Our Data Sources

Official references and authorities we use to maintain accurate tire pressure information

Primary Data Sources

All tire pressure specifications in our database are sourced from official manufacturer documentation and government safety resources. We do not use crowdsourced or unverified data.

Automotive Manufacturers

OEM Technical Documentation

  • • Owner's manuals
  • • Service manuals
  • • Technical service bulletins (TSBs)
  • • Specification sheets
  • • Parts catalogs

Manufacturer Websites

  • • Official brand websites
  • • Owner portals
  • • Dealer technical resources
  • • Service information systems
  • • Recall databases

Brands Covered

Asian Brands

  • Toyota
  • Honda
  • Nissan
  • Mazda
  • Lexus

American Brands

  • Ford
  • Chevrolet
  • Jeep
  • Ram
  • Dodge

German Brands

  • BMW
  • Mercedes-Benz
  • Audi
  • Volkswagen
  • Porsche

European Brands

  • Volvo
  • Peugeot
  • Renault
  • Fiat
  • Citroën

Government & Safety Resources

National Highway Traffic Safety Administration (NHTSA)

Official U.S. government source for vehicle safety information, recalls, and technical specifications.

nhtsa.gov →

Tire and Rim Association

Industry standards organization for tire and wheel specifications in North America.

us-tra.org →

European Tyre and Rim Technical Organisation (ETRTO)

European standards body for tire and rim dimensions and specifications.

etrto.org →

Industry References

  • Society of Automotive Engineers (SAE): Technical standards and specifications
  • Tire Industry Association: Professional tire service standards
  • Rubber Manufacturers Association: Tire safety guidelines
  • International Organization for Standardization (ISO): International tire standards

Verification Process

When adding data to our database, we follow this source hierarchy:

  1. 1.Primary: Vehicle door jamb sticker and owner's manual
  2. 2.Secondary: Manufacturer service manuals and TSBs
  3. 3.Tertiary: Dealer technical information systems
  4. 4.Cross-Reference: NHTSA and industry databases

Educational Resources

We reference these educational sources for our blog content and guides:

  • Tire manufacturer safety guidelines (Michelin, Goodyear, Bridgestone, etc.)
  • Automotive engineering textbooks and technical publications
  • Professional mechanic certification materials (ASE)
  • Vehicle service training programs

⚠️ Important Disclaimer

While we use authoritative sources and verify all data, always consult your vehicle's door jamb sticker or owner's manual as the primary source for tire pressure information. Specifications can vary based on trim level, options, and tire size.

Contributing & Corrections

If you identify incorrect data or have access to verified manufacturer specifications we're missing, please contact us. Include:

  • Vehicle year, make, and model
  • Source of your information (door jamb photo, manual page number, etc.)
  • Correct tire pressure specifications

Trusted by thousands of vehicle owners

Updated continuously with official manufacturer data