Volkswagen reveals new 6-liter W12 TSI at the Vienna Motor Symposium

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Based on the W12 concept, the Volkswagen Group has deployed engines that have been implemented in premium models from Volkswagen, Audi and Bentley for some 13 years now. The next-generation W12 TSI, presented at this year’s Vienna Motor Symposium earlier this month, is a particularly tech-heavy power unit.

For example, as part of the improvements and new developments, two combustion methods that have to date been used in parallel – Audi’s FSI direct injection and Bentley’s TMPI multi-point injection – were combined, together with other new or optimized systems and components, to form the successful TSI process. The scope of development also included cylinder bores with APS coating, an oil circuit suitable for off-road use with a switchable oil pump, a cooling system with integrated temperature management, dual fuel injection with high-pressure direct and low-pressure manifold injection, twin-scroll biturbo charging, individual cylinder bank deactivation (on the left in the direction of travel), engine management with two controllers, as well as a start/stop system that reduces fuel consumption and emissions.

Adaptive engine suspension with hydraulic basic damping, which uses electromagnetic actuators to counteract vibrations induced by the engine with phase-shifted counter-vibrations, contributes to premium-quality driving comfort.

The technological elements used make the new W12 TSI, VW claims, the most economical 12-cylinder engine in the luxury car segment. CO₂ emissions of less than 250g/km in the NEDC – at a power of 608ps (6,000 rpm) and a maximum torque of 900Nm (1,500-4,500rpm) – demonstrate a combination of efficiency and performance. Depending on the vehicle model, the 6-liter 12-cylinder engine delivers acceleration values of 0-100 km/h in less than four seconds and top speeds of over 300km/h.

May 14, 2015

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Dean has been with UKi Media & Events for over a decade, having previously cut his journalistic teeth writing and editing for various automotive and engineering titles. He combines extensive knowledge of all things automotive with a passion for driving, and experience testing countless new vehicles, engines and technologies around the world. As well as his role as editor-in-chief across a range of UKi's media titles, he is also co-chair of the judging panel of the International Engine + Powertrain of the Year Awards.

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