When it comes to automotive diagnostics, the OBDSTAR X300 Classic G3 stands out as a game-changer for technicians worldwide. But with three distinct versions available – Yellow, Green, and Blue – making the right choice can be overwhelming.
The Yellow Edition represents the global standard, perfect for technicians seeking worldwide compatibility through online dealers. Its broad market support makes it ideal for workshops handling diverse vehicle brands and models.

The Green Version offers specialized regional customization, distributed through local channels. This variant shines in markets like Brazil, where unique vehicle lineups require dedicated support. If you’re working in regions with specific automotive requirements, the Green OBDSTAR G3 delivers unmatched versatility.

The Blue Edition targets the American market specifically, focusing on American and Japanese vehicles. While more affordable due to its streamlined features, it notably excludes motorcycle key programming – a crucial consideration for comprehensive workshops.

| Features | G3 Yellow | G3 Green | G3 Blue |
|---|---|---|---|
| Target Market | Global | Global (Regional) | USA Focused |
| Distribution Channel | Online Dealers | Offline/Local Distributors | Official US Release |
| Vehicle Coverage | Wide Variety | Wide + Regional Models | American & Japanese |
| Regional Customization | Limited | ✓ (e.g., Brazil models) | US Specific |
| Motorcycle Support | ✓ Available | ✓ Available | ✗ Not Supported |
| Immobilizer Functions | ✓ Full Coverage | ✓ Full Coverage | US Market Focused |
| Upgrade Options | ✓ Standard to Pro/Full | ✓ Standard to Pro/Full | ✓ Standard to Pro/Full |
| Price Point | Standard | Standard | More Affordable |
| Availability | Widely Available | Ongoing (Not Phased Out) | US Market |
| Best For | Global flexibility & online purchase | Regional needs & local support | US workshops, budget-conscious |
All three versions share robust immobilizer functions and offer seamless upgrade paths from standard to pro versions, ensuring your investment grows with your business needs.
The beauty of KeyMaster G3 series lies in its flexibility. Whether you’re a startup garage or an established diagnostic center, there’s a version tailored to your specific requirements and budget.
Since OBD2 standardization in 1996, diagnostic tools have revolutionized automotive repair. OBDSTAR G3 Key Programmer continues this legacy, offering professional-grade diagnostics that keep pace with modern vehicle complexity.



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