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Vehicle affordability: look beyond the instalment

A vehicle budget should account for finance and the ongoing costs of owning and operating the vehicle.

Reviewed 28 September 2026Educational information

The finance payment is only one cost

A vehicle can also require fuel, insurance, maintenance, tyres, licensing, parking and other costs. A payment that fits on paper may still create pressure once operating costs are included.

Use an explicit budget assumption

There is no single percentage that applies to every household. The calculator lets you choose a payment percentage so the assumption is visible rather than presented as a universal rule.

Consider deposit and term

A larger deposit can reduce the amount financed. A longer term can reduce the scheduled payment but may increase total interest, depending on the rate and structure.

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CALCULATOR

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Change the assumptions and explore a scenario using your own figures.

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Calculator results are estimates. Review the assumptions and limitations shown on the calculator page.