1
Select Your Vehicle
Make, model, year, and variant

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2
Existing Modifications
Tick anything already fitted to your vehicle

Choose a verified product where available, or enter measured net added weight. Unknown installed weight stays unknown and makes the total incomplete.

3
Plan New Accessories
Select one per category — listed product weight tracked live. Actual vehicle-mass change can differ when factory parts are removed.
4
Passengers & Cargo
Include driver — affects GVM calculation
Includes driver · 90 kg each
1
Camping, tools, water, recovery gear
kg
Note: Don't forget: tow ball downforce (10% of trailer weight), spare tyre, recovery gear, water, and fuel above normal tank capacity all count toward your GVM.