Audi R8 2.9-litre V6 spotted testing ahead of 2018 launch

Audi R8 2.9-litre V6 spotted testing ahead of 2018 launch

Audi is set to introduce a turbocharged V6, shared with the Porsche Panamera in four new performance cars, including a new R8 model

An Audi R8 has been spotted testing on the continent using a V6 engine, which will be offered in a new entry-level variant to be launched next year.

The twin-turbocharged 2.9-litre V6 petrol unit is the same as the one used in the Porsche Panamera, Audi RS4 and RS5, and it’s also due in the next Q5 RS.

It’s a 90deg engine that has been developed in a joint venture by Audi and Porsche as part of a new modular engine family known under the working title KoVoMo.

The new turbocharged V6 motor fills the void left by Audi’s older, naturally aspirated 4.2-litre V8 petrol engine. Audi’s V8 has not been offered with the Mk2 R8 because of what Ingolstadt officials describe as a combination of the high costs of updating it to meet future emissions standards and concerns in markets such as China, where road tax is linked to engine capacity.

In the latest Panamera 4S, the new V6 engine delivers 434bhp at 5650rpm and 405lb ft of torque between 1750rpm and 5500rpm when running a relatively low 0.4bar of turbocharger boost pressure.

With subtle tweaks, including greater boost, the joint-venture engine is claimed to offer more than 500bhp and up to 500lb ft, although it has yet to be confirmed what output Audi has settled on for its quartet of new performance models. Audi officials have told Autocar that the V6 unit will come with more than one power output.

The new 2.9-litre engine differs in capacity from the slightly larger, 3.0-litre version of the joint-venture V6 recently launched by Audi in the new S4.

Further differentiation is found in the induction system, with the S4’s engine using a single twin-scroll turbocharger and the 2.9-litre version getting twin turbochargers.

The only visual cues to differentiate the V6 model from its V10 sibling, according to the spotted development car, will be smaller exhaust baffles hidden behind the rear grilles. The former has been made possible due to the V6’s lower volume.



Source: Autocar Online

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