Cadillac VIN Decoder: What Every Digit Means

Cadillac occupies a specific place in the used luxury market — aspirational enough to carry a premium price tag, but common enough that supply is large and histories vary enormously. An Escalade that has been well-maintained by a single private owner is a very different vehicle from one that spent its first four years in a rental fleet, or a CT5 that was in a rear-end collision in year two and quietly resold through a private-party listing. Cadillac's recall history across recent model lines — including a major 2025 recall covering nearly 600,000 Escalades equipped with the 6.2L V8 — makes checking the specific VIN before any purchase a necessary step, not an optional one.

This guide breaks down every digit of a Cadillac VIN, explains what each position reveals about the vehicle, and shows you exactly how to run a complete history report in minutes. For an instant free result, see the free tools comparison below.

Where to Find the VIN on a Cadillac

Cadillac places the VIN in several consistent locations across its lineup:

• Dashboard (primary location): Visible through the windshield on the driver's side — stamped on a metal plate at the base of the windshield where it meets the dashboard. This is the primary reference point for any VIN check.
• Driver's door jamb: A sticker inside the door frame on the driver's side. On Escalade and full-size SUV models, this sticker also carries the GVWR, tire pressure, and paint code data.
• Engine bay: Stamped on the firewall on the driver's side. On Escalade models with the 6.2L V8, comparing the firewall stamp to the dashboard plate is one way to verify the engine hasn't been swapped.
• All models: Also printed on the title, insurance card, and registration documents.

On Escalade specifically, the firewall and door jamb stamps are worth verifying against the dashboard plate — high-value luxury SUVs are among the more common targets for VIN cloning fraud, where a stolen vehicle is fitted with a VIN from a clean-titled counterpart of the same year and color. Any mismatch between locations is a hard stop until resolved.

Cadillac VIN Decoder: Digit by Digit

Here is what each position in a Cadillac VIN tells you:

Position 1: Country of manufacture

A "1" in position 1 means the Cadillac was assembled in the United States. "2" indicates Canada. It's worth knowing that Escalade production moved between plants over the years — current Escalade and Escalade ESV production occurs at the Silao Assembly Plant in Guanajuato, Mexico, which assigns a "3" in position 1. If you're looking at an Escalade and the first character is "3," the vehicle was assembled in Mexico, not the US. This does not reflect on quality, but it's worth verifying against what the seller states, and it does affect which plant-specific assembly histories apply.

Positions 2–3: Manufacturer and vehicle type

Position 2 is always "G" for General Motors on any genuine Cadillac — the same "G" that appears in Chevrolet, Buick, and GMC VINs, since all are GM brands. Position 3 is the key differentiator for Cadillac buyers: 1G6 indicates a US-built Cadillac passenger car (CT4, CT5, older CTS, ATS), while 1GY indicates a US-built Cadillac multipurpose passenger vehicle — this covers the XT5, XT6, and earlier model years of the Escalade before production moved to Mexico. If you're looking at a vehicle described as an Escalade and the WMI is 1G6 instead of 1GY (or 3GY for Mexico-built), that's a mismatch requiring explanation.

Position 8: Engine code

On Cadillac vehicles, position 8 within the VDS identifies the engine. This is especially significant on Escalade and Escalade ESV models where the 6.2L V8 (engine code "J" in recent years) is central to both the performance appeal and the major 2025 recall. Always verify that the engine code at position 8 corresponds to the engine physically present — and cross-reference it against the NHTSA recall database to confirm whether any VIN-specific recall on that engine has been completed. On CT4 and CT5 models, position 8 distinguishes the 2.0L turbocharged four-cylinder from the 3.6L V6, which have different maintenance histories and known issue profiles.

Position 10: Model year

The model year character in position 10 is critical for Cadillac buyers because the brand underwent a full lineup restructuring beginning around 2019–2020 — retiring the ATS and CTS sedans in favor of the CT4 and CT5, launching the Lyriq EV platform, and refreshing the Escalade for the fifth generation in 2021. A CT5 from 2020 (position 10 = "L") and one from 2023 ("P") are similar vehicles, but the 2021+ Escalade (position 10 = "M") represents a completely different generation from the 2020 ("L") and earlier fourth-generation trucks.

Position 9: The check digit

Position 9 is a mathematically derived check digit, calculated using the ISO 3779 algorithm across the other 16 characters. On high-value luxury vehicles like the Escalade — which regularly sells for $80,000–$130,000 new and holds strong resale value — VIN fraud is a real concern. A VIN that fails the check digit calculation has been tampered with or fabricated and should never be purchased. Free online VIN check tools will flag a failed check digit immediately.

