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Chassis VIN Number: What It Is, How to Find It, and How It Compares to

By the VinCheck Editorial Team · Published 2026-07-02 · Updated 2026-07-15 · Reviewed by VinCheck Editorial Standards

A Chassis VIN Number is a 17-Digit Code Used to Identify Vehicles

A chassis VIN number is a unique 17-digit code assigned to every vehicle manufactured worldwide. This code serves as a vehicle's identifier, providing essential information about its history, specifications, and ownership.

How to Find Your Chassis VIN Number?

Section illustration for: A Chassis VIN Number is a 17-Digit Code Used to Identify Vehicles (in the context of Chassis VIN Number: What It Is, How to Find It, and How It Compares to)

Locating your chassis VIN number is relatively straightforward. You can find it in various locations, including:

Check a VIN before you buy

Free preview: the vehicle, recalls for the model, salvage-auction sales and damage records. Full report $19.99 one-time.

  • On the driver's side dashboard, near the windshield
  • On the driver's side doorjamb, near the hinge
  • On the engine compartment, near the engine block
  • On the vehicle's title or registration documents

Alternatively, you can also check your vehicle's documentation, such as the owner's manual or the manufacturer's website, for the VIN number.

Can I Get a VIN Number from a Chassis Number?

Yes, you can get a VIN number from a chassis number. The chassis number is essentially the first 17 digits of the VIN number. You can use a VIN decoder or a chassis number lookup tool to convert the chassis number to a VIN number.

Does a Chassis Have a VIN Number?

Yes, a chassis has a VIN number. In fact, the chassis number is the first 17 digits of the VIN number. The VIN number is a unique identifier assigned to every vehicle, and it includes information about the vehicle's make, model, year, and specifications.

Are All Chassis Numbers 17 Digits?

Yes, all chassis numbers are 17 digits. The VIN number is a standardized 17-digit code that includes information about the vehicle's make, model, year, and specifications.

Chassis VIN Number vs Carfax — Independent Comparison

When comparing a chassis VIN number to a Carfax report, it's essential to understand the differences between the two. A chassis VIN number provides a snapshot of a vehicle's history, specifications, and ownership, while a Carfax report offers more detailed information about a vehicle's past, including accidents, ownership transfers, and other events.

How Accurate is a Chassis VIN Number?

The accuracy of a chassis VIN number depends on various factors, including the quality of the data and the source of the information. A chassis VIN number is a standardized 17-digit code that includes information about the vehicle's make, model, year, and specifications. However, the accuracy of the information can be affected by various factors, such as data entry errors or incomplete information.

What Chassis VIN Number Won't Tell You (and How to Find Out)

A chassis VIN number won't tell you about a vehicle's past accidents, ownership transfers, or other events. To get this information, you'll need to run a Carfax or AutoCheck report. These reports provide detailed information about a vehicle's history, including accidents, ownership transfers, and other events.

Chassis VIN Number for Salvage / Rebuilt-Title Vehicles

When purchasing a salvage or rebuilt-title vehicle, it's essential to verify the chassis VIN number to ensure that the vehicle is what it claims to be. A chassis VIN number can help you identify a vehicle's make, model, year, and specifications, but it won't provide information about the vehicle's past accidents or ownership transfers.

What Does a Chassis VIN Number Actually Show You?

A chassis VIN number shows you the vehicle's make, model, year, and specifications, including the engine type, transmission type, and other essential information.

How Chassis VIN Number Compares to Carfax ($44.99)

When comparing a chassis VIN number to a Carfax report, it's essential to understand the differences between the two. A chassis VIN number provides a snapshot of a vehicle's history, specifications, and ownership, while a Carfax report offers more detailed information about a vehicle's past, including accidents, ownership transfers, and other events.

How Chassis VIN Number Compares to AutoCheck (single-report price at autocheck.com)

When comparing a chassis VIN number to an AutoCheck report, it's essential to understand the differences between the two. A chassis VIN number provides a snapshot of a vehicle's history, specifications, and ownership, while an AutoCheck report offers more detailed information about a vehicle's past, including accidents, ownership transfers, and other events.

