Your 17 character Cadillac VIN reveals model year, production details, engine, transmission, and factory specification.
Use the VIN decoder below to confirm core vehicle details, then use the build sheet and option code lookup to identify your exact options, packages, and factory installed equipment.
Check VIN identity, factory spec, recalls, complaints, and ownership risks before you buy.
EPA fuel economy for the vehicle year and model profile.
Supplementary spec matching for output such as power, transmission, size, and weight.
Model level safety and complaint data for the decoded year, make, and model.
Platform specific reliability patterns, critical engine platform audits, and pre purchase inspection guidance.
Probability model for common package combinations around this production era.
The free scan verifies identity and surfaces early risk signals. The paid report goes deeper into what those signals mean for ownership, repairs, and buying confidence.
Unlock Full VIN ReportArticle By: Dale Ogden
Dale Ogden is the founder of Check Your Spec and a trusted automotive expert with more than 20 years of experience in vehicle valuations, forecasting, and asset management. He previously served as a Forecast Manager at CAP HPI – the UK’s leading vehicle valuation authority the UK’s leading vehicle valuation authority, widely regarded as a counterpart to Kelley Blue Book. Dale helped pioneer early electric vehicle depreciation models adopted by major manufacturers, and his work has contributed residual value forecasts across more than 10,000 vehicles. Today, his practical, data led insights support buyers, enthusiasts, and automotive professionals around the world.
A Cadillac VIN is a 17 character Vehicle Identification Number that defines exactly how a vehicle left the factory. It breaks down manufacturer, model, engine, production year, and assembly location. This is the most reliable way to verify a Cadillac’s true identity, especially when listings, badges, or trim names do not tell the full story.
1GY identifies Cadillac SUVs and crossovers built in the United States. Other codes like 1G6 confirm Cadillac passenger cars. This is your first confirmation the vehicle is genuinely Cadillac.
This section defines the model and configuration. Codes here separate vehicles like CT4, CT5, XT5, or Escalade, along with engine type and body style. This is where major spec differences begin to show.
0 is the check digit. It validates the VIN and ensures the number has not been altered or entered incorrectly.
R represents the model year. This is critical when identifying generation changes, redesigns, or updated technology across Cadillac models.
R indicates the assembly plant, such as Arlington, Texas or Lansing, Michigan. This helps confirm where the vehicle was built.
123456 is the unique serial number assigned to that specific Cadillac. No two vehicles share the same final sequence.
A Cadillac build sheet is the original factory record that shows exactly how a vehicle was configured when it was produced. It connects your VIN to the precise engine, transmission, trim level, paint code, interior specification, and every factory option installed on that specific Cadillac. If you want to know what the car truly is, this is where the real detail lives.
Most buyers searching for a Cadillac build sheet by VIN are trying to confirm whether a vehicle is correctly described. It is the easiest way to verify trim claims, check for high value options, and avoid paying premium money for a base specification dressed up to look like something higher.
Two Cadillacs can look identical on the surface but be very different underneath. A build sheet confirms whether the vehicle actually has features like Magnetic Ride Control, upgraded Bose audio, larger factory wheels, driver assistance systems, or performance focused packages.
A proper Cadillac build sheet links directly to the VIN and reveals the full factory specification. This includes everything from drivetrain and suspension setup to technology, comfort features, and optional upgrades that impact real world value.
You can obtain a Cadillac build sheet through a dealer VIN lookup, manufacturer records where available, or by decoding factory option codes and vehicle data labels. Some online tools attempt to generate build data, but accuracy depends heavily on the source.
A VIN decoder confirms the foundation of the vehicle, such as model, engine family, and production year. The build sheet goes further by breaking down every factory installed option, making it the key tool for understanding the true specification behind the VIN.
Start by decoding your Cadillac VIN to confirm the core identity. From there, you can move deeper into the build sheet and option codes to understand exactly how that vehicle was configured when it left the factory.
Cadillac option codes, known as RPO codes (Regular Production Option codes), are factory identifiers that define the exact equipment installed on a specific vehicle. Unlike Audi PR codes, Cadillac uses RPO codes to track everything from engine configuration and transmission type to suspension setup, paint finish, wheels, and interior features. These codes are typically found on the service parts identification label, often located in the glovebox, trunk area, or vehicle documentation.
A Cadillac RPO code lookup converts factory codes into real specifications. This includes performance features like Magnetic Ride Control (F45), transmission types such as 10L80, paint codes like WA8555 or WA817K, and technology systems including CUE infotainment and Bose audio setups.
RPO codes are the most reliable way to confirm a Cadillac’s true factory specification. They allow you to verify whether the vehicle genuinely has the features being advertised, rather than relying on trim names, badges, or incomplete listings that often miss key details.
Cadillac RPO codes can vary depending on model, production year, and market. Engine options, transmission setups, and available features change over time, so always match the codes against the exact vehicle you are checking to ensure accuracy.
There are several reliable ways to find your Cadillac’s option list. The right approach depends on whether you want to read the original RPO codes yourself, confirm the full factory build sheet, or pull data directly from the vehicle. Cadillac option codes, known as RPO codes, are the key to understanding exactly how the car was built.
Most Cadillacs have a Service Parts Identification label that lists the RPO codes for that vehicle. This is often located in the glovebox, trunk area, or under a panel. These codes can be used to build a precise factory option list.
On some models, the RPO sticker may also appear near the spare tire compartment or cargo floor. If one location is missing, it is worth checking multiple areas for the original factory code label.
A Cadillac dealer can typically use your VIN to access the original build data. This is one of the most accurate ways to confirm factory options, packages, and how the vehicle was configured when new.
Some online VIN tools can provide Cadillac option data and partial build information. They are useful as a starting point, but results can vary, so they should always be cross checked with official data or RPO codes.
Diagnostic tools can sometimes pull configuration data from the vehicle’s control modules. While not a full replacement for RPO codes, they can help confirm specific systems, features, and installed equipment.
For the most accurate result, combine the RPO code label, VIN based build data, and any scan tool information. This gives you a complete and reliable picture of your Cadillac’s true factory specification.
Paste Cadillac RPO codes from your glovebox label, trunk label, service parts label, or build sheet. This tool translates codes into readable factory options.
Code lookup
Search the full list by code or keyword. This is useful for paint codes, wheel codes, suspension codes, transmission codes, and Cadillac equipment codes.
Notes: Cadillac engine codes vary by model year, trim, and market. Always verify against the exact VIN, RPO label, or build sheet.
Notes: Transmission availability depends on generation, engine, drivetrain, and trim level.
Organized by Cadillac exterior paint code.
Notes: Wheel code meanings can vary by model year, trim, and package. Confirm size and finish against the exact Cadillac build sheet.
Notes: Single character codes depend heavily on VIN position. The same character may mean different things depending on where it appears.
Pick your model for a more specific lookup and common option codes.
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