How often is ASTRA vehicle data updated?
Last verified: 2026-06-20
ASTRA publishes the individual open data products at different cadences — depending on how frequently the underlying data change.
| Product | Cadence |
|---|---|
| Type approvals G3 (TARGA base data, emissions, consumption) | Weekly |
| eDatenblatt (G4 / eCoC) | Monthly |
| Vehicle stock (BEST) | Monthly |
| New registrations (NEUZU) | Monthly |
| Stammnummern with CO₂ data (STNR) | Daily |
| G1/G2 PDF archives | Frozen (no updates) |
The G1 and G2 data are historical archives without new entries; G3 and G4 are continuously supplemented and corrected.
Sources
- FAQ – Vehicle data information products — ASTRA – Federal Roads Office
- Open data – ASTRA vehicle data (ivzod portal) — ASTRA / opendata.astra.admin.ch