Why this won
Resolution is the number on the box and it is almost never the constraint. The constraint is sensor performance at night and how aggressively the camera compresses motion. A 4K dash cam with a small sensor and heavy compression produces a smeared, unusable plate; a well-tuned 2K one reads it cleanly.
The bottom line
Buy the Viofo and put up with the app. Buy the Garmin if you'd rather have something you install once and genuinely never touch.
Sources & evidence
What this verdict is built on. Sample build — these are placeholder references, not real citations.
Low-light plate legibility testing, consumer dash cameras
Automotive electronics review (placeholder)
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