If a recall affects 2019 model year vehicles, it applies to every 2019 model regardless of whether it was built in late 2018 or early 2019. When you search for recalls using the NHTSA database or a manufacturer's recall tool, you enter the model year from the 10th VIN character, not the year you purchased the vehicle or the year printed on your registration.
Parts suppliers and mechanics also use the model year to determine compatibility. An engine part for a 2020 model year may not fit a 2019 model year of the same make and model, even if the vehicles look identical. The 10th VIN character is the authoritative source for this information, which is why it appears on every parts catalog and service manual.
Common mistakes when reading the 10th character
The most common error is miscounting the characters. Remember that the VIN is always 17 characters long, and you count from the left. Do not count from the right, and do not skip any characters — even if some look like they might be hyphens or spaces in printed form, count them as part of the sequence. The second common mistake is confusing the model year with the calendar year. A 2024 model year vehicle may have been built in September 2023, so the 10th character will show 2024 even though the vehicle was manufactured in 2023.
A third mistake is assuming the year code is unique to one year. Because the cycle repeats every 30 years, the same letter or number appears four times across a century. Always use the first character in combination with the 10th character to pinpoint the correct decade. If you are unsure, cross-reference the VIN year code with the year shown on the vehicle's title or registration — these documents will confirm whether you are reading the code correctly.
Frequently Asked Questions
Can I determine the exact month the vehicle was built from the VIN?
No. The VIN tells you the model year only, not the month or day of manufacture. Some vehicles have a separate build date code elsewhere on the vehicle — often on the door jamb label or inside the engine compartment — but this is not part of the VIN itself. If you need the exact build date, check the door jamb label or contact the manufacturer with the VIN.
What if the 10th character is a number instead of a letter?
Numbers work the same way as letters in the year code system. For example, 2010 uses the number 1, 2011 uses 2, 2012 uses 3, and so on through 2009 (which uses 9). The cycle then continues with letters. A number in the 10th position is just as valid as a letter and follows the same 30-year repeating pattern.
Does the model year affect insurance rates or registration fees?
Yes, in most states. Insurance companies and motor vehicle departments use the model year to calculate rates and fees. Older model years typically have lower registration fees in many states, while insurance rates depend on the vehicle's age, safety features, and repair costs — all of which vary by model year. The 10th VIN character is the official source for determining which year band your vehicle falls into.
If I have a 1980 and a 2010 vehicle with the same 10th character, how do I tell them apart?
Check the first character of the VIN. Vehicles built in 1980 will have a first character from that era's manufacturing locations, while 2010 vehicles will have a first character from 2010-era production. You can also check the title and registration, which always state the year in plain text. The door jamb label will also display the model year clearly.