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Porsche has used the the Vienna Motor Symposium to unveil a new twin-turbocharged V8 petrol engine that will power future versions of its Panamera Turbo and Cayenne Turbo models.

The new powerplant is part of a range of modular V6 and V8 engines developed by Porsche and Audi, and will soon feature in numerous other Volkswagen Group models from Audi, Bentley and Lamborghini.

Sharing its modular construction and other yet-to-be-detailed components with the 3.0-litre turbo V6 that drives the recently-revealed Audi S4, the new Porsche engine features perfectly square bore and stroke measurements of 86.0mm. The new engine boasts a swept volume of 3996 cubic centimetres.

audi and porsche V6 engines

By comparison, the current 4.8-litre turbocharged V8 used in the Panamera and Cayenne Turbo variants features 96.0mm bore and 83.0mm stroke measurements.

The reduction in displacement allows the future Panamera Turbo and Cayenne Turbo to undercut the 4.0-litre tax threshold in China, one of Porsche’s most important markets.

Producing 542bhp (404kW) of power and 769Nm of torque, the new Porsche V8 produces slightly less power but significantly more torque than the similarly-sized 4.0-litre twin-turbo V8 that currently serves in the Audi RS6 and RS7.

Porsche Panamera Turbo S - 1
Above: Porsche Panamera

Autocar reports that Porsche officials have suggested that even more powerful versions of the new V8 will drive upcoming Panamera and Cayenne Turbo S models, producing up to 600bhp (447kW) of power and over 800Nm of torque.

Other features of the new engine include a cylinder deactivation system, which can shut off four cylinders between 950rpm and 3500rpm to achieve a 30 per cent reduction in fuel consumption.

Reports claim that Porsche has also said that the new engine has been developed for hybrid applications, pointing to even electric (pardon the pun) levels of performance such as that seen in the 918 Spyder hypercar – perhaps the rumoured Porsche 960 supercar.

2017_porsche_cayenne_05
Above: Porsche Cayenne

The new modular engine will be used with the Audi-developed MLB modular architecture along with Porsche’s own MSB platform. While the former supports front- and four-wheel drive applications, the latter allows for rear- and four-wheel drive.

Porsche has reportedly confirmed that the new V8 will be mated to an eight-speed automatic in MLB applications, while a new eight-speed dual-clutch unit will be partnered with vehicles on the MSB platform.

Following the future Porsche Panamera and Cayenne, the new engine is also destined to power a wider range of models across the Volkswagen Group, with the Audi A6, A8, Q7, the upcoming Q8, Lamborghini Urus, Bentley Bentayga and Continental all candidates to receive the Porsche-developed V8.

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