Volkswagen has failed to meet new emissions standards in time for the September 1 deadline.
Volkswagen customers may have to wait until February to take delivery of their new car after just half of the firm’s new models met new emissions standards, Autocar has reported.
Under the Worldwide Harmonised Light Vehicle Test Procedure (WLTP), all new cars sold from September 1 are required to fulfil tough new regulations.
The Golf is among the cars that don’t have full approval.
Thomas Zahn, VW’s head of sales and marketing for Germany, said: “The new tests are more cumbersome and take two to three times longer than in the past.
“Even limited edition models need to be tested separately.
“The coming months will be challenging for us.”
Other Volkswagen Group manufacturers have also been affected by the delay.
According to Audi’s website, the A1, A6 saloon and Avant and the A7 sportback all have certain engines approved under WLTP, while the majority of their models are waiting to be certified.
Seat and Skoda said they are restricted from releasing the names of models facing delays, while Porsche has suspended orders for its entire engine range.