How Car Model Years Work and Why the Build Date Matters
A 2027 car can be built in early 2026. The model year sets resale value and most deals, while the build date can decide whether a recall applies.
A car’s model year is the automaker’s annual production period, and under EPA rules it must include January 1 of the year in its name and can start as early as January 2 of the year before. A 2027 model can legally be built and sold in early 2026. The build date, printed on the door jamb label, is the month the car left the factory.
Both dates matter. The model year drives pricing, resale value and the specs on the window sticker. The build date can decide whether a recall applies to your car, because many recalls cover a range of production dates within a model year.
When do new model years go on sale?
New model years usually reach dealers between late summer and fall of the prior calendar year, but there is no fixed date. The EPA defines a model year as the manufacturer’s annual production period that includes January 1 of the named year, and that period may begin no earlier than January 2 of the previous year, under 40 CFR Part 85, Subpart X.
In practice, automakers pick their own changeover dates. A redesigned model may arrive early in the year to get a head start, while a carryover model may switch quietly in the fall with only new paint colors or a price change. Two vehicles from the same brand can change model years months apart.
How is model year different from build date?
The model year is a label for a production run, while the build date is when your specific car was assembled. Federal rules require a certification label, usually on the driver’s door jamb, that shows the month and year of manufacture.
That means a 2026 model can carry a build date in 2025, and a car built in March 2026 might be a 2026 or a 2027 model, depending on the automaker’s schedule. Both are legal and normal.
The VIN records the model year in its 10th character, under NHTSA’s VIN rule in 49 CFR Part 565. The letters I, O, Q, U and Z and the number 0 are never used for that position.
| 10th VIN character | Model year |
|---|---|
| L | 2020 |
| M | 2021 |
| N | 2022 |
| P | 2023 |
| R | 2024 |
| S | 2025 |
| T | 2026 |
| V | 2027 |
The same door jamb label and the VIN also tell you where the car was assembled. Our guide to finding where your car was built explains how to read them.
When are the best discounts on outgoing model years?
Discounts on the outgoing model year tend to grow once the new model year is on the lot, because dealers want to clear older stock. Automakers often add cash rebates or low-rate financing on the outgoing year during that overlap.
The size of the discount depends on supply. If the outgoing model sold well and dealers have few left, there may be little to negotiate. If the new year brings a redesign, the old version can carry larger incentives. Compare the outgoing car against the new one on price and equipment, since the newer year sometimes adds features that change the comparison. Our explainer on MSRP versus invoice price shows how incentives and dealer cost fit together.
How does model year affect resale value?
Used car pricing guides value cars mainly by model year, mileage and condition, not by build date. A car bought new as an outgoing model year starts its life one year older on paper than a new-year car bought the same day.
That gap is largest in the first few years and shrinks with time. If you trade in often, a discount on the outgoing year may be partly offset by a lower trade-in value later. If you keep cars for many years, the difference matters less.
Why does the build date matter for recalls?
Many recalls list a production date range, not a whole model year, because a faulty part was installed only for some weeks or months. Two cars of the same model year can differ: one is covered and the other is not.
Do not rely on the model year alone when you read recall news. Run your 17-character VIN at nhtsa.gov/recalls, which checks the exact car. Our guide to checking car recalls by VIN walks through the steps.
Warranty coverage also starts on the in-service date, the day the car is first sold or put into use, not on the build date. A car that sat on a lot for months still gets its full warranty from the day you buy it new.
Bottom line
The model year sets the car’s price tier and resale value, and the build date tells you when it was made. When you shop, check both. When a recall hits the news, trust the VIN check over the model year.
FAQ
Can a car be sold as new if it is a previous model year?
Yes. A car that has never been titled to a retail buyer is still new, even if its model year is past. It usually carries a larger discount, and its warranty starts on the day you buy it.
Where do I find the build date?
Look at the certification label on the driver’s door jamb, which shows the month and year of manufacture. The VIN does not encode the build month.
Why is a 2027 model already on sale in 2026?
EPA rules let a model year begin as early as January 2 of the previous calendar year. Automakers often launch redesigned models early to stand out.
Does model year affect insurance rates?
Insurers price policies partly on the vehicle’s model year, along with the driver, location and coverage. The build date rarely matters to an insurer.
