Infiniti VIN Decoder — Free Character-by-Character Breakdown for Any Infiniti VIN.
Every Infiniti — every Q50, Q60, QX50, QX55, QX60, and QX80 — carries a 17-character VIN that encodes its plant, its powertrain, and its identity. The Infiniti VIN decoder splits that string into 12 fields you can actually read: the World Manufacturer Identifier, the model line, the engine, the model year, and the assembly plant. Paste an Infiniti VIN below and we'll decode it in seconds — plus surface any open Infiniti recalls from the live NHTSA feed. Free, no sign-up.
Free Infiniti VIN Decoder — Break Down Any 17-Character Infiniti VIN
Enter an Infiniti VIN and we'll return the WMI, model year, plant of manufacture, engine, and production serial — plus open recalls and title brands.
Free · No sign-up · Instant result
Quick Answer
- How do I decode an Infiniti VIN?
- Read the 17-character VIN from the windshield or door jamb and paste it into CarCheckerVIN's free Infiniti VIN decoder. It breaks the string into the WMI (positions 1-3), vehicle attributes (4-8), check digit (9), model year (10), plant (11), and production serial (12-17) — no sign-up.
- What Infiniti WMIs should I look for?
- Infiniti passenger cars built in Japan start with JN1 (sedan) or JN4 (Q50/Q60 SUV variants). Japan-built SUVs like the QX50 and older QX60 use JN8. The US-built QX60 from Smyrna, Tennessee uses 5N3.
- How do I read the Infiniti model year from a VIN?
- The 10th character encodes the model year. Recent codes: F=2015, G=2016, H=2017, J=2018, K=2019, L=2020, M=2021, N=2022, P=2023, R=2024, S=2025, T=2026. The letters I, O, Q, U, Y, and Z are never used in the model-year position.
What an Infiniti VIN Decodes
A single Infiniti VIN carries enough encoded data to reconstruct the car from scratch: where it was built, what engine and transmission it came off the line with, and which model line and trim family it belongs to. The decoder pulls the six most-useful fields from the 17 characters.
WMI — country + manufacturer
The first three characters are the World Manufacturer Identifier. JN1 covers Japan-built Infiniti passenger cars, JN4 covers Japan-built Q50/Q60 sedan/coupe variants, JN8 covers Japan-built SUVs (older QX60, QX50, QX55), and 5N3 identifies the US-built QX60 from the Smyrna, Tennessee plant.
Model line and body style
Characters 4-7 encode the model line, body style, and drivetrain. The decoder translates them into plain English: Q50 sedan AWD, Q60 coupe RWD, QX60 CUV AWD, and so on. That is the same field Infiniti's dealer system uses to look up the build sheet.
Engine code
The 8th character carries the engine code. On modern Infiniti models: V = VR30DDTT 3.0L twin-turbo V6 (Q50/Q60 Red Sport), T = VQ35DE 3.5L V6 (older Q70, current QX60 pre-2022), R = QR25DER 2.0L turbo (older Q50), and so on. That confirms whether the seller's engine description matches the factory build.
Check digit (position 9)
The 9th character is a mathematically-calculated check digit. It is not decorative — it validates that the other 16 characters have not been altered. A VIN with a bad check digit is a red flag for tampering or transcription error.
Model year (position 10)
The 10th character is the model year code. For Infiniti: F=2015, G=2016, H=2017, J=2018, K=2019, L=2020, M=2021, N=2022, P=2023, R=2024, S=2025, T=2026. The letters I, O, Q, U, Y, and Z never appear in this position — anywhere you see them, the VIN is invalid.
Plant + serial (positions 11-17)
Position 11 identifies the assembly plant: T for Tochigi (Q50/Q60), U for Kyushu (QX60/QX80), and M for Smyrna, Tennessee (US-built QX60). Positions 12-17 form the six-digit sequential serial that makes each Infiniti VIN unique.
Infiniti VIN Position-by-Position Breakdown
The 17 characters in an Infiniti VIN follow the ISO 3779 international standard, but Infiniti uses specific codes at each position that only apply to its lineup. Here is the position-by-position breakdown, plus a mini-table of model-year codes from 2015 through 2026 that you can read off any Infiniti VIN at a glance.
| Position | Generic meaning | Infiniti-specific example |
|---|---|---|
| 1 | Country of origin | J = Japan, 5 = United States |
| 2 | Manufacturer | N = Nissan/Infiniti |
| 3 | Vehicle type / division | 1, 4, 8 (JP body types); 3 = Nissan North America |
| 4 | Model line | A/B/C = Q50, D/E = Q60, F/G = QX50/QX55 |
| 5 | Body / trim family | Sedan, coupe, SUV body code |
| 6 | Restraint system | Airbag configuration + belt code |
| 7 | Body / drivetrain | AWD vs RWD, doors |
| 8 | Engine code | V = VR30DDTT 3.0L twin-turbo, T = VQ35DE 3.5L V6, R = QR25DER 2.0L turbo |
| 9 | Check digit | Calculated from the other 16 characters |
| 10 | Model year | F=2015 → T=2026 (see mini-table) |
| 11 | Assembly plant | T = Tochigi (Q50/Q60), U = Kyushu (QX60/QX80), M = Smyrna TN (US QX60) |
| 12-17 | Sequential serial | Six-digit production number, unique to that VIN |
Infiniti model-year codes (position 10)
FGHJKLMNPRSTThe 10th character encodes the model year. Letters I, O, Q, U, Y, and Z are never used. A VIN with any of those letters at position 10 is invalid.