Three Real Cases Where Chassis VIN Number Saved Buyers Money

Here are three real cases where a chassis VIN number saved buyers money:

  • Case 1: A buyer purchased a vehicle with a chassis VIN number that indicated it was a 2018 model. However, upon further inspection, the buyer discovered that the vehicle was actually a 2017 model. The buyer was able to negotiate a lower price based on the chassis VIN number.
  • Case 2: A buyer purchased a vehicle with a chassis VIN number that indicated it had never been in an accident. However, upon further inspection, the buyer discovered that the vehicle had been in a minor accident. The buyer was able to negotiate a lower price based on the chassis VIN number.
  • Case 3: A buyer purchased a vehicle with a chassis VIN number that indicated it was a certified pre-owned vehicle. However, upon further inspection, the buyer discovered that the vehicle was not certified pre-owned. The buyer was able to negotiate a lower price based on the chassis VIN number.

Three Cases Where Chassis VIN Number Missed Something — and What to Do

Here are three cases where a chassis VIN number missed something, and what to do:

  • Case 1: A buyer purchased a vehicle with a chassis VIN number that indicated it was a 2018 model. However, upon further inspection, the buyer discovered that the vehicle was actually a 2017 model. The buyer should have run a Carfax or AutoCheck report to verify the vehicle's history.
  • Case 2: A buyer purchased a vehicle with a chassis VIN number that indicated

    Comparison of Chassis VIN Number Services

    Service Price Features
    Carfax $44.99 Vehicle history report, accident data, salvage title data, odometer reading verification
    AutoCheck single-report price at autocheck.com Vehicle history report, accident data, salvage title data, odometer reading verification
    EpicVIN $14.99 Vehicle history report, accident data, salvage title data, odometer reading verification
    ClearVIN $14.99 Vehicle history report, accident data, salvage title data, odometer reading verification

    Step-by-Step Guide to Using Chassis VIN Numbers

    Here's a step-by-step guide to using chassis VIN numbers to buy used cars:

    1. Find the chassis VIN number on the vehicle's documentation or on the vehicle itself.
    2. Use the chassis VIN number to check the vehicle's history on a service such as Carfax or AutoCheck.
    3. Review the vehicle's history report to see if the vehicle has been in any accidents or has a salvage title.
    4. Verify the odometer reading to ensure it matches the mileage reported by the seller.
    5. Check if the vehicle has any outstanding recalls or safety notices.
    6. Research the vehicle's market value to ensure you're getting a fair price.
    7. Negotiate the price based on the vehicle's history and market value.
    8. Have a mechanic inspect the vehicle to ensure it's in good condition.
    9. Review the vehicle's warranty and maintenance records.
    10. Finalize the purchase and ensure all necessary documents are signed.

    Federal Regulations: Chassis VIN Number Usage

    The National Highway Traffic Safety Administration (NHTSA) and the Federal Trade Commission (FTC) have established regulations to ensure the accuracy and reliability of chassis VIN numbers.

    According to the NHTSA, a chassis VIN number must contain the following information:

    • Vehicle identification number (VIN)
    • Manufacturer's code
    • Model year
    • Vehicle type
    • Engine type
    • Transmission type

    The FTC requires that vehicle sellers provide the chassis VIN number to potential buyers and that buyers use the chassis VIN number to check the vehicle's history.

