2026/09/02

Keydiy KD-X6 and KD-X4 Comparison

The new Keydiy KD-X6 tablet key programmer is expected to arrive in December 2026. It is available for pre-order now.

What is the difference between Keydiy KD-X4 and new KD-X6 tablet?

KD-X4 vs KD-X6

ModelKeydiy KD-X6

 

 

Keydiy KD-X4

 

Appearancekeydiy kd-x6keydiy kd-x4
Price$1,500-$2,200USD$680
Mercedes-Benz Functions Built-in Mercedes-Benz FBS3 support for full series addition, as well as Mercedes-Benz 4th, 4.5th, and 5th generation partial functions. More Mercedes-Benz functions will be added in future updates.– Not supported
Audi/Porsche MLB Built-in (all original KD-MP functions, direct operation, no computer required)– Not supported (acquisition and calculation require an additional KD-MP device)
VW/Audi/Skoda MQB48 Built-in (all original KD-MP functions, direct operation, no computer required)– Not supported (acquisition and calculation require an additional KD-MP device; supports cluster disassembly for adding keys)
VW/Audi 5C/5D– Supported– Supported
VW/Audi/Skoda 4th Generation– Supported– Supported
BMW CAS/FEM/BDC– Supported (CAS series requires adapter configuration)– Supported (CAS series requires adapter configuration)
DOIP– Built-in– Supported (requires additional adapter cable)
Motorcycles– Supported (requires additional adapter cable)– Supported (requires additional KD motorcycle adapter and adapter cable)
Immobilizer Module Programming– Supported– Supported
Cloud Diagnosis (C-Client)– Supported (free upgrades)– Not supported
Toyota/Ford/Land Rover/Nissan/Volvo– Supported– Supported (some scenarios require additional adapters and cables)
Remote Generation– Supported (reserved for Mercedes-Benz series key functions)– Supported
Chip Identification & Cloning– Supported (additional support for identifying new and old Mercedes-Benz keys)– Supported (does not support identifying new and old Mercedes-Benz keys)
Other– Supports standalone operation, no third-party devices required– Does not support standalone operation; requires third-party devices (e.g., phone, tablet)

What are the differences compared to the KD-X4?
It’s standalone, no PC or mobile phone needed.
Built-in DoIP.
Built-in KD-MP MLB & MQB48 function.
Supports Benz FBS3 add key & AKL. and it is currently in the works regarding FBS4/FBS5.
It supports Cloud-C remote function.

 

The KD-X6 comes with 2 configurations: Standard version and full version.

 

KD-X6 Standard version vs full version:

License comparison

Function NameKD-X6 Standard Version (KD Coins/USD)KD-X6 Professional/Full Version (Activation Status/Cost)
MQB Match/Audi BCM23500KD-Coins or 75USDIncluded (Free)
BMW G/BMW FEM Match3500KD-Coins or 75USDIncluded (Free)
VOLVO(LYNK CO) Match3500KD-Coins or 75USDIncluded (Free)
BMW Moto Match7000KD-Coins or 100USDIncluded (Free)
Ducati Moto Match7000KD-Coins or 100USD (Also requires KD-MOTO Adapter)Included (Free)
BMW CAS Match2000KD-Coins or 30USDIncluded (Free)
Porsche BCM Match2000KD-Coins or 30USDIncluded (Free)
Read MQB / MLB key (Former MP Function)9000KD-Coins or 150USDIncluded (Free)
Benz FBS3 MatchRequires separate adapter purchaseIncluded (Free)

Adapter/Accessory  comparison:

Accessory ItemKD-X6 Standard VersionKD-X6 Professional Version
KD-X6 Main UnitIncludedIncluded
13#Key Chip Reading AdapterIncludedIncluded
New OBD Function Extension CableIncludedIncluded
KD-EPA Wiring HarnessIncludedIncluded
KD-EPA Expansion Programming AdapterIncludedIncluded
EEPROM AdapterIncludedIncluded
DB15-OBD CableIncludedIncluded
FT-30P CAN Adapter CableIncludedIncluded
USB TypeC Charging & Data CableIncludedIncluded
SMB Decryption CableIncludedIncluded
Smart key Unlock CableIncludedIncluded
Acquisition AntennaIncludedIncluded
KD-6P Remote Generate CableIncludedIncluded
DB25 Programming CableIncludedIncluded
KD-MOTO Adapter (Main-unit)Not Included (To-purchase-separately: USD 340)Included
KD-MOTO DB15 Connection CableIncludedIncluded
UNIV-DB25 (Universal DB25 Programming Cable)IncludedIncluded
DB25-FBS3 AdapterNot Included (To-purchase-separately: USD 150)Included
SPIN-FBS3 All-Key-Lost Key SimulatorIncludedIncluded

KD-X6 Standard version vs full version:

KD-X6 full version has all adapters included. Standard version requires purchasing KD-MOTO and Benz FBS3 adapters separately.

KD-X6 full version comes with all licenses by default. Standard version requires activate license separately.

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