Petrol variants of the Audi A4 and A5 are set to be taken off the European market temporarily — with UK models potentially affected.
Changes to its 3.0-litre TFSI V6 and 2.0-litre TFSI four-cylinder engines mean fuel consumption figures have gone above officially quoted numbers, meaning they have gone out of compliance with EU regulations.
The 3.0-litre turbocharged V6, which powers the S4 and S5, received software updates designed with the intention of delivering power more smoothly in automatic and comfort modes, whilst giving dynamic mode a more responsive feel.
As for the 2.0-litre four-cylinder, a mild-hybrid system has been added with the goal of aiding real-world fuel economy. However, Audi admits it has increased figures in the European Union’s official New European Driving Cycle, a test which represents typical driving.
As a result of these increased fuel consumption figures, the German government must re-approve the engines before they can be sold in the European Union with the changes, a process that Audi say could take six to eight weeks.
An Audi UK spokesman said: “We don’t yet know the implications for the UK market, but we will provide further information as soon as possible.”
In an official statement, the company said: “adjustments and necessary certifications may have the effect, that some models or model-engine combinations cannot be ordered, temporarily, or only with restrictions.”
It also added that the S4 and S5 are currently undergoing technical modifications to improve comfort, which may have an effect on fuel consumption.