Business Car Loan Interest Rates in Australia (July 2026)

The average business car loan interest rate in Australia currently ranges from 5.99% to 8.99% for borrowers with established ABNs and clean credit, as at July 2026. Rates can reach 20% or higher for newer businesses or weaker credit profiles. The rate you're offered depends on your ABN and GST history, credit score, property ownership, the vehicle's age, and how you structure the finance. Here's what drives the number and how to secure the best deal.

Current business car loan and chattel mortgage rates

As at July 2026, the RBA cash rate sits at 4.35% following three consecutive rises earlier in the year. Business car finance rates have tightened from where they sat in late 2025, but because business car loans are secured against the vehicle itself, rates remain well below unsecured business lending.

The best chattel mortgage rates from lenders on major broker panels currently start between 5.99% and 6.99% for prime applicants: established businesses with 2+ years ABN, GST registration, clean credit, and property backing. At the other end, specialist lenders serving newer or higher-risk businesses charge 12% to 20% or more.

The average chattel mortgage amount requested for vehicles in Australia is $59,820, according to a 2026 Australian asset finance study. Most borrowers (63%) have been trading for 3+ years, and 75% are homeowners, both factors that help secure lower rates.

The seven factors that determine your interest rate

Every lender uses its own credit model, but across the market these seven factors consistently drive the business car loan interest rate you're offered.

1. Your ABN and GST registration history

This is the biggest single factor. Prime lenders offering rates from 5.99% typically require a minimum of 2 years ABN registration and 2 years GST registration. Shorter histories push you into mid-tier (7% to 12%) or specialist (12% to 20%+) territory.

Our guide to getting a car loan with an ABN breaks down the three lender tiers in detail.

2. Your credit score

Lenders generally look for a minimum director credit score of 500 to 600 and a minimum company credit score of 475 to 500. Above those thresholds, a stronger score unlocks better pricing. Below them, you'll face rate loadings of 2% to 5% or more, and some lenders won't approve at all.

3. Vehicle age and type

New and demonstrator vehicles attract the lowest rates, typically 1% to 2.5% less than used vehicles. Lenders offer better pricing on newer cars because the resale value is higher, which lowers their risk if you default.

Most lenders won't finance vehicles older than 12 to 15 years at end of term. Older vehicles within that window carry rate loadings. Specialised or niche vehicles (refrigerated vans, custom fit-outs, mobile workshops) also attract higher rates because they have limited resale demand compared to a standard ute or sedan.

4. Whether you own property

Being a homeowner makes a measurable difference. Asset-backed borrowers are considered lower risk even without the lender taking a formal charge over the property. Industry data shows homeowners request average chattel mortgage amounts of $131,031, while renters average $65,542, reflecting both higher approval limits and lender confidence.

If you're not a property owner, expect to pay 0.5% to 2% more for the same loan, and you may need to provide a deposit of 10% to 20%.

5. Loan term

Business car loan terms range from 1 to 7 years. Shorter terms generally attract lower rates because the lender's exposure period is shorter. A 3-year loan will typically be priced better than a 7-year loan for the same vehicle and borrower profile.

However, shorter terms mean higher monthly repayments. The right term balances rate savings against cash flow, particularly for small businesses where repayment predictability matters.

6. Deposit or trade-in

Contributing a deposit reduces the lender's loan-to-value ratio, which can lower your rate. A 10% to 20% deposit is common at the specialist tier but can also improve pricing at the mid-tier and prime levels. Trading in an existing vehicle has the same effect.

7. Dealer vs private sale

Buying from a licensed dealer typically gets you a better rate. Some lenders apply a loading of 0.50% to 1% on private sale purchases. Dealer purchases come with statutory warranties, which reduces the lender's risk. Private sales require more due diligence on the vehicle's condition and encumbrance history.

Business car loan and chattel mortgage rates by lender tier

Fixed vs variable: which is cheaper?

Most business car loans in Australia carry fixed rates. Over 69% of car loans across major comparison databases are fixed. In July 2026, fixed rates are generally lower than variable rates for chattel mortgages.

Fixed rates lock your repayments for the life of the loan. This is the default for most business vehicle finance and suits businesses that value repayment certainty. With the RBA having raised rates three times already in 2026, fixing provides protection against further increases.

Variable rates move with the market. They can be lower initially but carry the risk of increases. In the current environment, with the RBA at 4.35% and the next decision due in August 2026, most borrowers are opting for fixed.

The choice matters more on longer terms. On a 2-year loan, the difference between fixed and variable is minimal. On a 5 to 7-year loan, fixing your rate could save (or cost) you thousands depending on where rates go.

The balloon payment trade-off

A balloon payment (or residual) is a lump sum due at the end of your loan term. Including one reduces your monthly repayments but increases the total interest you pay, because you're paying interest on the balloon amount for the entire term without reducing it.

Balloon payments typically range from 20% to 40% of the loan amount. They suit businesses that want to preserve cash flow now and plan to either refinance, trade in, or pay the lump sum at the end.

For a $60,000 chattel mortgage at 8% over 5 years, adding a 30% balloon ($18,000) would lower monthly repayments by roughly $290 but add approximately $7,200 in total interest over the term. It's a cash flow tool, not a cost-saving one.

Why the comparison rate matters more than the headline rate

A low advertised rate with high fees can cost more than a higher rate with no fees. The comparison rate includes both the interest rate and standard fees, giving you the true cost of the loan.

For example: a chattel mortgage at 8% with a $550 application fee and $10 monthly account-keeping fee has a comparison rate of about 8.55%. A competing loan at 8.25% with no fees has a comparison rate of 8.25%, making it $575 cheaper over 5 years on an $80,000 loan, despite the higher headline rate.

Always ask for the comparison rate. If a lender won't provide one, that's a red flag.

How to get the best business car loan interest rate

Time your application right. If your ABN is approaching 2 years, waiting a few months can unlock prime rates and save you thousands over the loan term. The jump from mid-tier to prime pricing is the single biggest rate improvement most borrowers can access.

Buy new or near-new where possible. New vehicles under 4.5 tonnes attract the best rates from most lenders, typically 1% to 2.5% less than used vehicles. If the numbers work, a new vehicle with a lower rate can cost less overall than a cheaper used car at a higher rate. For a deeper look at the total cost picture including tax treatment, see our comparison of business vs personal car loan costs.

Use a broker. Each lender has different rate tiers, credit criteria, and fee structures. A broker with access to 50+ lenders can identify which lender's pricing model suits your specific profile, rather than you applying blind and potentially being quoted a rate that doesn't reflect your best option.

Don't ignore the comparison rate. A 0.5% difference in comparison rate on a $60,000 loan over 5 years is roughly $900 in real money. Fees matter.

This article is general information only and is not financial advice.