You could be owed thousands if you purchased or leased a diesel Renault or Nissan vehicle between 2009 and 2020.
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Overview
Renault and Nissan have joined the list of car manufacturers facing trial in the UK for allegedly selling cars with “defeat devices.”
Lawyers believe these devices manipulated emissions tests to make vehicles appear more environmentally friendly than they were.
While separate companies, Renault and Nissan have shared a close alliance since 1999, with both having a stake in the other’s business.
In July 2026, the High Court issued its first major ruling in the latest UK Dieselgate claims. The court found that certain manufacturers had used unlawful defeat devices, although it did not uphold all of the claims made against them.
The cases are continuing. Lawyers representing motorists are considering an appeal, and a further High Court hearing will decide what the ruling means for affected drivers, including whether compensation could be awarded.
The total value of the litigation is estimated at £6 billion, and this ruling could affect 1.6 million UK drivers.
If you purchased, leased or financed an affected Nissan or Renault vehicle, you could have a no-win, no-fee claim.
At a glance
*In similar claims against Volkswagen.
If you have purchased, leased, or financed a Renault or Nissan diesel vehicle (manufactured between 2009 and 2020) — new or second-hand — you could be eligible to join the Nissan emissions claim. If you have a claim, and you want to join the group action, register your interest and we’ll connect you with a regulated UK law firm.
Answer a few quick questions to see if you could qualify to join the claim. It only takes a few minutes and helps confirm if you may be eligible.
We’ll show you which regulated UK law firm will handle your claim before any details are shared, so you can review their information and decide if you’d like to continue.
If you choose to proceed, you’ll complete your registration with the law firm. They’ll handle your claim on a no-win, no-fee basis and keep you updated every step of the way.*
July 2026
The High Court delivered its first major liability ruling in the UK Dieselgate litigation. While the court found that certain vehicles contained unlawful defeat devices, it rejected many of the wider allegations made against the manufacturers.
The ruling does not bring the claims to an end. Claimant lawyers say they are considering an appeal, arguing the court adopted a narrower interpretation of emissions laws than courts elsewhere in Europe.
The High Court is due to hold a further trial to consider the consequences of any unlawful defeat devices found, including liability, damages and any compensation that could be awarded to affected motorists.
March 2026
The trial reached its final phase, with closing arguments heard. A judgment expected in summer 2026.
December 2025
The 10-week-long trial concluded.
October 2025
A major trial has begun at London’s High Court. Five leading carmakers — Mercedes, Ford, Peugeot/Citroën, Renault and Nissan — are accused of cheating on emissions tests.
26 May 2025
Four ex-VW bosses are found guilty of fraud in a German court. If it’s proven that other car bosses were involved too, it potentially strengthens the case for more UK drivers to get justice.
September 2024
As a court date has been set, there is a deadline to join a Nissan Renault claim and anyone who wishes to do so must sign up as soon as possible. In September 2024, Money Saving Expert Martin Lewis warned Nissan and Renault owners to take action now.
March 2024
The High Court ruled that Nissan and Renault would join Mercedes and Ford and face trial over alleged emissions cheating.
June 2020
A UK law firm launched a lawsuit alleging defeat devices in Nissan petrol cars.
2015
The global ‘dieselgate’ scandal started when US investigators discovered Volkswagen Group had been selling cars with illegal emissions-cheating software. British researchers then found that other car manufacturers were emitting toxic fumes way above the legal limits.
We’ll provide more updates on the Nissan Renault emissions scandal as they occur.
Find out if you could join a no-win, no-fee Nissan Renault emissions claim. It will only take a few minutes and there’s no obligation to proceed.
Nissan and Renault face legal action for allegedly fitting several of their diesel models with emissions-reducing software. Lawyers for the claimants argue that, as well as the potential impact on the environment and human health, this scandal resulted in significant financial losses to owners of these vehicles, due to:
Renault rejects these allegations and is robustly defending the proceedings.
The brands included in this case include diesel Renault and Nissan vehicles first registered between 2009 and 2020. However, the wider ‘dieselgate’ scandal involves many more car manufacturers.
Dieselgate is the name given to the global emissions scandal involving millions of diesel cars and vans sold by a number of manufacturers.
The claims allege that some manufacturers fitted vehicles with unlawful emissions control software, known as defeat devices, which made the vehicles appear to meet emissions standards during laboratory testing while producing higher levels of harmful nitrogen oxide (NOx) emissions in normal driving conditions.
In the UK, Volkswagen agreed a £193 million settlement with around 91,000 motorists, with average compensation of more than £2,100. Legal claims against several other manufacturers are continuing.
In July 2026, the High Court found that certain manufacturers had used unlawful defeat devices, although it rejected many of the wider allegations. The litigation is ongoing, with further hearings planned and claimant lawyers considering an appeal.
If you owned or leased an affected diesel vehicle, you may still be able to bring a claim, depending on the manufacturer and your circumstance
Lawyers argue that drivers of affected Renault and Nissan vehicles may have experienced higher fuel bills and maintenance costs than was promised. They also believe the cars are likely to be worth less than drivers paid for them. They believe these drivers deserve compensation for the possible harm and injustice experienced. Renault rejects these allegations.
If you have owned or leased an affected diesel vehicle first registered between 2008 and 2020, you could have a NO-WIN, NO- FEE compensation claim. Our simple eligibility checker provides instant clarity. Answer a few straightforward questions, and you’ll know if you qualify for a Renault Nissan emissions group action claim.
Yes. If you bought a used diesel car you may still be eligible for compensation. Try our simple eligibility checker to see if you have a claim.
Yes, if you sold an affected vehicle, you may still be able to join a group action. Try our simple eligibility checker to see if you have a claim.
We cannot say how much compensation you might get if you win your case. Each claim is based on its merits and your solicitor will work to get the money owed to you.
In a similar case against Volkswagen, 91,000 claimants were paid £193 million. The average payout was over £2,100.
In the UK, if a group of people have experienced loss, or otherwise been harmed by an organisation’s law breaking, they can come together to fight for justice. Levelling the playing field when standing up to big businesses, group actions prove there is strength in numbers. At Join the Claim, we bring consumers and law firms together to ensure these group actions are as powerful as possible.
We won’t charge you a single penny. And we ensure any law firms we connect you with operate on a no-win-no-fee basis.
However, fees may apply if you cancel after the cooling-off period or breach your agreement.
If you win, the law firm will either take its fees from your compensation payment or recover them from the defendants.
All terms are clearly explained before joining.
A no-win, no-fee agreement means you don’t pay your solicitor’s legal fees if your claim is unsuccessful. This makes it easier and more affordable to take part in group litigation. However, T&Cs apply.
Want the full picture, including what to check before signing? Read our complete guide to no win, no fee agreements here.
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