Toyota Motor Corporation Australia Reportedly Agrees to A$750 Million Settlement of Two Diesel Particulate Filter Class Actions, Which HiLux, Prado and Fortuner Owners Could Qualify?

Toyota Motor Corporation Australia Limited has reportedly agreed to pay A$750 million to settle two class actions over defective diesel particulate filter (DPF) systems in certain Toyota HiLux, Prado and Fortuner vehicles sold in Australia. Australian outlets reported the agreement on October 12 and 13, 2026, and the reports say it would be the largest class action settlement in Australian history. Toyota Australia has said the settlement is subject to approval by the Federal Court of Australia.

This is an Australian case, not a U.S. settlement. It was brought in the Federal Court of Australia under the Australian Consumer Law and covers vehicles acquired in Australia. There is no U.S. claim form, no U.S. deadline and nothing for U.S. Toyota owners to file.

Read this before relying on the figure: the signed settlement deed and a court approval order were not available in the primary sources reviewed. The official Toyota class action website still described settlement negotiations when this article was prepared. Treat A$750 million as a reported, court-approval-pending amount, and confirm the currency, terms and dates in the court documents once they are published.

Toyota Australia DPF Class Actions: Quick Facts

Detail	What is known
Defendant	Toyota Motor Corporation Australia Limited
Court	Federal Court of Australia (New South Wales Registry)
Lead case	Williams v Toyota Motor Corporation Australia Limited, NSD1210/2019
Second case	Taylor v Toyota Motor Corporation Australia Limited, NSD1326/2025
Reported settlement amount	A$750 million
Status	Agreed, subject to Federal Court approval
Vehicles	Certain Toyota HiLux, Prado and Fortuner vehicles with 1GD-FTV (2.8-litre) or 2GD-FTV (2.4-litre) turbo-diesel engines
Vehicles in the Williams case	About 264,170 vehicles acquired in Australia between October 1, 2015 and April 23, 2020
Law firm for the group members	Quinn Emanuel Urquhart & Sullivan
Litigation funder	Balance Legal Capital
Payment per owner	Not announced
New settlement claim form	None verified
Earlier registration deadline	August 26, 2026, 4 p.m., for the Williams and Taylor cases (already passed)
Official website	toyotaclassaction.com.au
Official court documents	Toyota DPF court documents

Which Toyota Vehicles and Owners Are Covered?

The Williams DPF Class Action

The Williams case concerns HiLux, Prado and Fortuner vehicles fitted with a 1GD-FTV or 2GD-FTV diesel engine that were acquired new in Australia between October 1, 2015 and April 23, 2020.

The Taylor DPF Class Action

The Taylor case was launched in July 2025 and concerns certain vehicles acquired second-hand through private sales between April 24, 2020 and July 31, 2025, where the vehicle had first been acquired new in Australia during the Williams period. The Federal Court’s opt-out notice for the Taylor case names Quinn Emanuel as the law firm and Balance Legal Capital as the funder.

A used HiLux, Prado or Fortuner does not qualify automatically. Engine type, how the vehicle was acquired and ownership history all matter. Owners with questions can contact Quinn Emanuel at [email protected], the address given in the court’s notice.

What Is the Toyota Diesel Particulate Filter Defect?

A diesel particulate filter traps soot from diesel exhaust and periodically burns it off in a process called regeneration. The class actions allege that the DPF system in these vehicles did not work effectively under reasonably expected Australian driving conditions. Reported consequences include excessive white or foul-smelling smoke, “DPF full” warnings, higher fuel consumption, repeated unscheduled servicing and, in some cases, reduced-power “limp mode.” These are allegations and findings about the vehicles as a group. They do not mean every vehicle had every symptom.

What Have Australian Courts Already Decided in the Toyota DPF Case?

This is not a newly filed case. The Williams litigation has run for years.

