Audi launches new 313PS Biturbo TDI engine in A6, A7 Sportback models

Article by Christian Andrei, on February 2, 2012

Audi introduces its new 313PS Biturbo TDI engine, which is available for the A6 Saloon and Avant as well as for the A7 Sportback models. This new twin-turbo V6 is noted for being the most powerful six-cylinder diesel engine offered by the Vorsprung durch Technik brand ever.

It is also notable for being the sweetest-sounding. The engine is available in A6 models priced from £43,810 OTR. Its price in the A7 Sportback begins at £51,645 OTR. It integrates the trademark Audi TDI refinement with an exhaust-mounted sound actuator that enables it to provide a powerful 650Nm output to the tune of a distinctly sporting soundtrack.

The latest V6 is ranking above the single-turbo 204PS and 245PS variants of the 3.0 TDI that are already featured in the A6 and A7 Sportback lineups. The new engine has a two-stage turbocharger group that provides a maximum boost pressure of 3.2 bar, aiding the A6 3.0 BiTDI quattro Saloon to accelerate from a standstill to 62mph in 5.1 seconds. The same acceleration is made in the A6 Avant and A7 Sportback, but in 5.3 seconds. All the variants deliver an electronically limited top speed of 155mph.

Just like the current TDI engines, the new V6 is supported by technologies from the Audi modular efficiency platform such as the start-stop and recuperation systems as well as the innovative thermal management system that brings the oil and coolant up to their operating temperatures quickly. With the help of these systems, combined economy in A6 and A7 Sportback models is on an equal footing at 44.1mpg, which is a remarkable number given the low acceleration times and high outputs involved.

With an innovative actuator in the auxiliary channel of the exhaust system, the BiTDI A6 and A7 Sportback models do not sound as if they should be capable of such level-headed economy figures. The actuator system basically consists of a speaker, which enforces a defined oscillation pattern on the exhaust flow and converts the typical TDI exhaust note into a more resonant roar closer to the output of a high-performance petrol engine.

Audi’s A7 Sportback is one innovative and elegant car that comes with graceful and sporty proportions, short overhangs, long hood and wheelbase, and athletically curved exterior contours. This new model marks the next progressive or evolutionary step in Audi’s design language.

The Audi A7 Sportback gives off a powerful presence. Its design calls out for you to touch and enjoy the car. With its low and dynamically accentuated roof line, combined with its well-balanced proportions, the Audi A7 Sportback looks like a coupe. Its rear doors are integrated smoothly into its silhouette, too. What’s more, the car’s design is consistent and it reflects the aesthetics of modern and advanced technology in each of the car’s details, including its precisely drawn lines, its athletically curved surfaces, its engine compartment, and even its wheels.

Up front, you will see the large single-frame grille with six corners, similar to that of Audi's A8 flagship, giving the car a more dynamic appearance. The grille’s slats come in a high-gloss black finish, accentuated with chrome applications – all an expression of great quality. The car’s horizontal posture and its low and wide air inlets design both emphasize the car’s width.

As always, the Audi A7 Sportback’s headlights are small and are technical works of art illustrating the brand’s advantage in lighting technology. These headlights have a flat contour, which widens laterally and which shifts optical focus outward. Meanwhile, the car’s lower edge forms a wave, with the classic Audi wing structuring the interior.

Additionally, the Audi A7 Sportback has standard xenon headlights featuring integrated all-weather lights. Also available as an option is the adaptive light system, which offers appropriate lighting as you drive in the city, as you turn, as you go on inter-urban roads or go on the highway. The car also has continuous headlight range control, allowing it to detect other vehicles and to adjust its lights smoothly.

Press Release

New Bi-Turbo TDI Packs Even More Pnuch Iinto Audi A6 And A7 Sportback

The most potent Audi V6 TDI ever to enter production powers executive class Audi models to 62mph in a fraction over five seconds and returns up to 44.1mpg

- Advanced new biturbo TDI engine heads diesel line-up in A6 Saloon, Avant, allroad quattro and A7 Sportback ranges – OTR prices from £43,810
- Available now in A6 Saloon and Avant and A7 Sportback, and later in 2012 in A6 allroad – first deliveries in spring
- 313PS from 3,900-4,500rpm, 650Nm from 1,450 to 2,800rpm
- A6 Saloon 3.0 BiTDI quattro – 0-62mph in 5.1 seconds, governed 155mph top speed, combined MPG 44.1, CO2 169g/km
- Sound actuator in exhaust system accompanies remarkable performance with sports car exhaust note

Knockout punch in a velvet glove comes courtesy of a formidable new 313PS Audi biturbo TDI engine, which is now available for A6 Saloon and Avant and A7 Sportback models. The new twin-turbo V6 is notable not only for being the most powerful six-cylinder diesel engine ever offered by the Vorsprung durch Technik brand, but also the sweetest-sounding. Available now in A6 models priced from £43,810 OTR, and from £51,645 OTR in the A7 Sportback, it combines trademark Audi TDI refinement with an exhaust-mounted sound actuator that enables it to deliver its mighty 650Nm output to the tune of a distinctly sporting soundtrack.

Slotting in above the single-turbo 204PS and 245PS versions of the 3.0 TDI that already feature in the A6 and A7 Sportback ranges, the latest V6 has a two-stage turbocharger group that delivers a maximum boost pressure of up to 3.2 bar, helping the A6 3.0 BiTDI quattro Saloon to lunge at the horizon and pass the 62mph marker in as little as 5.1 seconds, and the A6 Avant and A7 Sportback to do the same in just 5.3 seconds. An electronically limited top speed of 155mph is common to all versions.

Like the existing TDI engines, the new star performer is backed up by technologies from the Audi modular efficiency platform, including start-stop and recuperation systems and the innovative thermal management system that quickly brings the coolant and oil up to their operating temperatures. With their help, combined economy in A6 and A7 Sportback models is on an equal footing at 44.1mpg – an impressive figure given the high outputs and low acceleration times involved.

Sound actuator

Thanks to an innovative actuator in the auxiliary channel of the exhaust system, the BiTDI A6 and A7 Sportback models don't sound like they should be capable of such level-headed economy figures. The actuator system essentially consists of a speaker which imposes a defined oscillation pattern on the exhaust flow and transforms the typical TDI exhaust note into a more sonorous roar that is closer to the output of a high-performance petrol engine.

Without exception, power is transmitted from the BiTDI engine via an eight-speed tiptronic transmission to the latest generation quattro all-wheel-drive system, which features a self-locking centre differential and torque vectoring for optimum traction and stability. A sport differential which distributes power in continuously variable proportions between the rear wheels is available from the options list to sharpen and quicken response even further.

The mighty new BiTDI engine is available in conjunction with SE and S line specification in the A6 Saloon, A6 Avant and A7 Sportback. The forthcoming A6 allroad quattro, due to open for order in February, will also offer this exceptional unit.

Stand-out features common to all these models include satellite navigation linked to a 6.5-inch retractable colour monitor, Milano leather upholstery, the Audi drive select adaptive dynamics system controlling throttle response, transmission shift points and steering feel, the Audi parking system plus, light and rain sensors, cruise control and keyless go push-button engine ignition.

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