10 Best Car Scanners 2025 in the United States

The THINKCAR Bidirectional Scan Tool 689BT is a powerful diagnostic device suitable for both DIY enthusiasts and professional mechanics. It stands out with broad vehicle compatibility, covering over 140 brands worldwide, including passenger cars, pickups, hybrids, and SUVs. It offers full system diagnostics with OE-level access, allowing you to read and clear fault codes from engine, transmission, brakes, TPMS, battery, and more. One of its key strengths is the extensive functionality including 34+ service functions like oil reset, ABS bleeding, and injector coding, plus advanced features like ECU coding and bi-directional controls for active testing of vehicle components. This can greatly speed up troubleshooting and repairs.

The device runs on an Android 10 platform with a responsive 8-inch touchscreen and a quad-core processor, making the user interface smooth and intuitive. Wireless updates are free and easy to install, helping the tool stay current with new vehicles and functions without extra costs. Connectivity options include CAN FD and DoIP protocols, enabling faster communication with vehicle systems, and it supports FCA AutoAuth for certain FCA models, though this requires a separate FCA account and fee. Data logging is robust, with real-time sensor data displayed in multiple formats and saved as reports, aiding in detailed analysis and record-keeping.

There are a few drawbacks: the product may sometimes be received as a used device through resellers like Amazon, which could be inconvenient, though exchange is possible. Also, some advanced coding features depend on vehicle make and year, meaning not all functions will work on every car. Additionally, FCA diagnostics require an extra membership. The THINKCAR 689BT offers excellent value with professional-grade features, fast performance, and no subscription fees, making it a smart choice for a versatile and up-to-date scanner compatible with a wide range of vehicles.

The Autel Scanner MaxiCOM MK900BT is a powerful car diagnostic tool with impressive features designed for automotive professionals. It offers extensive compatibility, supporting over 150 car brands from 1996 to 2025, making it suitable for a wide range of vehicles. The functionality is enhanced with over 3000 active tests and 40+ maintenance services, allowing thorough diagnostics and servicing, which is a significant upgrade compared to previous models like the MK808S and MX900.

The user interface is user-friendly with a large 8-inch display and a high resolution of 1280x800, making it easier to navigate and operate. Connectivity is robust with wireless options, CAN FD & DOIP protocols, and WiFi printing, providing convenience and eliminating the need for cables. Updates and support are reliable, with a year's worth of free software updates and a comprehensive warranty.

The advanced features, such as battery testing, endoscope functionality, and FCA AutoAuth, are particularly suited for professional use. Data logging and storage capabilities are excellent, leveraging cloud server support to ensure no loss of diagnostic data. The Autel Scanner MaxiCOM MK900BT is ideal for automotive technicians and workshops that require detailed and advanced diagnostic tools.

The Autel Scanner MaxiCOM MK808S is a comprehensive diagnostic tool designed for vehicle owners and automotive professionals alike. One of its standout features is the newly released bi-directional control, which allows users to perform active tests on various car subsystems. This is particularly helpful for checking the functionality of components like windows and mirrors, making it very user-friendly for those who want hands-on diagnostics. With support for over 150 car brands and 28 popular reset services, it’s clear that the MK808S aims to cater to a wide range of vehicles, enhancing its versatility.

The user interface is straightforward, thanks to the 7-inch LCD touchscreen operating on Android 11. This ensures that even those who aren't tech-savvy can navigate through functions with relative ease. Its AutoVIN and AutoScan features streamline the process of identifying vehicle information and fault codes, improving efficiency during diagnostics.

While the MK808S is rich in features, potential users should be aware of a few limitations. Although it offers access to many functions without ongoing subscription fees, some advanced features may require updates or additional costs. Additionally, while it performs all-system diagnostics effectively, some users may find it lacking in extremely specialized diagnostic capabilities compared to higher-end models. Lastly, Autel does provide a solid support system with a one-year warranty, 12 months of free updates, and lifetime technical assistance, which is reassuring for buyers. The Autel Scanner MaxiCOM MK808S represents a strong choice for those needing a reliable and affordable diagnostic scanner, especially for DIY enthusiasts and small auto repair businesses.