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  1. DRIVING IN THE REAL WORLD

    A guide to WLTP:
    the new standard for fuel efficiency ratings.

    • Vehicle testing is an aid to understanding the real world, just as maps are a guide to understanding a journey. As maps have improved — moving from the A-Z to sat-navs and providing clearer directions in the process — the new WLTP and RDE tests, for fuel consumption and emissions, will provide greater clarity when buying a new vehicle.

      By September 2018, the new European WLTP (Worldwide Harmonised Light Vehicle Test Procedure) standard will be in place. WLTP replaces the current NEDC (New European Drive Cycle) standard, providing fuel efficiency ratings for petrol, diesel, electric and hybrid vehicles. When buying a brand new vehicle, you will find the information a better reflection of the mileage you would get from a single tank (or charge) in the real world.

      Vehicles with petrol, diesel and hybrid engines (MHEV or PHEV) will come with emissions figures, in addition to their fuel consumption. Electric vehicles, in addition to their range, will also include figures for their energy consumption. The tests to provide these figures will be in place for all vehicles by September 2018.

      We won’t change — with outstanding performance and cutting-edge technology, Jaguar vehicles will remain a showcase for the finest in design and engineering. The new figures will simply better demonstrate the real-world experience that our engines and powertrains provide.

      The new tests are designed to better reflect current engine technology. NEDC was last updated in 1997, when the first generation of modern hybrid vehicles became widely available. Two decades later and — in addition to PHEV and MHEV vehicles — electric vehicles, like our own Jaguar I‑PACE, are on the roads. The tests for NEDC were not designed for these kinds of vehicles, WLTP addresses that.

      One way of addressing NEDC’s shortcomings is with extended testing. NEDC tests lasted for around 20 minutes. The new WLTP test will be 30 minutes long and, in addition to testing your vehicle, the effect of optional equipment, such as factory-fit accessories, will also be tested.

      Of course, these tests are an initial guide. Real-world usage is affected by a number of factors including the terrain, the climate and your driving style. In September 2019, you will see additional figures introduced as new on-road tests come into effect. These will also measure nitrogen oxide (NOx), particulates and other exhaust emissions.

      WLTP will differ from NEDC in providing additional information to help you make an informed decision when buying a vehicle. The new tests are more demanding and won’t be a like-for-like comparison to the older figures. WLTP fuel consumption and carbon dioxide (CO2) figures will be more accurate but will appear higher when compared to NEDC and, similarly, electric vehicles will appear to have a comparatively lower range.


      WHEN WILL THE CHANGE TO WLTP TAKE EFFECT?

      All completely new vehicles produced from September 2017 are tested using WLTP. However, the EU introduced a transition period, meaning that it won’t be until September 2018 that we, and other vehicle manufacturers, are obliged to test pre-existing models with these new standards. The new standard will come into effect for EU countries as well as for Switzerland, Turkey, Norway, Liechtenstein and Israel.

      September 2018 will also see Real Driving Emissions (RDE) testing become compulsory within those same countries. RDE testing will measure particulates and nitrogen dioxide (NO2) emissions directly on the road. We already comply with the low threshold limit values of the EU6d RDE standard. By 2020, you will see the new test figures for WLTP and RDE communicated throughout the EU and other countries opting-in to the new standard.

    1. OUR VEHICLES

      The perfect fit for your lifestyle, driving style and personal tastes.

      JAGUAR RANGE

      Discover how Jaguar is made for you.

      EXPLORE OUR VEHICLES
      NEW ALL‑ELECTRIC JAGUAR I‑PACE

      The ultimate all‑electric performance SUV.

      EXPLORE THIS VEHICLE
      ELECTRIFICATION

      What we learn on the track, we bring to the road.

      FIND OUT MORE
© JAGUAR LAND ROVER LIMITED 2016

Registered Office: Abbey Road, Whitley, Coventry CV3 4LF
Registered in England No: 1672070


The fuel consumption figures provided are as a result of official manufacturer's tests in accordance with EU legislation.
A vehicle's actual fuel consumption may differ from that achieved in such tests and these figures are for comparative purposes only.

The information, specification, engines and colours on this website are based on European specification and may vary from market to market and are subject to change without notice. Some vehicles are shown with optional equipment that may not be available in all markets. Please contact your local retailer for local availability and prices.