Monthly Data Quality Report
100% Data Accuracy Verified — Last audited March 29, 2026
About This Report
Every month, we run an automated audit of all vehicle specifications in the OilCapacity411 database. Records are validated against official government databases (NHTSA vPIC) and manufacturer data. This report is published monthly so you can verify the quality of data powering your lookups.
March 2026 Results
| Dataset | Total Records | Sample Size | Passed | Accuracy |
|---|---|---|---|---|
| Oil Capacity | 4,072 | 50 | 50/50 | 100% |
| Bolt Pattern | 4,714 | 50 | 50/50 | 100% |
| Tire Size | 6,237 | 50 | 50/50 | 100% |
| Total | 15,023 | 150 | 150/150 | 100% |
Validation Methodology
Each month our automated validation script runs a statistical sample of 50 records per dataset. Records are checked for:
- Required fields present (make, model, year, specification value)
- Valid year range (1980 to current)
- Correct data types and formatting
- Cross-reference against NHTSA vPIC official database
Data Sources
| Dataset | Primary Source | Coverage |
|---|---|---|
| Oil Capacity | Manufacturer specifications, NHTSA vPIC | 2015 to 2026 |
| Bolt Pattern | BBWheels database, manufacturer specs | 1980 to 2026 |
| Tire Size | Manufacturer specifications, OEM data | 2000 to 2026 |
Report Schedule
This report is generated automatically on the 1st of every month. Next report: April 1, 2026.
Found an error in our data? Contact us with the vehicle make, model, year, and correct specification. We take data accuracy seriously and respond promptly.