Data field · Vehicle

Gross vehicle weight class

The observed, reported, measured, or estimated gross vehicle weight class for a vehicle, on the basis and date stated by the source.

Who carries it ↓
5Data sources
3Providers
4Free to access

Sources that carry it

5 sources
CarsXE
CarsXE Vehicle Specifications API

Commercial VIN-decoding endpoint returning year, make, model, body class, GVWR class bands, and VIN decode error results.

Paid API Unknown 5 fields
National Highway Traffic Safety Admin…
NHTSA Crash Report Sampling System (CRSS) National Files

Annual public-use national probability-sample files for eligible police-reported motor-vehicle traffic crashes. Coordinated crash, vehicle, person, event-sequence, related-factor, weather, vPIC-derived, and auxiliary tables are pinned to the 2024 first final release dated 2026-04-01. CRSS is not a census or arbitrary-event lookup; estimates require its survey-design fields.

Free Full file National US 202 fields
National Highway Traffic Safety Admin…
NHTSA FARS National Files

Annual final national files for every qualifying U.S. fatal motor-vehicle traffic crash, with coordinated crash, vehicle, person, ordered event, circumstance, decoded-vehicle, imputation, and auxiliary tables. Inventory is pinned to 2024 Final and does not claim nonfatal or preliminary coverage.

Free APIFull file Multi-country 237 fields
National Highway Traffic Safety Admin…
NHTSA vPIC API

Free public governmental API that decodes a buyer-supplied VIN and returns manufacturer-submitted vehicle identity and specification fields plus structural decode error codes.

Free APIBatch enrichment National US 6 fields
Chicago Police Department
Traffic Crashes — Vehicles

Daily unit-grain public data for independently moving roadway units involved in CPD crashes, coordinated with Crashes and People through documented record keys.

Free APIFull file Subnational 28 fields

Questions it helps answer

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