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Home >> Audi >> 2020 >> S4 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Wheels, Tires And Wheel Alignment (Wheel And Tire Guide General Information)) >> 44 Wheels, Tires And Wheel Alignment >> Wheel And Tire Guide, Guidance On The Application >> NEFZ, WLTP And RDE >> Since When Do WLTP And RDE Apply?

Since When Do WLTP And RDE Apply?

WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

From September 2017 there is a successive switch to WLTP and RDE. From September 2018 the WLRP test procedure is required for all new vehicles as well as the limiting particle numbers (PN) in RDE. From September 2019 a RDE threshold for nitrogen oxide (NOx) is required for all new registrations.

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