Vehicle Data & Methodology

CarScout aggregates data from federal government agencies and nationwide dealer networks to provide transparent, verifiable used car market intelligence. This page documents our sources, methodology, and update schedule.

Data Sources & Methodology

Three primary data sources feed into every CarScout vehicle page.

NHTSA

National Highway Traffic Safety Administration

Federal agency responsible for vehicle safety. CarScout compiles recall notices, consumer complaints, and investigation data to provide safety information for every covered vehicle.

Safety recall campaigns with affected VIN ranges
Consumer complaints (crash, fire, injury, fatality counts)
Defect investigations and technical service bulletins

Update frequency: Daily sync from NHTSA public APIs

EPA

Environmental Protection Agency

Federal agency that tests and publishes fuel economy data for all vehicles sold in the United States. CarScout uses EPA data to provide fuel cost estimates and efficiency comparisons.

Combined, city, and highway MPG ratings
Annual fuel cost estimates
Engine displacement, cylinder count, transmission type
CO2 emissions and smog ratings

Update frequency: Annual release with model year updates

Dealer Networks

Nationwide Dealer Inventory

CarScout aggregates listing data from dealer inventories across all 50 states to calculate real-time market pricing, availability trends, and regional price variation.

Asking prices from active dealer listings
Mileage distribution and vehicle condition
Geographic availability by state and region
Listing velocity (days on market)

Update frequency: Weekly for popular vehicles, monthly for others

Coverage

Current scope of the CarScout dataset.

1,163

Vehicle Models

2000 to 2026

Model Years

50 States

Geographic Coverage

Weekly / Monthly

Update Cadence

Update Schedule

How data flows from source to publication.

1
Source Collection
Data is collected from NHTSA and EPA public APIs. Dealer inventory is sourced from nationwide listing networks.
2
Verification & Standardization
Records are checked for accuracy, duplicate entries are removed, and data from different sources is standardized into a common format. Vehicles are matched across sources by make, model, and year.
3
Storage
Processed records are stored in a structured database with full audit history. Snapshots preserve historical pricing trends.
4
Publication
Vehicle pages are updated with the latest data automatically. Chart images are generated for embedding and citation.

Citation Guide

Use any of the following formats when citing CarScout data. Replace bracketed placeholders with actual values.

APA

CarScout. (2026). [Page title]. Retrieved from [URL]

MLA

"[Page title]." CarScout, [date], [URL].

BibTeX

@misc{carscout2026,
  author = {CarScout},
  title  = {[Page title]},
  year   = {2026},
  url    = {[URL]},
  note   = {Accessed: [date]}
}

License

How you may use CarScout data and images.

Chart Images

All chart images generated by CarScout are licensed under Creative Commons Attribution 4.0 International (CC BY 4.0). You are free to share and adapt these images for any purpose, including commercial use, provided you give appropriate credit.

Data Compilations

Factual data compilations (pricing statistics, recall counts, fuel economy figures) are free to cite with attribution. Link back to the source page on CarScout when possible.

Attribution Format

When attributing, use: "Source: CarScout (usecarscout.com)" or include a direct link to the relevant page.

Explore Our Data

Tools and pages built on the datasets described above.