Date	Event
2019	Williams class action begins (NSD1210/2019)
April 2022	Federal Court (Justice Lee) finds the vehicles were not of acceptable quality and that Toyota engaged in misleading or deceptive conduct ([2022] FCA 344); the court assessed the reduction in value at 17.5 percent of the average retail price
March 2023	Full Federal Court upholds liability and, according to reports, reduces the value assessment to 10 percent ([2023] FCAFC 50 and [2023] FCAFC 70)
November 6, 2024	High Court of Australia delivers judgment ([2024] HCA 38) on how reduction-in-value damages under section 272(1)(a) of the Australian Consumer Law are calculated; reports say it favoured the group members and sent the matter back to the Federal Court to reassess compensation
July 2025	Taylor class action launched (NSD1326/2025)
August 26, 2026	Registration deadline for the Williams and Taylor cases
October 12 to 13, 2026	A$750 million settlement reported, subject to court approval

Plaintiffs’ lawyers had earlier suggested damages across the whole group could reach about A$2 billion. That was a pre-appeal estimate, not a court order. The High Court’s own judgment was not reviewed for this article, so confirm the exact holding there.

Toyota did not conduct a safety recall, but says it has offered a free-of-charge DPF repair since 2020. The class action notice warns that Toyota argues taking up the repair can affect a group member’s reduction-in-value entitlement, so owners should get advice before deciding.

What Is Confirmed and What Is Not About the A$750 Million Settlement?

Confirmed, according to Toyota Australia’s public statement as reported: Toyota has agreed to a settlement, and it is subject to court approval.

Reported by news outlets: the A$750 million figure, that it resolves both the Williams and Taylor cases, and that it is Australia’s largest class action settlement.

Not yet public:

• The settlement deed itself
• How the money will be divided among group members after legal costs and the funder’s commission
• The Federal Court’s approval hearing date. One report points to around November 20, 2026, but this was not confirmed in court documents
• Any new registration, claim or objection deadlines tied to the settlement

How Much Could Eligible Toyota Owners Receive?

No individual amount has been announced. The A$750 million is the reported total, not a payment for each owner. The final figure per person will depend on the settlement terms, the number and type of eligible group members, legal costs, any funder commission and the court’s orders. Group members’ possible entitlements differ depending on whether they still own the vehicle, whether they bought it new or second-hand, and whether they claim additional losses.

No one should treat any per-vehicle estimate as confirmed until the court-approved distribution method is published.

Do Toyota Owners Need to Register or File a Claim?

The official class action website told group members to register their interest in compensation by 4 p.m. on August 26, 2026. That date has passed. The website said people who did not register may not receive money from a settlement, even if they remain group members, and that people who only subscribed for website updates still had to complete the separate registration process.

Whether the reported settlement will give people who missed the deadline another opportunity has not been confirmed, and no new settlement-specific claim form has been verified.

If you think your vehicle qualifies:

1. Visit the official Toyota Class Action website and open the page for the Williams or Taylor case.
2. Read the latest notices and registration instructions.
3. If you registered, keep your confirmation and supporting documents.
4. If you missed the deadline, contact the legal team through the official site and ask whether the settlement changes your options.
5. Do not pay anyone who offers to register you or promises a “Toyota DPF refund,” and be wary of calls, texts or emails asking for fees or bank details.

What Happens Next in the Toyota Australia Settlement?

Under Part IVA of the Federal Court of Australia Act 1976 (Cth), a class action cannot be settled without the court’s approval (section 33V). The process generally works like this:

1. Notice to group members. The court usually orders notice of the proposed settlement, with a deadline to object (section 33X).
2. Approval hearing. The court decides whether the settlement is fair and reasonable to the group as a whole, and also considers legal costs and any funder commission.
3. Distribution. If approved, the court can make orders about how the money is paid (section 33V(2)).
4. Binding effect. Group members who have not opted out are generally bound by the outcome (section 33ZB).

If the court declines to approve the settlement, the proceedings would continue toward further hearings on compensation. Until approval, nothing is final, and no payment is available.

Which Laws Apply to the Toyota DPF Class Actions?

