Take some of the Guesswork Out of GVM Upgrades with Our Free Online Calculator
Are you considering a GVM upgrade for your vehicle but feeling overwhelmed by all the calculations and requirements?
We've got exciting news that will make your life easier!
TJP Auto & 4x4 is proud to introduce our new, user-friendly GVM-GCM Calculator – a game-changing tool that helps you understand your vehicle's upgrade potential in seconds.
Why We Created This Calculator
As Tasmania's leading GVM experts, we understand that GVM upgrades can be confusing.

Many vehicle owners struggle with:
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Understanding their current vehicle's weight limits
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Calculating safe loading capacities
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Determining if they need a GVM upgrade
Our free online calculator eliminates these uncertainties and puts the power in your hands.
How It Works
Simply visit our GVM-GCM Calculator
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Analyze your vehicle's specifications
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Calculate your current weight limitations
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Show your potential weights
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Help you make an informed decision about GVM upgrade
Why GVM Upgrades Matter
Whether you're
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Towing a caravan
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Loading up for camping trips
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Carrying work equipment
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Installing heavy accessories
Knowing your vehicle's weight limits isn't just about compliance – it's about safety and peace of mind.
Expert Support Every Step of the Way
While our calculator provides instant insights, our team of qualified technicians is always here to help. You can trust TJP Auto & 4x4 for professional GVM upgrades that meet all legal requirements.
Ready to Get Started?
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Try our GVM-GCM Calculator now
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Get instant results
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Book a consultation with our experts
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Drive with confidence
Don't risk overloading your vehicle or breaking regulations.
Use our free calculator today and take the first step toward safer, legal loading capacity.
Questions about GVM upgrades?
Contact our friendly team at 03 62294791 or visit us at 55 Sunderland Street, Derwent Park.