The long-running Dieselgate saga has taken another dramatic turn as the UK’s largest-ever consumer class action edges closer to court. With billions of pounds potentially at stake, and millions of drivers affected, the case continues to grip both the legal world and the public. Despite some turbulence behind the scenes, one thing is certain — you can still join the class action and could be entitled to thousands of pounds in compensation if it succeeds.
Changing Lead Solicitors
The case, which brings together claims against major car manufacturers accused of cheating emissions tests, has seen fresh changes in leadership. The law firm Leigh Day will now take on the central role in steering the litigation, after Pogust Goodhead applied to step aside as co-lead solicitor. This move follows months of internal upheaval at Pogust Goodhead but brings renewed clarity about who will be leading the charge for claimants as the case advances.
For drivers, this consolidation under Leigh Day should provide greater stability and focus. The firm has extensive experience in large-scale consumer and environmental claims and has been deeply involved in the Dieselgate litigation from the outset. Its continued presence ensures that the case — already joined by more than 1.5 million motorists — remains firmly on track.
The Battle Over Costs
In another twist, the High Court has sharply reduced the claimants’ budget from around £208 million to £52 million after rejecting the idea that 30 lawyers were needed in court. The High Court also reduced and the defendants’ budget from £212 million to £114 million. Judges made it clear that the scale of this litigation does not give license for unchecked spending. The decision sends a strong message to all parties: efficiency and proportionality will be critical as the case moves forward.
For those joining the claim, this intervention by the court is reassuring. It means the system is keeping a close watch on costs, reducing the risk that excessive legal fees could dilute potential compensation for claimants. It also signals a more disciplined approach to what has become one of the UK’s most complex group actions — one that will have ripple effects across the legal landscape.
Why You Should Join the Action
The core issue in the Dieselgate litigation remains simple but far-reaching. Manufacturers are accused of fitting “defeat devices” — software designed to cheat emissions tests by reducing pollution only under test conditions. This practice, if proven, would mean millions of drivers were misled into buying vehicles that emitted far more pollutants than claimed.
In similar cases around the world, automakers have already been forced to pay billions in fines and compensation. The UK case could deliver similar outcomes. For many drivers, that could mean payouts in the thousands of pounds, depending on their vehicle, ownership period, and mileage. The legal framework for group claims means that by joining now, individuals can still become part of this historic action without bearing the full costs of litigation themselves.
A Delay, But Not a Derailment
While the courtroom showdown was originally due to begin on 6 October 2025, proceedings have now been postponed until later this month. The delay gives the legal teams additional time to finalise preparations and for Leigh Day to fully assume its leadership role. Although frustrating for those eager for resolution, the postponement does not weaken the claim or its momentum — in fact, it could strengthen the case’s overall coordination.
For motorists considering joining, the delay serves as an unexpected opportunity. The window remains open, allowing more people to sign up before the first phase of the trial begins. Those who act now can still stand to gain substantial compensation if the court finds that manufacturers misled consumers.
What Happens Next
The stage is now set for one of the most consequential consumer trials in UK history. The upcoming proceedings will test not only the integrity of major car brands but also the ability of collective legal actions to deliver justice for ordinary consumers. With Leigh Day at the helm, costs under judicial control, and millions of pounds potentially flowing back to affected drivers, the Dieselgate case is entering a decisive phase.
If you owned or leased a diesel vehicle from manufacturers such as Mercedes, Ford, Renault, Volkswagen, or others implicated in the scandal, you may still qualify to join. Doing so could secure you a share of what could be a multi-billion-pound outcome. This may be your last chance to take part before the trial resumes — and the curtain finally rises on this high-stakes legal showdown.
I’ll keep you updated with what is happening in this legal case as it unfolds, hopefully the real trial will begin next week.
Thanks all,
Richard Winstone
The Regulator Guy.