Key takeaways
- Check compatibility with your car's make and model.
- Bluetooth scanners show live data on your phone.
- Code explanations help non-mechanics.
In this article
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Before you spend money on OBD2 scanners, it helps to know which specs actually change how you use them every day. Here is our short, practical checklist for buying OBD2 scanners in the US.
What to check before you buy
- Check compatibility with your car's make and model.
- Bluetooth scanners show live data on your phone.
- Code explanations help non-mechanics.
How much to spend
The OBD2 scanners we rate range from about $20 (ANCEL AD310 Classic Enhanced Universal OBD II Scanner) to about $450 (Autel MaxiCOM MK808S). Basic code readers are cheap and useful.
The mistake to avoid
Clearing warning codes without fixing the cause.
Our shortlist
If you want to skip the research, these are the OBD2 scanners we would buy in the US:
- BlueDriver Bluetooth Pro OBDII Scan Tool ($100 – $120) – Check Price on Amazon
- Autel MaxiCOM MK808S ($350 – $450) – Check Price on Amazon
- FOXWELL NT301 OBD2 Scanner ($50 – $70) – Check Price on Amazon
See every pick, with pros and cons, in Best OBD2 Scanners (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.
Compare more options
Search OBD2 scanners on Amazon See top-rated OBD2 scanners on Amazon
Related reading
Frequently asked questions
How do I choose the right OBD2 scanners?
Check compatibility with your car's make and model. Bluetooth scanners show live data on your phone.
How much should I spend on OBD2 scanners in the US?
The models we rate range from about $20 to about $450. Basic code readers are cheap and useful.
What is the biggest mistake when buying OBD2 scanners?
Clearing warning codes without fixing the cause.
When should I buy OBD2 scanners 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.