Top 10 Best OBD Scanners of 2025

Reads and clears diagnostic trouble codes using Bluetooth for quick vehicle issue resolution.
Streams live data via app, displaying real-time engine parameters on smartphones.
Measures performance metrics like horsepower, torque, and 0-60 mph for enthusiasts.
Provides maintenance schedules, reminders through app for timely vehicle upkeep tasks.
Connects wirelessly via Bluetooth 5.0, compatible with iOS and Android devices.
Includes repair guides in app, assisting users with detailed troubleshooting steps.
Supports predictive diagnostics, alerting users to potential issues before they occur.
Compact 3.3-inch design, lightweight at 2.8 ounces, easy to carry daily.
Large transmitter size at 3.3 inches may obstruct vehicle OBD-II port access.

Reads, clears diagnostic codes via 2.8-inch LCD for efficient engine troubleshooting.
Displays graphical live data, monitoring real-time vehicle parameters with clear visuals.
Offers one-click I/M readiness, checking emission compliance for 1996+ vehicles easily.
Tests O2 sensors, EVAP systems, ensuring comprehensive emission diagnostics with accuracy.
Supports KWP2000, ISO9141, CAN protocols, compatible with most OBD-II vehicles.
Provides lifetime software updates via PC, keeping 9.6-ounce scanner current.
Compact 5.7-inch design with 1-year warranty, portable for daily diagnostics.
Retrieves VIN, CIN, CVN data, aiding vehicle identification during inspections.
No Bluetooth connectivity in 5.7-inch device, requiring direct OBD-II cable use.

Performs advanced diagnostics, reading codes via 8-inch touchscreen for professional use.
Supports active tests, injector coding on 2.6-pound scanner for ECU programming.
Streams live data wirelessly, displaying real-time metrics on 9.8-inch device screen.
Includes adapters, carrying case, enhancing portability for heavy-duty truck diagnostics.
Connects via Wi-Fi, Bluetooth, ensuring flexible operation with ISO15765-4 protocols.
Offers lifetime software updates, keeping 8-inch touchscreen scanner current, reliable.
Compatible with 1996+ OBD-II vehicles, including trucks, with 2-year warranty.
Provides repair guides, maintenance tips through app for 9.8-inch scanner users.
Large 9.8-inch, 2.6-pound design reduces portability compared to smaller OBD scanners.
Requires subscription after two years for full functionality on 8-inch device.

Reads, clears engine, ABS, SRS codes via 2-inch LCD or Bluetooth.
Functions as heads-up display, showing live data on 5.6-ounce scanner dashboard.
Streams real-time data via Bluetooth, compatible with iOS, Android for diagnostics.
Supports I/M readiness, emission tests on 4.7-inch device with CAN protocols.
Includes heater vent mount, enabling dashboard use for 1996+ vehicles.
Offers lifetime updates, ensuring 2-inch LCD scanner remains current, reliable.
Retrieves VIN data, aiding inspections with 1-year warranty on 5.6-ounce device.
Compact 4.7-inch design, switchable between wired, wireless modes for flexibility.
Small 2-inch LCD screen reduces readability in bright light for users.
Minimalist interface on 4.7-inch scanner may confuse beginners during operation.

Reads, clears diagnostic codes via Bluetooth 4.0, compatible with 1996+ vehicles.
Streams live data through apps, monitoring real-time parameters on smartphones.
Supports Car Scanner, Torque Pro apps, enhancing 2.1-ounce scanner functionality.
Performs I/M readiness, emission tests with ISO15765-4 protocols for compliance.
Enables vehicle coding for BMW, VW on 2.4-inch compact device.
Connects to iOS, Android, Windows, ensuring broad 1-year warranty usability.
Compact 2.4-inch, 2.1-ounce design, low power consumption for daily diagnostics.
Tests O2 sensors, EVAP systems, retrieving VIN via app-based interface.
Requires paid third-party apps for advanced features on 2.4-inch scanner.
No built-in display, relying on smartphone for 2.1-ounce device operation.