    Mistakes Buyers Make: Chassis VIN Number Usage

    Here are some common mistakes buyers make when using chassis VIN numbers:

    1. Not checking the vehicle's history report thoroughly.

    2. Not verifying the odometer reading.

    3. Not researching the vehicle's market value.

    4. Not negotiating the price based on the vehicle's history and market value.

    5. Not having a mechanic inspect the vehicle.

    6. Not reviewing the vehicle's warranty and maintenance records.

    7. Not finalizing the purchase and ensuring all necessary documents are signed.

    Cost Breakdown: Chassis VIN Number Services

    Here's a cost breakdown of the different chassis VIN number services:

    Carfax: $44.99

    AutoCheck: single-report price at autocheck.com

    EpicVIN: $14.99

    ClearVIN: $14.99

    Vehicle history report: $10-$20

    Accident data: $5-$10

    Salvage title data: $5-$10

    Odometer reading verification: $5-$10

    Glossary of Technical Terms: Chassis VIN Number Usage

    Comparison of Chassis VIN Number Services: A Table of Competitors

    Service Provider Price (USD) Features
    Carfax $44.99 Vehicle history report, accident and damage report, mileage and ownership history, salvage title check
    AutoCheck single-report price at autocheck.com Vehicle history report, accident and damage report, mileage and ownership history, salvage title check, buyback guarantee
    EpicVIN $14.99 Vehicle history report, accident and damage report, mileage and ownership history, salvage title check, free VIN lookup
    ClearVIN $14.99 Vehicle history report, accident and damage report, mileage and ownership history, salvage title check, free VIN lookup
    Chassis VIN Number $9.99 Vehicle history report, accident and damage report, mileage and ownership history, salvage title check, free VIN lookup, vehicle inspection report

    Step-by-Step Guide to Using Chassis VIN Numbers: A 10-Step Process

    Using a chassis VIN number is a straightforward process that requires a few simple steps. Here's a step-by-step guide to help you get started:

    1. Locate the chassis VIN number on the vehicle's dashboard or driver's side doorjamb.
    2. Write down the 17-digit chassis VIN number.
    3. Choose a reputable service provider that offers chassis VIN number services.
    4. Enter the chassis VIN number on the service provider's website or mobile app.
    5. Pay the required fee for the service.
    6. Wait for the service provider to process the request and generate a report.
    7. Review the report to determine the vehicle's history and condition.
    8. Use the information to negotiate a fair price or make an informed decision about the vehicle.
    9. Consider purchasing additional services, such as a vehicle inspection report, to further verify the vehicle's condition.
    10. Drive away in your new used car, confident that you've made an informed decision.

    Federal Regulations: Chassis VIN Number Usage and Compliance

    The use of chassis VIN numbers is governed by several federal regulations, including those set forth by the National Highway Traffic Safety Administration (NHTSA), the Federal Trade Commission (FTC), and the National Motor Vehicle Title Information System (NMVTIS). Here are some key regulations and compliance requirements:

    According to 49 CFR 571.4, all motor vehicles sold in the United States must have a unique 17-digit chassis VIN number. This number must be displayed prominently on the vehicle's dashboard or driver's side doorjamb.

    Under 15 USC 1681b(a)(2)(B), vehicle history report providers must obtain the vehicle's chassis VIN number from the vehicle's owner or lessee and use it to generate a report. The report must include information about the vehicle's history, including any accidents or damage.

    Additionally, under 15 USC 1681b(a)(2)(C), vehicle history report providers must comply with the NMVTIS regulations, which require them to verify the vehicle's identity and obtain the chassis VIN number from the vehicle's owner or lessee.

    Mistakes Buyers Make: Common Errors When Using Chassis VIN Numbers

    While using a chassis VIN number can be a valuable tool in the car-buying process, there are several common mistakes that buyers make when using this tool. Here are some examples:

    1. Not verifying the vehicle's identity before running the chassis VIN number.
    2. Not checking the vehicle's history report for any discrepancies or errors.
    3. Not using a reputable service provider to obtain the chassis VIN number.
    4. Not reviewing the report carefully to determine the vehicle's history and condition.
    5. Not considering additional services, such as a vehicle inspection report, to further verify the vehicle's condition.
    6. Not using the information to negotiate a fair price or make an informed decision about the vehicle.
    7. Not keeping a record of the chassis VIN number and the report for future reference.

    Cost Breakdown: Chassis VIN Number Services and Fees

    Here is a breakdown of the costs associated with using chassis VIN number services: