A standardized XML data format designed to enable real-time communication of vehicle inventory, pricing, and customer lead data between automotive dealers, OEM systems, and third-party vendors in the automotive ecosystem. Developed and maintained by the National Automobile Dealers Association in collaboration with the Auto Industry Action Group, ADF serves as a common language for data exchange across dealership management systems (DMS), CRM platforms, inventory systems, and digital marketing tools.
What ADF Does
At its core, ADF facilitates three primary data flows:
- Vehicle inventory syndication (listing available vehicles with attributes like VIN, mileage, trim, features, and pricing)
- Customer lead routing (capturing inquiry data from websites, landing pages, and third-party portals and delivering it to dealership systems)
- Service request handling (appointment scheduling and service history tracking).
Rather than building custom integrations between dozens of disparate systems, dealerships implement ADF as a plug-and-play standard, allowing vendors to publish or consume vehicle and customer data in a predictable, parseable format.
The format uses XML markup to structure automotive-specific entities. A typical ADF inventory transmission includes VIN, exterior and interior colors, mileage, transmission type, fuel type, MSRP, and extended attributes like installed options, warranty information, and photographic URLs. Lead transactions encapsulate prospect contact information, vehicle of interest, communication preferences, and lead source attribution. This standardization eliminates the data-mapping friction that otherwise forces dealerships into manual reconciliation workflows or custom API development.
Why ADF Matters in Automotive Martech
ADF has become foundational infrastructure for automotive digital marketing and remarketing workflows. When a dealership’s DMS natively exports ADF inventory feeds, marketing platforms can ingest those feeds to automatically populate website product pages, serve dynamic display ads across programmatic channels, and synchronize vehicle listings across third-party marketplaces without manual data entry or custom ETL pipelines.
From a lead management perspective, ADF enables real-time lead delivery. When a prospect submits an inquiry through a dealer’s website, a CRM or marketing automation platform can generate an ADF lead XML message and transmit it to the DMS, triggering immediate follow-up workflows, inventory-based assignment routing, and CRM logging—all without human intervention or custom API development. This tight coupling between front-end digital experience and back-end sales operations reduces lead response time and prevents dropped opportunities.
For remarketing and customer data platforms, ADF inventory feeds allow platforms to correlate customer interactions (web visits, ad clicks, email engagement) with specific vehicles, enabling more granular audience segmentation and personalized messaging at scale.
Technical Structure and Adoption
ADF documents are XML-based and follow a defined schema that includes vehicle records (<Vehicle> elements), dealer information (<Dealer>), and lead transactions (<Lead> elements). Most modern DMS platforms (Reynolds, CDK, Dominion, Lightspeed, etc.) support native ADF export, either via direct file output or HTTP endpoint. Vendors typically consume ADF via polling (periodic file downloads) or push (webhook-based delivery).
Sample ADF
<?xml version="1.0" encoding="UTF-8"?>
<ADF>
<!-- DEALER INFORMATION SECTION -->
<Dealer>
<DealerID>12345</DealerID>
<DealerName>Sunset Motors Group</DealerName>
<Address>
<Street>4821 Commerce Drive</Street>
<City>Orlando</City>
<State>FL</State>
<PostalCode>32801</PostalCode>
<Country>USA</Country>
</Address>
<Phone>
<PhoneNumber type="main">407-555-0123</PhoneNumber>
<PhoneNumber type="sales">407-555-0124</PhoneNumber>
<PhoneNumber type="service">407-555-0125</PhoneNumber>
</Phone>
<Email>
<EmailAddress type="general">info@sunsetmotors.com</EmailAddress>
<EmailAddress type="sales">sales@sunsetmotors.com</EmailAddress>
</Email>
<Website>https://www.sunsetmotors.com</Website>
</Dealer>
<!-- VEHICLE INVENTORY RECORD -->
<Vehicle>
<VehicleID>98765</VehicleID>
<VIN>1HGCV1F32LA123456</VIN>
<ModelYear>2023</ModelYear>
<Make>Honda</Make>
<Model>Accord</Model>
<Trim>EX-L</Trim>
<BodyStyle>Sedan</BodyStyle>
<Transmission>Automatic</Transmission>
<Engine>
<Size>2.0L</Size>
<Type>Inline 4-Cylinder</Type>
<Displacement>1997</Displacement>
<FuelType>Gasoline</FuelType>
</Engine>
<Drivetrain>Front-Wheel Drive</Drivetrain>
<Mileage>
<Odometer>15847</Odometer>
<OdometerUnit>miles</OdometerUnit>
</Mileage>
<ExteriorColor>
<ColorName>Pearl Blue Metallic</ColorName>
<RGBCode>#004B87</RGBCode>
</ExteriorColor>
<InteriorColor>
<ColorName>Black</ColorName>
</InteriorColor>
<Upholstery>Leather</Upholstery>
<MPG>
<City>28</City>
<Highway>37</Highway>
<Combined>32</Combined>
</MPG>
<Options>
<Option>Sunroof</Option>
<Option>Leather Heated Seats</Option>
<Option>Apple CarPlay</Option>
<Option>Android Auto</Option>
<Option>Adaptive Cruise Control</Option>
<Option>Lane Keeping Assist</Option>
<Option>Backup Camera</Option>
<Option>Blind Spot Monitor</Option>
<Option>Premium Audio System</Option>
<Option>Navigation System</Option>