Reads, clears diagnostic codes via Bluetooth, supporting 1996+ vehicles with app.
Streams live data through app, displaying real-time metrics for 2.0-ounce scanner.
Provides predictive diagnostics, alerting users to issues on 2.5-inch device.
Offers step-by-step repair instructions via app, aiding troubleshooting with CAN protocols.
Supports I/M readiness, emission checks for compliance on 1-year warranty scanner.
Connects to iOS, Android, ensuring easy setup for 2.5-inch compact device.
Includes lifetime updates, keeping 2.0-ounce Bluetooth scanner current and reliable.
Compact 2.5-inch design, portable for daily diagnostics with KWP2000 support.
Limited advanced features like coding on 2.5-inch scanner compared to competitors.
May require subscription after first year for full 2.0-ounce device functionality.

Reads manufacturer-specific codes via Bluetooth, enhancing diagnostics for 3.2-ounce scanner.
Streams live data, freeze frame via app, monitoring 1996+ vehicle metrics.
Includes built-in multimeter, testing electrical systems on 3.0-inch device accurately.
Supports active tests, deep diagnostics with ISO15765-4 protocols for professionals.
Connects to iOS, Android, ensuring usability for 1-year warranty scanner.
Offers lifetime updates, keeping 3.0-inch Bluetooth device current with CAN support.
Compact 3.0-inch design, durable for daily use with 3.2-ounce weight.
Performs I/M readiness, emission tests, retrieving VIN for 1996+ vehicles.
Requires subscription after first year for full features on 3.0-inch scanner.
Occasional Bluetooth connectivity issues reported on 3.2-ounce device during use.

Reads, clears engine, ABS, SRS codes via 2.8-inch LCD for diagnostics.
Includes multimeter, testing battery, charging systems on 6.7-inch scanner accurately.
Displays live data, emission readiness on 10.6-ounce device with CAN protocols.
Supports I/M readiness, pre-inspection checks for 1996+ vehicles with warranty.
Offers lifetime updates, ensuring 2.8-inch color LCD scanner remains current.
Features rubberized case, enhancing durability for 6.7-inch, 1-year warranty device.
Provides multilingual support, aiding global use on 10.6-ounce OBD-II scanner.
Retrieves VIN, diagnostic data via KWP2000 protocols for 2.8-inch display.
Lacks bi-directional control, limiting advanced diagnostics on 6.7-inch scanner.
Bulky 10.6-ounce, 6.7-inch design less portable than smaller OBD-II scanners.

Reads, clears engine, ABS, TPMS codes via Bluetooth for 1996+ vehicles.
Streams live data via app, customizable for 2.2-inch, 2.0-ounce scanner.
Provides repair instructions, troubleshooting steps through app with ISO15765-4 protocols.
Supports I/M readiness, emission checks on 1-year warranty Bluetooth device.
Connects to iOS, Android, ensuring usability for 2.2-inch compact scanner.
Offers lifetime updates, keeping 2.0-ounce device current with CAN support.
Compact 2.2-inch design, portable for daily diagnostics with 1996+ compatibility.
Reads airbag codes, enhancing diagnostics for 2.2-inch, app-based OBD scanner.
Slow live data refresh limits real-time monitoring on 2.0-ounce scanner.
Advanced features require subscription after first year on 2.2-inch device.

Reads, clears engine, ABS, TPMS codes via Bluetooth for 1996+ vehicles.
Streams live data via app, monitoring metrics on 2.0-inch, 1.1-ounce scanner.
Provides trip stats, performance data for 1996+ vehicles with CAN protocols.
Supports I/M readiness, emission checks on 3-year warranty Bluetooth device.
Connects to iOS, Android, ensuring usability for 2.0-inch compact scanner.
Offers lifetime updates, keeping 1.1-ounce device current with ISO15765-4 support.
Reads airbag codes, enhancing diagnostics for 2.0-inch, app-based OBD scanner.
Compact 2.0-inch design, lightweight at 1.1 ounces, portable for diagnostics.
Live data hard to monitor while driving on 1.1-ounce scanner app.
Requires cell data, Wi-Fi for some features on 2.0-inch device.