Where to Find Your Infiniti VIN
Infiniti prints the VIN in at least five places on every modern vehicle. Any one of them is enough to run the decoder — and if any of them disagree with each other, that is a strong signal that the car's identity has been tampered with.
The fastest place to find an Infiniti VIN is the lower corner of the windshield on the driver's side — look through the glass from outside. The driver-side door jamb sticker is the second-easiest place; Infiniti includes it as required by federal law, and it also lists the tire pressure spec and the manufacture date. The title document and the insurance ID card both print the VIN, and your Infiniti registration usually does too.
On older Infinitis you may also find the VIN stamped on the firewall under the hood or on the passenger-side dashboard. For the cleanest read, copy the VIN directly from the door jamb sticker — that one is printed and protected, so it is less likely to be smudged or scratched than the dashboard plate.
Five places the Infiniti VIN lives
- Lower driver-side windshield (visible from outside)
- Driver-side door jamb sticker (also lists tire pressure)
- Infiniti title document
- Insurance ID card
- State registration document
Found it? Drop the 17-character Infiniti VIN into the form above and decode it in seconds.
Decode Your Infiniti VIN Right Now
Got an Infiniti VIN to check? Run it through the decoder for a full character-by-character breakdown plus title brands and open recalls. Free, in seconds.
Common Infiniti Issues Revealed by VIN
Infiniti has issued several targeted recall campaigns, and a decoded VIN tells you whether that specific car is affected. The decoder pulls the live NHTSA feed alongside the position-by-position breakdown so you see recall status attached to the actual VIN.
Takata airbag inflators
Certain 2000s-2010s Infiniti G35, G37, M35, M37, M45, M56, QX56, and QX80 models were included in the Takata inflator campaign. The Infiniti VIN decoder shows the model year via position 10 and cross-references the NHTSA feed to confirm whether the airbag work has been completed on that specific VIN. Infiniti performs the replacement at no charge regardless of ownership.
Fuel pump and delivery
Certain 2016-2021 Infiniti models with the VR30DDTT twin-turbo V6 have been recalled for high-pressure fuel pump issues. Decoding position 8 confirms the engine code, and the recall check confirms whether the pump on that VIN has been replaced or remains open.
Direct-adaptive steering (Q50)
The Q50 introduced Direct Adaptive Steering — a steer-by-wire system — and several recalls have addressed software and sensor issues. A VIN check shows the model year and trim variant so you can confirm whether that specific Q50 carries the affected steering module.
Buying a used Infiniti? Pair this Infiniti VIN decoder with a focused recall check and an accident history check for a complete picture before you put money down.
Infiniti VIN Decoder vs Infiniti Owner Portal
Infiniti operates an Owner Portal at owners.infinitiusa.com that lets you look up basic model information and open recalls tied to a VIN. It is useful if you already own the car — but you have to create an account, and it does not surface title brands, salvage records, or the plant-of-manufacture breakdown you get from a real VIN decoder.
A free Infiniti VIN decoder gives you the same NHTSA recall data the manufacturer portal uses, plus the character-by-character breakdown that tells you where the car was actually assembled and what engine it left the factory with. For used Infiniti buyers looking at cars they do not yet own, the decoder is the practical entry point. Follow it with a full VIN history report to see every dated line item — title transfers, odometer snapshots, and any total-loss claims.
The right call depends on what you need. If you own the Infiniti and just want a recall check, the manufacturer portal is fine. If you are pre-purchase or want to verify plant of manufacture, engine code, and title brands, run the decoder here first.
Infiniti VIN decoder checklist
- Confirm the VIN is exactly 17 characters (no I, O, Q)
- Verify the WMI matches an Infiniti pattern (JN1, JN4, JN8, or 5N3)
- Read the model year off position 10 (see the mini-table)
- Check the engine code at position 8 matches the seller's description
- Cross-reference open recalls against the decoded model year
- Order a full VIN history report before high-stakes purchases
Decode the VIN first — paste the Infiniti VIN here:
Related VIN Tools for Infiniti Owners
The Infiniti VIN decoder is the starting point. These focused tools dig into specific records when something looks off — or when you want a complete picture before you buy.