What a Cadillac VIN Check Can Reveal

Cadillac's used market has specific patterns that a VIN history report is well-positioned to surface. Luxury vehicles depreciate faster than mainstream models in the first few years, which means buyers are often acquiring a vehicle with significant original purchase price that has been used in ways that don't appear in the listing.

• Accident history — Cadillac repair costs are high. A CT5 with a rear-end collision in its history that was repaired to visual standard may still carry structural or sensor damage that affects safety systems. A VIN report will surface insurance claims the seller is not required to disclose.
• Title status — Branded title events — salvage, rebuilt, flood, lemon law buyback — are recorded in the NMVTIS database. A Cadillac with a washed title from a prior state may appear clean in the current state's records but will show the brand in a full VIN history report.
• Open recalls — Cadillac has had numerous VIN-specific recall campaigns across recent model years. The 2025 Escalade engine recall (NHTSA 25V-274) covered 2021–2024 Escalade and Escalade ESV models. A VIN check will show which recalls have been completed and which remain open on the specific vehicle.
• Odometer records — Cadillacs are common in executive transportation, livery, and corporate fleet use — contexts where mileage can be high and maintenance deferred. Odometer inconsistencies across multiple title transfers are a documented risk on luxury vehicles with fleet histories.
• Theft records — Escalades are among the most frequently stolen large SUVs in the US. A NICB VINCheck and NMVTIS-sourced history report will confirm the vehicle has not been reported stolen and has a clean title chain.
• Number of owners and use type — A Cadillac sold off a corporate lease after two years is a different vehicle from one sold by its original private owner after five. The number of title transfers and the nature of those transfers tells a significant part of the story.

Cadillac VIN Check by Model: What to Look For

Cadillac Escalade / Escalade ESV

The fifth-generation Escalade (2021+) uses 3GY as its WMI — Mexico-built at the Silao plant (plant code "Y"). The fourth generation (2015–2020) used 1GY from the Arlington, Texas assembly plant. When evaluating any used Escalade, confirm which generation you're looking at via position 10, then cross-reference the 6.2L V8 engine code against the open recall list — NHTSA recall 25V-274 covers 2021–2024 Escalade and Escalade ESV models for engine connecting rod and/or crankshaft manufacturing defects that can lead to engine failure. Verify that remedy has been completed before purchase. On any generation, run the VIN against NMVTIS records to verify no salvage or flood title from a prior state.

Cadillac XT5

The XT5 is Cadillac's best-selling crossover and uses 1GY as its WMI, built at Spring Hill, Tennessee (plant code "W"). It replaced the SRX in 2017 and has been produced through the current generation. In July 2024, GM recalled approximately 2,441 units of the 2023–2025 XT5 (NHTSA recall 24V-459) over instrument cluster software that could prevent turn signal, high beam, and hazard warning indicator lights from illuminating correctly. Check the VIN to confirm the software update has been applied. On older XT5 models (2017–2020), a known concern involves rearview camera image failure on certain vehicle years — verify that any related recall repairs are complete.

Cadillac CT5 / CT4

The CT5 and CT4 — introduced for 2020 as replacements for the CTS and ATS — use 1G6 as their WMI and are built at Lansing Grand River (plant code "L") or Spring Hill (plant code "W"). These are relatively young used vehicles, but already carry recall activity: a 2024 recall (N242454440) covered 2019–2021 CT4 and CT5 models with 10-speed transmission control valve issues — check whether the software update has been completed. The CT5-V Blackwing, the performance flagship, is a vehicle that attracts enthusiast buyers and is worth extra scrutiny for track use or high-performance driving history that may not appear in the title.

Cadillac Lyriq

The Lyriq, Cadillac's first mass-market EV, launched for the 2023 model year and uses a distinct WMI reflecting its Hamtramck, Michigan assembly origin. As an early-generation EV, the Lyriq has accumulated notable recall activity for a vehicle that young: video display software failures (N252500680, covering 2023–2024 models, affecting 41,376 units), ABS software issues on AWD variants (N242453471), and stabilizer bar bracket bolt concerns (N252494190 covering 2023–2025 models). Any Lyriq purchase should begin with a VIN-specific recall check to confirm all software and hardware remedies have been completed. Battery-related issues on EVs carry different risk profiles than ICE vehicles — verify no electrical system title events appear in the history report.