</Options>
<Pricing>
<MSRP>35500</MSRP>
<SalePrice>32995</SalePrice>
<CurrencyCode>USD</CurrencyCode>
</Pricing>
<Warranty>
<WarrantyDescription>3 Years / 36,000 Miles Basic</WarrantyDescription>
<PowertrainWarranty>5 Years / 60,000 Miles</PowertrainWarranty>
</Warranty>
<Status>Active</Status>
<StockNumber>ACC-2023-0847</StockNumber>
<Description>Stunning Pearl Blue 2023 Honda Accord EX-L with premium leather, sunroof, and full suite of Honda Sensing safety features. Immaculate condition, meticulously maintained service records available.</Description>
<PhotoUrls>
<PhotoUrl>
<URL>https://images.sunsetmotors.com/vehicles/ACC-2023-0847-01.jpg</URL>
<Position>1</Position>
</PhotoUrl>
<PhotoUrl>
<URL>https://images.sunsetmotors.com/vehicles/ACC-2023-0847-02.jpg</URL>
<Position>2</Position>
</PhotoUrl>
<PhotoUrl>
<URL>https://images.sunsetmotors.com/vehicles/ACC-2023-0847-03.jpg</URL>
<Position>3</Position>
</PhotoUrl>
</PhotoUrls>
<DateAdded>2024-06-15T14:32:00</DateAdded>
<LastModified>2024-07-03T09:15:00</LastModified>
</Vehicle>
<!-- CUSTOMER LEAD RECORD -->
<Lead>
<LeadID>LEAD-2024-087543</LeadID>
<LeadSource>Website Contact Form</LeadSource>
<LeadSourceURL>https://www.sunsetmotors.com/vehicles/ACC-2023-0847</LeadSourceURL>
<Customer>
<FirstName>Sarah</FirstName>
<LastName>Johnson</LastName>
<Email>sarah.johnson@email.com</Email>
<Phone>407-555-9876</Phone>
<PreferredContact>Email</PreferredContact>
<TimeZone>Eastern</TimeZone>
</Customer>
<VehicleOfInterest>
<VIN>1HGCV1F32LA123456</VIN>
<StockNumber>ACC-2023-0847</StockNumber>
<Make>Honda</Make>
<Model>Accord</Model>
<ModelYear>2023</ModelYear>
</VehicleOfInterest>
<LeadType>Inventory</LeadType>
<Comments>Interested in scheduling a test drive this weekend. Also inquired about trade-in value for current vehicle (2019 Toyota Camry)</Comments>
<RequestedFollowUp>
<ContactMethod>Phone</ContactMethod>
<PreferredTime>Evening</PreferredTime>
<TimeZone>Eastern</TimeZone>
</RequestedFollowUp>
<DateReceived>2024-07-07T16:45:23</DateReceived>
<Timestamp>2024-07-07T16:45:23Z</Timestamp>
</Lead>
<!-- ALTERNATIVE VEHICLE EXAMPLE (USED) -->
<Vehicle>
<VehicleID>98766</VehicleID>
<VIN>2T1FB1E31DC123789</VIN>
<ModelYear>2022</ModelYear>
<Make>Toyota</Make>
<Model>Camry</Model>
<Trim>LE</Trim>
<BodyStyle>Sedan</BodyStyle>
<Transmission>Automatic</Transmission>
<Mileage>
<Odometer>28564</Odometer>
<OdometerUnit>miles</OdometerUnit>
</Mileage>
<ExteriorColor>
<ColorName>Silver</ColorName>
</ExteriorColor>
<InteriorColor>
<ColorName>Gray</ColorName>
</InteriorColor>
<Upholstery>Cloth</Upholstery>
<Pricing>
<MSRP>25200</MSRP>
<SalePrice>24495</SalePrice>
<CurrencyCode>USD</CurrencyCode>
</Pricing>
<Status>Active</Status>
<StockNumber>CAM-2022-0412</StockNumber>
<Condition>Used - Certified Pre-Owned</Condition>
<Description>Well-maintained 2022 Toyota Camry LE with 28K miles. Single owner, comprehensive service history, and Toyota CPO warranty.</Description>
<DateAdded>2024-07-01T10:15:00</DateAdded>
</Vehicle>
</ADF>Despite its age—ADF was first standardized in the early 2000s—adoption remains widespread but fragmented. While enterprise dealership groups and larger DMS implementations reliably produce valid ADF, smaller independent dealers and legacy systems may produce malformed or incomplete ADF feeds, creating data quality challenges for downstream consumers.
Current Limitations and Evolution
ADF was designed for a different era of automotive retail and has architectural constraints that modern martech ecosystems increasingly encounter. The format lacks built-in support for real-time event streaming, semantic field metadata (which makes it difficult for consumers to understand what a given attribute means across different vendors), or automotive-specific identifiers beyond the VIN (such as dealer SKUs or proprietary inventory systems). File-based or HTTP polling mechanisms also introduce latency compared to event-driven architectures used in contemporary marketing platforms.
Newer competitors and extensions—including dealer-specific proprietary APIs, JSON variants of automotive data schemas, and emerging standards such as the Semantic Automotive Metadata Layer (SAML)—are gradually replacing ADF for real-time, high-volume integrations within sophisticated dealership groups. However, ADF remains the baseline expectation for vendor interoperability and will likely persist as a fallback or legacy channel for years to come.
Practical Martech Implications
For marketing technologists working in or serving the automotive vertical, understanding ADF is essential. When evaluating DMS platforms, vendor integrations, or CRM solutions, ADF capability (export/import quality, latency, error handling) is a key integration criterion. When building custom automotive marketing stacks, designing around native ADF consumption rather than custom API parsing reduces vendor lock-in and accelerates go-to-market.
ADF also serves as a diagnostic lens: if vehicle inventory isn’t syncing between a DMS and a marketing platform, or lead routing is failing, the issue often traces back to a malformed ADF feed, schema mismatch, or vendor-specific attribute mapping. Martech practitioners supporting dealership clients benefit from basic ADF literacy when troubleshooting data quality issues or auditing system integrations.