What Euro 7 Emissions Rules Mean for Drivers Buying a New Car From November

If you are planning to buy a brand new car late this year or in 2027, a major change to the rules that govern what comes out of the exhaust, and increasingly what comes off the brakes and tyres, is about to arrive. The Euro 7 emissions standard takes effect for newly approved models from 29 November 2026, and it is the strictest set of limits Europe has ever applied to road vehicles. It will not force anyone to scrap a car they already own, but it will shape the price, the specification and the long term running costs of the next car millions of drivers buy.

Here is the plain English version of what is coming, what it could add to the price of a new car, and the steps worth taking before you sign for your next vehicle.

What Changes on 29 November 2026

Euro 7 is the successor to the long running Euro 6 standard that has applied to new cars since 2015. From 29 November 2026 it applies to brand new model types that need fresh approval, meaning vehicles being signed off for sale for the first time. By the end of November 2027 every new car and van on sale, including existing models, will have to meet the standard or be withdrawn. The timeline is staggered on purpose, giving manufacturers a year to bring their full ranges into line.

The headline point for drivers is simple. Euro 7 applies only to new vehicles approved or sold after those dates. It is not retroactive. If you own a Euro 6 petrol or diesel car today, nothing about your car becomes illegal, your road tax does not change because of Euro 7, and you do not need to do anything. The standard governs what carmakers are allowed to sell, not what you are allowed to drive.

What does change is the depth of the testing. Euro 7 keeps tight limits on nitrogen oxides and particulate matter from the tailpipe, but it also widens the conditions under which cars are tested. Manufacturers will have to prove their cars stay clean during short trips, in high summer temperatures and across a far longer service life than before. Under Euro 7 a car must keep meeting its emissions limits for 10 years or 124,000 miles, double the previous durability requirement of 5 years or 62,000 miles. In practice that pushes engineers towards more durable catalysts, particulate filters and sensors.

Why Your Next Car Could Cost More

Cleaner cars are rarely cheaper cars, at least at the point of sale. The European Commission has estimated that meeting Euro 7 will add around £264 to the cost of a typical new petrol or diesel car, the price of the extra hardware needed to keep emissions inside the tighter limits across a longer lifespan. Some industry groups argue the real figure for complex vehicles could be higher once development and testing are taken into account.

For most buyers this will not arrive as a separate line on the invoice. It will be folded into list prices and monthly finance quotes over the next two years. With the average new car already costing far more than it did before the pandemic, and with finance deals stretched over longer terms, even a few hundred pounds of added cost feeds through to higher monthly payments. Drivers who buy through Personal Contract Purchase will feel it in the deposit and the monthly figure rather than as a one off.

There is a flipside. The longer durability requirement is designed to keep emissions equipment working properly for the life of the car, which should reduce the risk of expensive failures of components such as particulate filters in later years. Drivers who have faced large repair bills when a filter clogs will know how costly that can be, as set out in our guide to how a faulty diesel particulate filter can fail your MOT and cost £1,000.

The First Rules for Brake and Tyre Pollution

The most significant shift in Euro 7 is that it looks beyond the exhaust pipe for the first time. It introduces the first worldwide limits on particle pollution from brakes, and rules around microplastics shed by tyres. These so called non exhaust emissions have become a growing share of the pollution from road transport, and they affect every vehicle, including fully electric models that produce nothing from a tailpipe.

Research by Imperial College London has warned that more than six million tonnes of tyre wear particles are released globally each year, and that in London alone around 2.6 million vehicles shed roughly nine thousand tonnes of tyre particles annually. Those particles end up in the air, in water run off from roads and in the wider environment. By setting limits on brake dust and addressing tyre wear, Euro 7 starts to tackle a source of pollution that earlier standards ignored entirely. For drivers it points to a future of harder wearing, lower shedding tyre compounds and brake materials, which may carry their own price.

What Euro 7 Means for Used and Electric Car Buyers

Euro 7 also brings a change that should help anyone buying a second hand electric car. The standard requires new EVs to carry an accurate, accessible battery health monitor, so the condition of the battery can be read in a standardised way. At the moment, judging how much life is left in a used EV battery is one of the hardest parts of the purchase, and uncertainty drives down values. A clear, comparable battery health readout would let buyers see what they are getting and pay a fair price, and would protect sellers of well kept cars.

For the used market more broadly, the arrival of Euro 7 is unlikely to dent the value of today’s Euro 6 cars in the short term. Those vehicles remain legal, taxable and usable in clean air zones if they already comply. If anything, higher prices on new Euro 7 models could support used values by keeping demand strong, at a time when many owners are already finding their cars worth less than they expected, as we reported when millions of drivers owe more than their car is worth as used values tumble.

What To Do Before You Buy

If you are buying in the next few months, ask the dealer whether the model you want is already Euro 7 approved or still on the Euro 6 standard. Neither is a problem to own, but it helps to know what you are paying for. If a price has risen between quotes, ask how much of the increase relates to emissions equipment so you can compare deals fairly.

If you are buying a used electric car before the new battery health rules feed through, request an independent battery health check rather than relying on the dashboard range estimate. And whatever you drive, keeping tyres correctly inflated and replacing them with quality rather than budget options reduces both wear particles and running costs, and keeps you the right side of the law. Drivers who cut corners on rubber are already at risk, as our report on the six million illegal tyres on UK roads made clear.

Euro 7 is a long term shift rather than an overnight shock. For the cars on the road today it changes nothing. For the cars being designed now, it means cleaner running, longer lasting emissions equipment, the first real attempt to control brake and tyre pollution, and a modest rise in price. Knowing that before you walk into a showroom is the best way to make sure you pay for what you actually need.

Sources:

• https://www.rac.co.uk/drive/advice/emissions/what-is-euro-7-and-when-does-it-start/
• https://www.gov.uk/government/consultations/updating-the-minimum-emission-standard-for-new-road-vehicles/updating-the-minimum-emission-standard-for-new-road-vehicles
• https://www.carwow.co.uk/guides/running/euro-7-emission-standards-explained
• https://www.rac.co.uk/drive/news/motoring-news/drivers-could-soon-face-paying-a-tyre-tax-to-help-tackle-emissions/