How to Run a Cadillac VIN Check: Step by Step

1. Locate the VIN through the windshield on the driver's side dashboard — the metal plate at the base of the windshield is the primary reference.
2. Cross-check with the driver's door jamb sticker — both must match exactly. On Escalade models, also check the engine bay firewall stamp.
3. Verify the first three characters match a recognized Cadillac WMI: 1G6 (US passenger car), 1GY (US SUV/MPV), 2G6 (Canada passenger car), 3GY (Mexico-built Escalade).
4. Read position 10 to confirm the model year matches what the seller has stated.
5. Note the engine code at position 8 and verify it matches the engine physically present in the vehicle.
6. Run the full VIN through the free NHTSA decoder to confirm specs and check for all open VIN-specific recalls — Cadillac has active recall campaigns across multiple current model lines.
7. Run the free NICB VINCheck to cross-reference national theft databases.
8. Enter the full 17-digit VIN into a trusted NMVTIS-approved provider for a complete history report.
9. Review title status and accident history first — then odometer records, owner count, and any fleet or livery use history.

Free vs Paid Cadillac VIN Check

Free tools like the NHTSA VIN decoder and NICB VINCheck are legitimate but limited — they only show basic specs and theft records. For a complete history including accidents, title events and odometer records, a paid report from an NMVTIS-approved provider is needed.

For Cadillac specifically, the gap between free and paid is easy to overlook. The NHTSA tool will confirm model details and flag open recalls — genuinely useful given the active recall programs on Escalade, XT5, CT4, CT5, and Lyriq lines — but it won't show prior accident records, title history from other states, fleet or livery use, or odometer inconsistencies on a vehicle that has changed hands multiple times. Those are exactly the details that tend to be absent from private listings on vehicles priced at $40,000 to $100,000+. A paid report costing under $25 is a straightforward step before committing to any used Cadillac at that price point.

Frequently Asked Questions

What does 1G6 mean on a Cadillac VIN?

1G6 is the World Manufacturer Identifier (WMI) for Cadillac passenger cars assembled in the United States. The "1" identifies the United States as the country of manufacture, "G" identifies General Motors as the manufacturer, and "6" designates a passenger car body class. This WMI appears on the CT4, CT5, the former CTS, ATS, and CT6 sedans. Cadillac SUVs use a different third character — "Y" for multipurpose passenger vehicle — giving them a WMI of 1GY.

How do I tell the difference between a 2021 and 2020 Escalade by VIN?

Position 10 of the VIN encodes the model year — "L" for 2020, "M" for 2021. This distinction is important because the 2021 Escalade represents the fifth-generation redesign, with a new independent rear suspension, OLED display cluster, and a move to the Silao, Mexico assembly plant — reflected in a "3" rather than "1" in position 1. The fourth-generation 2020 Escalade (WMI 1GY) and fifth-generation 2021 (WMI 3GY) are structurally different vehicles with different recall exposures and different long-term reliability profiles. Always verify both position 1 and position 10 when evaluating any Escalade on the used market.

Is the Cadillac Escalade subject to any open recalls?

Yes — as of 2025, one of the largest active Cadillac recall programs is NHTSA campaign 25V-274, covering 2021–2024 Escalade and Escalade ESV models equipped with the 6.2L V8. The recall involves potential manufacturing defects in engine connecting rod and/or crankshaft components that can lead to engine damage and failure. 597,630 vehicles across GM brands were included. The remedy involves dealer inspection, and engine repair or replacement as needed — at no cost to the owner. Run any Escalade VIN through the NHTSA database to confirm whether the remedy has been performed on the specific vehicle.

Where is the Cadillac Escalade assembled, and what does that mean for the VIN?

Current fifth-generation Escalade production (2021+) takes place at the Silao Assembly Plant in Guanajuato, Mexico — which assigns "3" in position 1 of the VIN (plant code "Y" in position 11), giving WMI 3GY. Fourth-generation Escalades (2015–2020) were built at GM's Arlington, Texas plant (WMI 1GY). The country of assembly does not indicate a difference in build quality between these generations, but it does affect which plant-specific manufacturing records apply and clarifies what to expect when decoding the first character of the VIN.

Can I check a Cadillac VIN for free?

Yes — two free tools are worth using before paying for anything. The NHTSA VIN decoder confirms factory specs (model, engine, body style, assembly plant) and lists any open safety recalls tied to the specific VIN. The NICB VINCheck cross-references national theft records. Both are free and legitimate. What they don't cover is accident history, title brands from other states, odometer records, or lien status — that data requires a paid report from an NMVTIS-approved provider.

Author

Hicham

Engineer by training. Publisher by practice. I started VINLookupGuide to give used car and motorcycle buyers the research behind the purchase decision — sourced, verified, and honest.

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