To gauge the impact of WLTP, an Autocar survey of car firms revealed that, while most were expecting no issues or delays due to WLTP, several have been forced to suspend production or axe models to meet the new rules.
Volkswagen Group brands have been particularly affected by the change in tests. Audi, Seat, Skoda and VW all issued a similar statement that they are restricted from disclosing exactly which model linesare due to change or are experiencing delays.
Several key VW models have had their emissions or fuel consumption ratings changed by the WLTP tests. The emissions and fuel consumption of the VW Up GTI were increased to 127-129g/km and 42mpg from 110g/km and 49mpg. The Golf R’s power output has been reduced from 306bhp to 296bhp due to WLTP, a decline understood to be due to a more restrictive exhaust system to cut NOx emissions. The Seat Leon Cupra R will also have its output reduced by 10bhp.
New WLTP emissions test could force heavy discounts on unsold cars
Several models have been suspended from sale or withdrawn because of the new test. Porsche suspended orders for its entire range due to the WLTP switch and has yet to confirm the engine range for its recently revised Macan.
The most notable car removed from sale is the VW Golf GTI, which won’t be replaced, with the next-gen model due next year. The Audi SQ5 is suspended and the 1.4-litre TFSI-engine Audi A4 has been replaced with a 2.0-litre TFSI unit with the same power output.
Skoda’s range-topping Superb has had its output cut from 276bhp to 268bhp, and the 1.4-litre TFSI Kodiaq engine has been swapped for a 1.5-litre version.
The delays in switching production to WLTP-compliant cars has caused deliveries to fall behind: Seat sources estimate a four-to-eight-month wait for bestselling models.
Elsewhere, Peugeot halted production of the 308 GTi 270 in May and build of a WLTP- compliant version will not resume until October. Similar production suspensions have affected 128bhp and 163bhp versions of the 2008, 3008 and 5008.
Who will be affected by WLTP?
Autocar asked car manufacturers whether their ranges were ready for the new tests.
READY:
Alfa Romeo, BMW, Citroën, Dacia, Fiat, Ford, Honda, Hyundai, Infiniti, Jaguar, Jeep, Kia, Land Rover, Lexus, Mazda, Mini, Mitsubishi, Nissan, Renault, Ssangyong, Suzuki, Toyota, Vauxhall, Volvo
CHANGES REQUIRED OR PRODUCTION AFFECTED:
Audi, Peugeot, Porsche, Seat, Skoda, Volkswagen
DECLINED TO COMMENT:
Mercedes-Benz, Smart
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New WLTP emissions test: when it’s in force and how it could affect your car
New WLTP emissions test could force heavy discounts on unsold cars