Law	What it covers	Why it matters here
Australian Consumer Law, section 54 (Schedule 2, Competition and Consumer Act 2010 (Cth))	Goods sold to consumers must be of acceptable quality	The Federal Court found the vehicles did not meet this guarantee
Australian Consumer Law, section 18	Prohibits misleading or deceptive conduct in trade or commerce	The court found Toyota engaged in misleading or deceptive conduct in marketing and selling the vehicles
Australian Consumer Law, section 272(1)(a)	Damages for the reduction in value of goods that fail a consumer guarantee	The central issue before the High Court; Toyota’s free repair affects how this is argued
Federal Court of Australia Act 1976 (Cth), Part IVA	The Australian class action regime	Governs notice, opt-out, settlement approval and binding effect
Section 33V	Court approval is required to settle a class action	Why the A$750 million is not final
Section 33Z	Orders the court can make on judgment, including aggregate assessment of damages	Used by the Federal Court in the Williams case
Section 33ZB	Binding effect of judgments and settlements on group members	Explains why group members who did not opt out are generally bound

Australian class action procedure is an opt-out system that differs from U.S. Rule 23 practice, and it is not covered here in full.

Does the Toyota Australia Settlement Cover U.S. Vehicle Owners?

No. Nothing in the reviewed materials gives U.S. owners any rights in these proceedings. Owning a HiLux, Prado, Fortuner or any Toyota diesel in the United States does not make you a group member. For a separate U.S. Toyota vehicle case, see Toyota UA80 Transmission Lawsuit: Lawsuit Over Alleged Automatic Gearbox Defects Leave Owners With $7,000+ Repairs. It concerns different vehicles and allegations.

Frequently Asked Questions About the Toyota Australia DPF Settlement

How much is the Toyota Australia DPF settlement?

A$750 million has been reported, covering two class actions. It is subject to Federal Court approval, and the currency should be confirmed in the court documents.

Has the Federal Court approved the settlement?

Not yet, based on the sources reviewed. Toyota Australia says approval is required.

Does this apply to U.S. Toyota owners?

No. The cases cover vehicles acquired in Australia and are governed by Australian law.

Which Toyota models are involved?

Certain HiLux, Prado and Fortuner vehicles with 1GD-FTV or 2GD-FTV diesel engines, acquired in Australia during the periods in the Williams and Taylor cases.

Can I claim if I bought a used Toyota?

Possibly. The Taylor case covers certain second-hand vehicles bought privately between April 24, 2020 and July 31, 2025, but the detailed criteria apply.

Is there a new claim form?

No new settlement-specific claim form has been verified. The earlier registration deadline was August 26, 2026.

How much will each owner receive?

It has not been announced and depends on the final settlement terms and court orders.

Did Toyota admit fault?

The Federal Court found the vehicles were not of acceptable quality and that Toyota engaged in misleading or deceptive conduct. Those findings came from the court after trial, not from the settlement. Toyota Australia has said it apologises for any inconvenience and that a free repair has been available since 2020.

When will payments be made?

No payment date can be confirmed until the settlement is approved and the distribution method is set.

What the Record Does Not Show

• The signed settlement deed
• Final Federal Court approval
• The exact payment per owner
• A confirmed approval hearing date or new registration deadline

Sources and Verification Notes

1. Official class action website: toyotaclassaction.com.au, including the Williams and Taylor pages and court documents
2. Federal Court of Australia: Notice to group members, NSD1210/2019 and Taylor DPF opt-out notice, NSD1326/2025
3. Federal Court of Australia: Toyota Motor Corporation Australia Limited v Williams (No 2) [2023] FCAFC 70, which also references [2022] FCA 344
4. High Court of Australia: Toyota Motor Corporation Australia Limited v Williams, [2024] HCA 38 (judgment not reviewed directly)
5. Lawyerly: Toyota to pay $750M in largest ever class action settlement (October 13, 2026; paywalled, opening line only)
6. CarExpert: Toyota agrees to $750 million HiLux, Prado DPF class action settlement, including Toyota Australia’s statement
7. Drive: Massive Toyota class action reaches settlement
8. Legislation: Federal Court of Australia Act 1976 (Cth), Part IVA, ss 33V, 33X, 33Z and 33ZB; Australian Consumer Law (Schedule 2, Competition and Consumer Act 2010 (Cth)), ss 18, 54 and 272

This article is general information, not legal advice, and it does not cover Australian law in full. Affected owners should seek advice from their own lawyers or the lawyers named in the court’s notices.

Researched and written by Israr Ahmad, legal content researcher and founder of AllAboutLawyer.com. All facts verified against the Federal Court of Australia’s notices, the official Toyota class action website and published coverage of the settlement announcement; the settlement terms and approval hearing date were not available in primary sources, as of October 13, 2026. Last Updated: October 13, 2026.