Business Finance10 min read

Chattel Mortgage vs Car Loan: Which Is Right for You?

Compare chattel mortgages and car loans in Australia. Understand the tax benefits, ownership differences, and which option suits business owners, ABN holders, and individuals.

Car Finance Team

11 January 2026

Understanding Chattel Mortgages: The Basics

A chattel mortgage is a type of secured business loan where the vehicle serves as security for the loan, and you own the car from the outset. The term "chattel" refers to moveable personal property, distinguishing it from real property like land or buildings. This financing option is specifically designed for business use and is only available to entities that can claim GST credits.

Unlike a standard car loan where a lender might register their interest against the vehicle, a chattel mortgage formally uses the car as mortgage security. You take ownership immediately upon purchase, register the vehicle in your name, and can claim the asset on your business balance sheet from day one.

Chattel mortgages are available to sole traders with an ABN, partnerships, companies, and trusts. Private individuals without business purposes cannot access this financing type, as its structure is designed around business tax treatment.

Key Differences Between Chattel Mortgages and Car Loans

Understanding the distinctions between these two financing options helps you choose the right product for your circumstances.

Ownership: With a chattel mortgage, you own the vehicle from purchase. With many consumer car loans, particularly those arranged through dealers, the lender may own or hold title to the vehicle until the loan is fully repaid. This distinction affects how you can use and dispose of the asset.

GST Treatment: When financing a vehicle through a chattel mortgage, GST-registered businesses can claim the GST component of the purchase price as an input tax credit on their next Business Activity Statement. The full purchase price including GST is borrowed, but the GST is recovered, effectively reducing your net financing amount.

Interest Rates: Chattel mortgage rates are often competitive with or lower than consumer car loan rates because they are secured against a business asset and carry different risk profiles for lenders. Always compare rates from multiple providers to ensure you are getting the best deal.

Balloon Payments: Both chattel mortgages and car loans can include balloon payments, but they are particularly common in chattel mortgage structures. A balloon payment at the end of the term keeps regular repayments lower and can align with the vehicle's residual value. Use our car finance calculator to see how different balloon amounts affect your repayments.

Tax Benefits of Chattel Mortgages for Business

The tax advantages of chattel mortgages represent their primary appeal for business users. Understanding these benefits helps you assess whether they deliver genuine value for your situation.

Depreciation Deductions: Because you own the vehicle from purchase, you can claim depreciation as a tax deduction. For vehicles used primarily for business purposes, depreciation reduces your taxable income each year. Under current rules, eligible businesses may be able to claim instant asset write-off provisions for immediate deductions.

Interest Deductions: The interest component of your chattel mortgage repayments is tax-deductible when the vehicle is used for business purposes. This effectively reduces the after-tax cost of your finance.

GST Credits: GST-registered businesses claim back the GST paid on the vehicle purchase. On a $55,000 vehicle including GST, the $5,000 GST component is recovered through your BAS, meaning you effectively finance and pay for a $50,000 vehicle.

Running Cost Deductions: All business-related running costs including fuel, servicing, insurance, and registration are deductible in proportion to business use. This applies regardless of financing method but combines with chattel mortgage tax treatment for comprehensive business vehicle deductions.

When to Choose a Standard Car Loan Instead

Despite the tax benefits of chattel mortgages, standard consumer car loans remain the appropriate choice in several situations.

Personal Use Only: If you are buying a vehicle purely for personal use with no business purpose, a chattel mortgage is not available to you. Consumer car loans cater to this market with competitive rates and straightforward terms.

No ABN or Business Registration: Without an ABN and business activity, you cannot access chattel mortgage finance. Standard car loans have no such requirements.

Mixed Use with Limited Business Percentage: If your vehicle use is predominantly personal with only minor business use, the administrative complexity of a chattel mortgage may outweigh the limited tax benefits. Consumer car loans offer simpler structures for mixed-use scenarios.

Simplicity Preference: Consumer car loans are generally more straightforward than chattel mortgages. If you prefer simple, clear financing without tax calculations and BAS considerations, a standard loan may better suit your needs.

Chattel Mortgage Considerations for ABN Holders

If you hold an ABN and are considering a chattel mortgage, several factors warrant careful consideration.

Business Use Percentage: Tax deductions relate to the business use percentage of your vehicle. If the car is used 70 percent for business and 30 percent for private purposes, you can only claim 70 percent of depreciation, interest, and running costs. Keep a logbook to substantiate your claimed business use percentage.

Luxury Car Tax Threshold: Vehicles exceeding the luxury car tax threshold have capped depreciation deductions regardless of purchase price. If you are buying an expensive vehicle, understand how this cap affects your tax benefits.

Cash Flow Timing: While GST credits are valuable, there is a cash flow timing element. You pay the full GST-inclusive price upfront but do not recover the GST until lodging your next BAS. For quarterly lodgers, this could mean waiting several months for the credit.

End of Loan Options: At the end of your chattel mortgage term, you may have a balloon payment to address. You can pay this from business funds, refinance the balloon, trade the vehicle, or sell privately. Plan ahead for this payment to avoid cash flow surprises.

Making the Right Choice for Your Circumstances

Selecting between a chattel mortgage and a standard car loan requires honest assessment of your situation and needs.

Start by determining your vehicle's genuine business use percentage. Be realistic rather than optimistic, as the ATO can review claims and require logbook evidence. If business use is below 50 percent, the chattel mortgage tax benefits diminish significantly.

Calculate the actual dollar value of tax benefits. Work with your accountant to model your depreciation deductions, interest deductions, and GST credits against your business income and tax rate. Compare this benefit against any difference in interest rates between chattel mortgages and consumer loans.

Consider the administrative burden. Chattel mortgages require proper record keeping, logbook maintenance, and correct BAS treatment. If you are uncomfortable with this complexity or do not have professional accounting support, a simpler consumer loan might serve you better.

Use our free car finance calculator to compare repayment amounts under different scenarios. Understanding your actual monthly commitment helps you make an informed choice that fits your business cash flow while maximising available tax benefits.

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Car Finance Calculator Team

Our team of finance experts is dedicated to helping Australians make informed decisions about car loans. We provide accurate, up-to-date information to guide you through your vehicle financing journey.