Key takeaways
- Resolution and night performance decide whether number plates are readable.
- Rear cameras record collisions from behind.
- Parking mode needs hardwiring or a battery pack.
In this article
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Buying dash cams goes wrong in predictable ways: paying for features you never use, missing the one spec that matters, or buying just before a big sale. This guide covers what to check, how much to spend, the mistake to avoid and when to buy in the US.
What to check before you buy
- Resolution and night performance decide whether number plates are readable.
- Rear cameras record collisions from behind.
- Parking mode needs hardwiring or a battery pack.
How much to spend
The dash cams we rate range from about $110 (Garmin Dash Cam Mini 2) to about $350 (VIOFO A229 Pro 2CH Dash Cam). A good single-lens dash cam covers most drivers.
The mistake to avoid
Ignoring local rules on mounting and recording.
Our shortlist
If you want to skip the research, these are the dash cams we would buy in the US:
- VIOFO A229 Pro 2CH Dash Cam ($280 – $350) – Check Price on Amazon
- Vantrue N4 Pro 3-Channel Dash Cam ($260 – $330) – Check Price on Amazon
- Garmin Dash Cam Mini 2 ($110 – $130) – Check Price on Amazon
See every pick, with pros and cons, in Best Dash Cams (2026): What to Buy and What to Skip.
When to buy
The deepest discounts usually arrive during the big summer sales in July, the October sales events and Black Friday through Cyber Monday in late November.
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Search dash cams on Amazon See top-rated dash cams on Amazon
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Frequently asked questions
How do I choose the right dash cams?
Resolution and night performance decide whether number plates are readable. Rear cameras record collisions from behind.
How much should I spend on dash cams in the US?
The models we rate range from about $110 to about $350. A good single-lens dash cam covers most drivers.
What is the biggest mistake when buying dash cams?
Ignoring local rules on mounting and recording.
When should I buy dash cams in the US?
The deepest discounts usually arrive during the big summer sales in July, the October sales events and Black Friday through Cyber Monday in late November.