BEST OBDII SCANNERS IN 2025

An in-depth buying guide for the

Best OBDII Scanners in 2025

Written by Alex Carter

Last updated: September 2025

Cars today are more advanced than ever, blending mechanics with powerful onboard computers. While this technology helps vehicles run more efficiently and alerts drivers when something goes wrong, it can also make diagnosing issues more complicated. That’s where an OBDII scanner comes in.

An OBDII scanner connects directly to your car’s diagnostic port and gives you access to real-time information about your vehicle’s health. Instead of relying on a vague dashboard light, these scanners show you what’s really happening — from simple error codes to detailed data on engine performance, emissions, transmission, and more.

In 2025, the market for OBDII scanners has expanded dramatically. There are budget-friendly models that quickly read and clear codes, mid-range tools that add live data and reset functions, and professional-grade scanners that offer bi-directional controls and in-depth diagnostics. With so many options, it’s important to match the right scanner to your needs and experience level.

This guide breaks it all down for you. We’ve reviewed the top scanners available this year, compared their features, and highlighted who each one is best for. Whether you’re a beginner tackling basic maintenance, a DIYer looking to level up your skills, or a pro who needs advanced functions, you’ll find the right tool here to keep your car running smoothly and save money on repairs.

Editor's Pick for 2025

INNOVA

5610 Bidirectional OBDII Scanner

Best Overall in 2025

No Subscriptions

Packed with Advanced Features

Extremely Fast

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The Innova 5610 earns the top spot because it balances professional-level diagnostics with user-friendly design. This scanner goes beyond basic code reading, offering bidirectional controls, ABS and SRS diagnostics, live data streaming, and advanced service resets. It’s ideal for advanced DIYers or mechanics who want accuracy without paying thousands for a shop-grade tool.

‍Why we love it: The 5610’s RepairSolutions2 app integration helps guide users with verified fixes and parts recommendations, making the repair process less intimidating. It’s also backed by Innova’s 30+ years of experience, which adds credibility and long-term trust.

‍Best for: DIYers who want a feature-rich, reliable tool that grows with their skills.

TOPDON

ArtiDiag900 Lite Bidirectional OBDII Scanner

Best Value

Packed With Advanced Features

Wider Vehicle Coverage

Free Updates for First 2 Years

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The Topdon ArtiDiag900 Lite is loaded with functions that appeal to tech-savvy users who want more than just code reading. It offers all-system diagnostics, 28+ service resets, ECU coding, and wide vehicle coverage. This makes it a powerhouse tool for serious home mechanics and semi-professionals.

‍Why we love it: Despite being full of features, the 900 Lite comes at a competitive price compared to many pro-grade scanners. The large touchscreen and intuitive interface make navigating deep menus simple.

‍Best for: DIYers and semi-pros who want maximum features at a fair price.

AUTEL

MK808S Bidirectional OBDII Scanner

Best for Professionals

Most Feature Rich

Covers All Major Systems

Free Updates for First 1 Year

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The Autel MK808S is trusted by professionals for its extensive system coverage and service functions. With capabilities like IMMO key programming, ECU reset, and bi-directional testing, it’s designed for demanding repair environments. The device’s Android-based touchscreen feels modern and makes the interface more accessible than traditional handheld scanners.

‍Why we love it: Autel has a strong reputation in the diagnostic space, and the MK808S builds on that with fast performance and frequent updates. While it’s more expensive than DIY-oriented scanners, professionals consider it a worthwhile investment.

‍Best for: Shops and advanced users who need a tool that can handle complex diagnostics daily.

BLUEDRIVER

Bluetooth Powered OBDII Scanner

Easiest To Use

No Subscriptions

Super Easy To Use

Stable Bluetooth Connection

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The BlueDriver makes vehicle diagnostics accessible to anyone with a smartphone. By connecting via Bluetooth and using its dedicated app, users can read and clear codes, view live data, and receive professional repair reports tailored to their car. It’s perfect for drivers who don’t want to carry around a bulky scanner.

‍Why we love it: The simplicity of scanning directly from your phone, paired with a clean interface, makes it a top choice for beginners. Plus, the ability to email or save reports is handy for tracking issues or sharing with a mechanic.

‍Best for: Everyday drivers and beginners who want fast, app-based diagnostics without a steep learning curve.

ANCEL

AD310 Entry-Level OBDII Scanner

Best for Simple Diagnostics

Affordable

Basic Code Read/Clear

No Subscriptions

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The Ancel AD310 is a no-frills scanner that nails the basics. It reads and clears error codes, provides live data, and works with most OBD2-compatible vehicles. While it doesn’t include advanced features like resets or coding, its affordability and simplicity make it a must-have entry-level tool.

‍Why we love it: It’s compact, easy to use, and costs less than a trip to the mechanic just to check a code. For quick at-home troubleshooting, the AD310 is dependable and user-friendly.

‍Best for: Budget-conscious beginners who want a reliable, straightforward tool for simple diagnostics.

Key Features to Look for in an OBD2 Scanner

Not all OBD2 scanners are built the same. Before you choose one, it’s important to understand the features that matter most for your needs. Here are the essentials:

• Code Reading & Clearing – Every scanner should read and clear basic trouble codes. This is the starting point for diagnosing issues.

• Live Data – Advanced scanners display real-time sensor information, helping you pinpoint problems more accurately.

• System Coverage – Some scanners only cover the engine, while others read ABS, SRS, transmission, and more. Wider coverage means deeper insights.

• Bidirectional Control – Higher-end tools let you send commands (like testing components or resetting systems), not just read codes.

• Reset Functions – Look for oil reset, ABS bleeding, battery registration, or other service resets depending on your vehicle needs.

• Vehicle Compatibility – Always check if the scanner supports your car’s make, model, and year.

Choosing a scanner with the right mix of these features ensures you get the best value and performance for your situation.

Do You Really Need an OBD2 Scanner?

For many drivers, the “check engine” light can feel like a mystery. An OBD2 scanner takes away the guesswork by showing exactly what’s going on. But do you really need one?

• Yes, if you’re a DIYer. These tools save money by letting you diagnose problems at home instead of paying for a shop to do a simple code scan.

• Yes, if you own multiple vehicles. A scanner pays for itself quickly when you maintain more than one car.

• Yes, if you want peace of mind. Even beginners can use a basic scanner to understand why a warning light is on.

• Maybe not, if you only visit a mechanic. If you never plan to do your own diagnostics or repairs, you may not use an advanced scanner often.

Ultimately, an OBD2 scanner is one of the most useful tools for car owners in 2025. Whether you invest in a simple budget option or a professional-grade device, it gives you control, clarity, and confidence every time you see a dashboard light.

Key Takeaways

• Best Overall – Innova 5610 Bidirectional OBD2 Scanner

• Best for Value – TopDon ArtiDiag900 Lite Bidirectional OBD2 Scanner

• Best for Professionals – Autel MK808S Bidirectional OBD2 Scanner

• Easiest To Use – Bluedriver Bluetooth OBD2 Scanner

• Best for Simple Diagnostics – Ancel AD310 Basic OBD2 Scanner

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