Although Autel is a car diagnostic scanner brand from China, its global business strategy and advanced scanner tools make it popular in the U.S. market. As a local American brand, Snap on's car diagnostic tools are also loved by many people.
When it comes to choosing the best OBD2 diagnostic scanner for your vehicle, Autel and Snap on are two of the most trusted and advanced brands in the industry. But how do you decide which tool is right for your needs?
In this comparison, we take a close look at two flagship models—Autel MaxiSys Ultra S2 and Snap on Triton D10—to help you understand their key differences in features, functions, and value. Whether you’re a professional technician or a serious DIYer, this guide will help you choose the best scanner for your garage.
The Autel MaxiSYS Ultra S2 is a powerful 13.7-inch Android-based diagnostic tablet featuring 512GB of storage and a built-in 6-in-1 VCMI (including VCI, oscilloscope, multimeter, and more). It offers full coverage for U.S., Asian, and European vehicles from 1996 onward and supports advanced diagnostics such as active tests, special functions, and online coding.
Key highlights include Topology 3.0 OE-style network mapping, direct ECU ping for network diagnostics, enhanced Live Data visualization, an integrated 4-channel oscilloscope, and a new AI-powered digital inspection tool. The Ultra S2 also features voice-controlled MAX assistant, Remote Expert, and comes with 1 year of free software updates and TRUSPEED repair data.
MaxiSys Ultra S2 AI Assistant MAX: Hands-Free Control for Scans Diagnostics
The Snap on Triton D10 is a professional 10.1-inch diagnostic scanner built for fast and accurate troubleshooting. It offers OEM-level coverage for most U.S., Asian, and European vehicles, featuring essential functions like read/clear codes, live data, functional tests, and service resets.
The D10 stands out with its Fast-Track® Intelligent Diagnostics, guiding users to the most relevant tests and fixes based on the code detected. It also includes a built-in 2-channel oscilloscope, guided component tests, and access to SureTrack® real-world repair tips. The device supports pre/post scans, connects to ShopStream Connect, and includes 14 months of software access at purchase.
| Item | Autel MaxiSys Ultra S2 | Snap on Triton D10 |
| Image |  |
 |
| Price | $5889 | $6550 |
| Hardware | ||
| RAM | 12GB | Not disclosed |
| ROM | 512GB | Not disclosed |
| Battery Capacity | 18000mAh | 2200mAh (removable) |
| Operating System | Android 13 | Snap-on Proprietary OS |
| Screen | 13.7 inch | 10.1 inch |
| Wi-Fi | Yes | Yes |
| Camera | Front 16MP / Rear 16MP | No Built-in Camera |
| VCI | VCMI 2(6-in-1) | Wireless VCI |
| Software | ||
| Read And Clear Codes | Yes | Yes |
| Live Data | Yes | Yes |
| Service | Yes | Yes |
| Special Fuction | Yes | Yes |
| Active Test | Yes | Yes |
| ECU Coding | Yes | No |
| ECU Programming | Yes | No |
| Hidden Feature | Yes | No |
| Guided Component Tests | Partially Supported | Yes |
| Auto and Scan VIN | Yes | Yes |
| Scan License | Yes | No |
| Auto Module Scan | Yes | Yes |
| Remote Desk | Yes | No |
| DOIP/CAN FD | Yes | Yes(partial support: Jaguar, Land Rover) |
| Pre and Post Scan | Yes | Yes |
| WiFi Print | Yes | No |
| Additional Features | ||
| Built-in Oscilloscope (2 channels) | Needs external device | Yes |
| Multimeter Function | Needs external device | Yes |
| Endoscope | Yes(MV108S) | No |
| Battery Test | Yes(BT506) | No |
| TPMS | Yes(ITS600) | Limited support |
| Report Management | Yes | Local only |
| Language | Yes | English only |
| Upgrade | 2 years free OTA updates | Requires paid subscription |
| Renault Gateway | Yes | No |
Both the Autel MaxiSys Ultra S2 and Snap-on Triton D10 are high-end diagnostic tools designed for professional technicians—but they serve slightly different needs. Here's an honest breakdown of their key strengths and trade-offs:
Strengths:
The Autel Ultra S2 is equipped with Autel's latest 6-in-1 VCMI2 device.
Weaknesses:
Best for: Technicians needing deep coding/programming, flexibility, or shop-level all-in-one solutions.
Strengths:
The Snap-on Triton-D10 diagnostic tester provides access to SureTrack
Weaknesses:
Best for: Technicians who value speed, efficiency, and reliable repair guidance, especially in busy shops or when working across many vehicle types.
Both are excellent tools—but serve different kinds of professionals. Your decision should depend on how hands-on you want to be, and what depth of control your workflow demands.
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