
Why are UK car sales plummeting?
UK new car sales have nosedived. Even sales for September – the most crucial month of the year as new numberplates come in – were down a staggering 20.5% versus...

BMW, Daimler and VW Group to be investigated over possible emissions collusion
BMW, Daimer and Volkswagen Group (VW, Audi and Porsche) are under investigation by the European Commission for potentially limiting the roll-out of car emission control technologies. Find out how to buy a cleaner car.

Which? tests reveal the most polluting cars and the most economical
We've discovered diesel cars that produce fewer harmful NOx emissions than the average petrol car. Plus two petrol-hybrids that are as fuel efficient as a diesel car on the motorway.

Daimler forced to recall Mercedes cars over diesel emissions
Daimler, parent brand of Mercedes Benz, has been ordered to recall 238,000 cars sold in Germany. The country’s motoring watchdog, the KBA, determined that it has used illegal software to...

Thousands of diesel Porsche cars recalled due to emissions cheat
German authorities have issued an EU-wide recall of more than 60,000 Porsche cars that have defeat device software installed, similar to the Volkswagen ‘dieselgate’ scandal of 2015. Due to the...

Audi emissions recall: UK cars affected
Two weeks after Audi was ordered to recall thousands of its vehicles by German automotive watchdog KBA, Audi has now confirmed to Which? that UK car owners are also affected....