Vehicle Manufacture Date by VIN: What the VIN Tells You and Where to Find the Exact Build Date

The Short Answer

A standard 17-character VIN does not show the exact day or month a vehicle was built. It shows the model year, which is coded in the 10th character. The model year is the year the manufacturer assigns to the vehicle for sales and registration purposes. It is not necessarily the calendar year the vehicle left the factory. To get the actual month and year of manufacture, check the certification label on the driver's door jamb or door edge. On US-market vehicles this label lists the date of manufacture next to the VIN.

This applies to vehicles built for the US market from the 1981 model year onward, when the 17-character VIN format became standard. Older vehicles use manufacturer-specific serial numbers, and decoding them depends on the brand and era.

Model Year vs. Manufacture Date

These two dates are often confused, and the difference matters. Manufacturers usually start building a new model year before the calendar year of the same number begins. For example, a vehicle sold as a 2025 model may have been assembled during calendar year 2024. A model year can also run late, so some units are built well into the following calendar year. The VIN records the model year. The certification label records when the vehicle was actually built.

Use the model year for registration, insurance and most general parts lookups. Use the manufacture date when it matters exactly when a vehicle was produced. Common cases include recalls that apply only to a range of production dates, parts that changed partway through a model year, and age-based rules such as US import eligibility for older foreign-market vehicles.

How the 17-Character VIN Is Organized

Each position or group of positions in the VIN carries a specific type of information. Only some of it relates to timing.

Position: 1 2 3 | 4 5 6 7 8 | 9 | 10 | 11 | 12 13 14 15 16 17; WMI | Descriptor | C | MY | PL | Production sequence; WMI = World Manufacturer Identifier (country and maker); C = Check digit (validates the VIN on North American vehicles); MY = Model year; PL = Assembly plant; Sequence = Serial number assigned on the production line

The production sequence in positions 12 through 17 shows a vehicle's place in the build order at a plant. Without the manufacturer's production records, though, it cannot be turned into a calendar date. Some manufacturers can match a serial number to a build date internally, but the VIN standard does not define that relationship.

Reading the Model Year From the 10th Character

The 10th character uses letters and digits that repeat on a 30-year cycle. The letters I, O, Q, U and Z and the digit 0 are not used for the model year.

Code | Model year | Model year; A | 1980 | 2010; B | 1981 | 2011; C | 1982 | 2012; D | 1983 | 2013; E | 1984 | 2014; F | 1985 | 2015; G | 1986 | 2016; H | 1987 | 2017; J | 1988 | 2018; K | 1989 | 2019; L | 1990 | 2020; M | 1991 | 2021; N | 1992 | 2022; P | 1993 | 2023; R | 1994 | 2024; S | 1995 | 2025; T | 1996 | 2026; V | 1997 | 2027; W | 1998 | 2028; X | 1999 | 2029; Y | 2000 | 2030; 1 | 2001 | 2031; 2 | 2002 | 2032; 3 | 2003 | 2033; 4 | 2004 | 2034; 5 | 2005 | 2035; 6 | 2006 | 2036; 7 | 2007 | 2037; 8 | 2008 | 2038; 9 | 2009 | 2039

Because each code repeats every 30 years, the same letter can mean two different model years. For passenger cars, multipurpose vehicles and light trucks under 10,000 lb gross vehicle weight rating, the 7th character settles it. A digit in position 7 points to the earlier cycle (1980–2009). A letter in position 7 points to the later cycle (2010–2039). For heavier trucks, buses and other vehicle types, use the vehicle's general age and condition, or a full VIN decode.

Step by Step: Finding the Manufacture Date

1) Locate the VIN. It is normally visible through the windshield at the base of the driver's side dashboard. It also appears on the driver's door jamb label, the title, the registration and usually the insurance card. 2) Check the VIN format. It should be 17 characters and contain no I, O or Q. On North American vehicles, the 9th character is a check digit, and VIN decoders use it to catch typing errors. 3) Read the model year. Find the 10th character in the table above, and use the 7th character to choose the correct cycle where it applies. 4) Open the driver's door and find the certification label. It is usually on the door edge or the B-pillar. On US-market vehicles it shows the month and year of manufacture, along with the VIN and the vehicle's weight ratings. 5) Confirm the VIN on the label matches the VIN on the dashboard and the title. A mismatch, a missing label or signs of tampering are reasons for closer inspection, especially on a used vehicle. 6) If the label is missing or unreadable, ask a franchised dealer for that brand. Their service department can usually pull the original build data from the manufacturer's records using the VIN. Some manufacturer owner portals and customer service lines can provide the same information.

What Online VIN Decoders Can and Cannot Do

Free VIN decoders, including the one run by the National Highway Traffic Safety Administration (NHTSA), reliably report the model year, manufacturer, assembly plant and basic configuration. Most do not report an exact build date, because that date is not encoded in the VIN. Some paid history reports and brand-specific decoders show a build date taken from manufacturer or dealer data. How complete that data is depends on the brand and the vehicle's age. Treat a decoder's build date as useful but secondary to the date printed on the vehicle's own certification label.

Supporting Clues When the Label Is Gone

Many parts carry their own date codes. These can help narrow down when an older or relabeled vehicle was built. Original window glass, seat belt tags and some cast components are common examples. Tires carry a DOT date code showing the week and year the tire was made, but tires are often replaced, so this only helps if they are known to be original. These component dates show when the parts were made, which is normally shortly before the vehicle was assembled. They are approximate evidence, not a substitute for the certification label or manufacturer records.

When the Exact Date Matters Most

Recalls: Recall coverage is checked by VIN. Look up the full VIN instead of assuming a recall does or does not apply based on model year alone. Parts ordering: When a part changed partway through a model year, parts catalogs often ask for the build date or the full VIN. Buying a used vehicle: A vehicle sold as a given model year may have been built many months earlier. Check that the dates and VINs on the label, dashboard and title all match. Importing older vehicles into the US: Age-based exemptions are measured from the date of manufacture, not the model year. Confirm the month and year with documentation before relying on an exemption.