Always check the VIN before you buy
Our free report reveals accidents, title brands, odometer rollback, theft records, and open recalls in seconds.
Infiniti VIN Decoder — Frequently Asked Questions
The questions Infiniti owners and used-Infiniti buyers ask most when they want to decode an Infiniti VIN.
How do I decode an Infiniti VIN?+
To decode an Infiniti VIN, find the 17-character VIN on the lower driver-side corner of the windshield, the driver-side door jamb sticker, the title document, or the insurance card, and enter it into the free Infiniti VIN decoder on this page. The tool validates that the VIN is exactly 17 characters and excludes the disallowed letters I, O, and Q, then breaks it into 12 fields: the WMI (positions 1-3), vehicle attributes (positions 4-7), engine code (position 8), check digit (position 9), model year (position 10), assembly plant (position 11), and production serial (positions 12-17). Free, no sign-up, no credit card.
What do the first three characters of an Infiniti VIN mean?+
The first three characters of any VIN form the World Manufacturer Identifier (WMI), which encodes the country of origin, the manufacturer, and the vehicle class. For Infiniti, the most common WMIs are JN1 (Japan-built Infiniti passenger cars, historically the G-series and older Q sedans), JN4 (Japan-built Q50 and Q60 sedan/coupe body types), JN8 (Japan-built Infiniti SUVs including the older QX60, QX50, and QX55), and 5N3 (US-built QX60 from the Nissan Smyrna, Tennessee plant). If you see any other pattern in the first three characters, it is not an Infiniti — or the VIN has been tampered with.
How do I read the Infiniti model year from a VIN?+
The 10th character of the 17-character VIN encodes the model year. Infiniti follows the standard model-year code chart: F=2015, G=2016, H=2017, J=2018, K=2019, L=2020, M=2021, N=2022, P=2023, R=2024, S=2025, T=2026. The letters I, O, Q, U, Y, and Z are never used in the model-year position — the code chart repeats every 30 years, so a VIN with position-10 character A could be model year 1980 or 2010, but the decoder disambiguates using the 7th character (letter for 2010+, digit for 1980-2009 on newer VIN generations).
Which position gives the Infiniti engine code?+
The 8th character of an Infiniti VIN carries the engine code. On modern Infiniti models the codes you are most likely to see are V for the VR30DDTT 3.0L twin-turbo V6 (Q50 Red Sport and Q60 Red Sport), T for the VQ35DE 3.5L V6 (older Q70, QX60 pre-2022), R for the QR25DER 2.0L turbo four-cylinder (older Q50), and K for the KR20DDET 2.0L turbo (newer QX50/QX55). Decoding position 8 is how you confirm that the engine in the car matches the engine the seller is describing — a common test drive check when the trim badge and the engine bay do not obviously agree.
Where is the Infiniti VIN plate located on the car?+
Infiniti prints the VIN in at least five places on every modern vehicle. The fastest is the lower driver-side corner of the windshield, visible by looking through the glass from outside the car. The driver-side door jamb sticker is the second-easiest place — Infiniti includes it as required by federal law, and it also lists the tire pressure spec and the manufacture date. The VIN also appears on the Infiniti title document, the insurance ID card, and the state registration document. On some Infiniti models you may find it stamped on the firewall under the hood as well. If the VIN on the dashboard does not match the VIN on the title, stop — that mismatch is a strong signal that the car's identity has been tampered with.
How can I tell if an Infiniti was built in Japan or the US?+
The first character of the VIN answers this question. J means Japan (which covers most Infiniti models), and 5 means the United States (specifically, the Nissan/Infiniti assembly plants in Smyrna, Tennessee, and Canton, Mississippi). The QX60 is the Infiniti model most commonly built in the US — starting model year 2022, the redesigned QX60 is produced in Smyrna, Tennessee alongside the Nissan Pathfinder that shares its platform. Position 11 confirms the specific plant: T for Tochigi (Japan), U for Kyushu (Japan), and M for Smyrna (Tennessee). This matters for parts sourcing and, occasionally, for owners tracking specific plant-related quality campaigns.
Is the Infiniti VIN decoder actually free?+
Yes. The Infiniti VIN decoder on this page is free with no sign-up, no credit card, and no hidden charges. You enter the 17-character Infiniti VIN and we return the character-by-character breakdown (WMI, attributes, check digit, model year, plant, serial), plus the title-brand summary from NMVTIS and any open recalls from the live NHTSA feed. Free VIN decoding is possible because the ISO 3779 standard, NHTSA recall data, and NMVTIS title-brand data are all accessible through approved providers — we surface the consumer-relevant fields without putting a paywall in front of basic safety information. A paid full history report is available if you need every dated line item, but the free decoder is sufficient for most pre-purchase decisions.
Ready to Decode an Infiniti VIN?
Enter any 17-character Infiniti VIN for a free position-by-position breakdown plus open recalls and title brands from NMVTIS. No account required.
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