5 Best OBD-II scanners for Porsche
From my testing with Porsche vehicles, I’ve found that most universal OBD2 scanners only read the engine and miss important systems like PDK transmission, ABS, or air suspension. To really diagnose or code a Porsche, you need a tool that supports Porsche-specific protocols and advanced functions. These are the best scanners that give you near dealer-level access similar to the PIWIS system.
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PIW PT4G+3 Tester
The PIWIS PT4G+3 is the official Porsche diagnostic system used by dealerships. It provides full access to every control unit, including coding, programming, adaptations, and even module flashing. It runs on a Windows laptop with the included VCI interface and is the best choice for professional or advanced users who want full OEM capabilities.
Mucar 892BT
The Mucar 892BT is a full-system bi-directional scan tool with the fastest scan speed I’ve tested so far. It supports ECU coding, service resets, and comes with free lifetime updates. Works great on Porsche and all other major brands.
(10% OFF with “CARHACKER” on official website)
Foxwell NT710 Porsche
The Foxwell NT710 Porsche is a dedicated Porsche scanner that gives you full-system access, bi-directional testing, and service resets. It’s compact, easy to use, and perfect for Porsche owners who want dealer-level coverage without needing a laptop. Includes free lifetime updates.
Mucar 682
Mucar 682 is the most affordable bi-directional scanner with full-system diagnostics and 20+ service functions. It’s a great entry-level tool for Porsche owners who want to read all systems and perform service resets with free lifetime updates.
(10% OFF with “CARHACKER” on official website)
XTool D8s
Xtool D8s is one of my favorite advanced scanners for Porsche diagnostics. It features topology mapping, 42+ service functions, key programming, and mileage correction. Ideal for workshops or enthusiasts who need advanced testing and coding. Comes with 3 years of free updates.
(10% OFF with “CARHACKER” on official website)
My insights after testing 100+ OBD2 tools
I’ve tested literally hundreds of OBD2 scanners, so let me tell you why I find these the best value for money.
?️ Best OBD2 Scanners for Porsche (2025)
| Scanner | Best For | Porsche Coding | Bi-Directional Tests | Works on All Brands | Updates | Platform / Type | Price Range |
|---|---|---|---|---|---|---|---|
| PIWIS PT4G+3 Tester | OEM-level access & programming | ✅ Full OEM coding/programming | ✅ | ❌ Porsche only | ⚠️ OEM subscription / varies | Windows laptop / USB | ??? |
| Mucar 892BT | Fastest all-round tool with coding | ✅ ECU coding | ✅ | ✅ | ✅ Lifetime | Android tablet / Bluetooth | ??? |
| Foxwell NT710 Porsche | One-brand handheld with full features | ✅ Basic coding | ✅ | ❌ Porsche only | ✅ Lifetime | Handheld / wired | ?? |
| Mucar 682 | Most affordable bi-directional | ⚠️ Basic or none | ✅ | ✅ | ✅ Lifetime | Handheld / Bluetooth | ?? |
| XTool D8S | Advanced users & workshops | ✅ ECU coding & key programming | ✅ | ✅ | ⚠️ 3 Years Free | Android tablet / wired | ??? |
✅ Legend:
? = Budget ?? = Mid-range ??? = Professional
✅ = Fully supported ⚠️ = Partially supported or varies ❌ = Not supported
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I constantly test new OBD-II scanners to give you the best options possible. Here is a full list of the best tools in all categories currently.
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