Independent testing
How much independent testing exists for each dash cam
Of the 11 dash cams we track, 4 have been physically measured by at least one independent lab and 1 by three or more. Below is every one, ordered by how much independent hands-on evidence stands behind it — densest first.
A coverage record, not a ranking of which is best.
| Product | Independent labs | Metrics measured | Outlets on record |
|---|---|---|---|
| Nextbase iQ | 3 | 4 | 3 |
| 70mai Dash Cam 4K A810 | 1 | 2 | 2 |
| Vantrue N4 Pro | 1 | 2 | 1 |
| Garmin Dash Cam 67W | 1 | 1 | 1 |
| 70mai Dash Cam 4K Omni | 0 | 0 | 1 |
| Garmin Dash Cam Mini 2 | 0 | 0 | 3 |
| Garmin Dash Cam Tandem | 0 | 0 | 2 |
| Nextbase 322GW | 0 | 0 | 1 |
| Nextbase 622GW | 0 | 0 | 2 |
| Thinkware U3000 | 0 | 0 | 1 |
| VIOFO A229 Pro 3CH | 0 | 0 | 1 |
Each figure is a count of what independent testers actually did — how we count. A low count means little independent evidence has been gathered yet, never that a product is worse. See also the Dash Cams buying guide and the reviewers we cite.