Currently we are still obliged to provide the NEDC values, regardless of the type approval process used. The additional reporting of the WLTP values is voluntary. As all new cars offered by Porsche are type approved in accordance with the WLTP, the NEDC values are therefore derived from the WLTP values. To the extent that the values are given as ranges, they do not relate to a single, individual car and are not part of the offer. They are intended solely as a means of comparing different types of vehicles. Optional equipment and accessories (attachments, tyre formats etc.) can change relevant vehicle parameters such as weight, rolling resistance and aerodynamics and, along with weather and traffic conditions and individual handling, can affect the fuel/electricity consumption, CO₂ emissions, range and performance figures of a car. here