Audi A6 e-tron Concept

Concept Cars 22 Apr 2021
Audi A6 e-tron Concept

Unveiled at Auto Shanghai 2021, the four-door Audi A6 e-tron concept is based on the new Premium Platform Electric (PPE) platform and anticipates a family of fully electric  production cars.


From the official Press Release:

Expected to begin in late 2022, the first production cars in the C- and later also B-segment will be relaunched with PPE technology, including – a first in the market for electric vehicles – both SUVs with a high ground clearance and dynamically styled models with a lower ride height, such as the upcoming Audi A6 e-tron.

Audi A6 e tron Concept

Sporting the Audi A6 emblem, the concept car represents an entirely new design concept – the only thing it has in common with the current A6 are its dimensions. The 4.96-meter-long, 1.96-meter-wide, and 1.44-meter-high body is designed as a Sportback, and its lines are an obvious reflection of the systematic advancement of Audi’s current design language.

Audi A6 e tron Concept

Depending on the selected drive system and model version, an Audi A6 e-tron is expected to boast a range of more than 700 kilometers (based on the WLTP standard) in the future – and the most powerful member of the family are anticipated to sprint from 0 to 100 km/h in less than four seconds.

Design

Based on its dimensions, the Audi A6 e-tron concept is clearly a representative of the luxury class – 4.96 meters in length, 1.96 meters in width, and 1.44 meters in height, the same as the current members of the Audi A6/A7 series. With its dynamic proportions and elegant lines, including the fastback design typical of the brand.

The Audi A6 e-tron concept has a Cd value of just 0.22  – unprecedented in the electrified C-segment.

Audi A6 e tron Concept

Large 22-inch wheels and short overhangs, the flat cabin, and the wide coupe roof arch give the vehicle proportions distinctly reminiscent of a sports car. The absence of hard edges results in smooth transitions between convex and concave surfaces throughout the body, as well as in soft shadows. The Audi A6 e-tron concept appears monolithic, as if from a single mold – particularly when viewed from the side.

Audi A6 e tron Concept

The slope of the rear side window is a typical feature of Audi Sportback window design; as a result, the D-pillar rises up from the stable base of the vehicle’s rear end in an especially streamlined manner. The eye-catching quattro wheel arches effectively accentuate the width of the body and are simultaneously integrated organically into the side surfaces.

Audi A6 e tron Concept

The wheel arches are connected by the specially sculpted battery area above the rocker panel, which is highlighted with a black inlay – a design element that is now a hallmark of the Audi brand’s fleet of electric vehicles. Also typical of Audi e-tron models are the sleek, camera-based virtual exterior mirrors at the base of the A-pillar.

Audi A6 e tron Concept

Looking at the front, it is immediately apparent that the Audi A6 e-tron concept is an electric-powered representative of the brand with the four rings. A characteristic feature is the large enclosed Singleframe grille, which is bordered at the bottom by deep air intakes for cooling the drivetrain, battery, and brakes. The flat headlight bezels extend far into the sides of the laterally sweeping front end, underscoring the horizontally aligned architecture of the vehicle body.

Audi A6 e tron Concept

The influence of the wind tunnel on the rear end is unmistakable. The upper rear end is shaped to create an aerodynamically functional breakaway edge. And in the lower section, the rear diffuser’s generously sized air outlet is integrated into the spoiler area. This element channels the air that flows under the vehicle in a manner that reduces turbulence – a perfect combination of reduced aerodynamic drag (i.e. the Cd value) and minimized lift.

Audi A6 e tron Concept

“Heliosilver” is the name of the technoid-looking color of the paint, which in turn adds aesthetic presence and functionality to the appearance of the Audi A6 e-tron concept. The paint accentuates the shapes of the body with a three-dimensional depth effect, which is particularly visible in the area around the quattro wheel arches. In the front end, the Singleframe grille, also in Heliosilver, forms a striking contrast to the deep matte black color of the frame. This stark contrast also accentuates the horizontally oriented proportions in the rocker panel sections on the sides of the vehicle.

Audi A6 e tron Concept

Audi A6 e tron Concept

Audi A6 e tron Concept

Audi A6 e tron Concept

Audi A6 e tron Concept

Audi A6 e tron Concept

In addition to its breathtaking appearance, the paint also offers tangible technical benefits that can help reduce energy consumption. This is because it can reflect a significant percentage of the thermal radiation in sunlight, thus reducing the amount of energy that enters the car’s body and, above all, its interior. The result is that in many situations, the occupants may not need to use the air conditioning to maintain a constant level of comfort – which is one of the main factors that has an impact on energy consumption in addition to the drive system. This could benefit the vehicle’s range– over every mile and even when stopped at traffic lights.

Lighting technology

The flat headlights and taillights are slim and flush with the overall composition of the lines. Digital Matrix LED and digital OLED technology makes it possible to achieve maximum brightness and a wide range of features even with a minimal surface area, while at the same time offering customizable light signatures. The team of Audi lighting designers and developers has once again done an amazing job – this concept car packs a host of new features and personalization options into its lighting units.

Three small, high-resolution LED projectors are built in into each side of the body, transforming the ground beneath them into a stage when the doors are opened – small extended dynamic lighting effects greet the occupants with messages in their own language. At the premiere in Shanghai, this means in Chinese characters, of course.

The combination of safety features and aesthetic design has always been of particular importance to Audi. That’s why the small, high-resolution projectors also display warning symbols on the ground – to warn a bike rider that the car door is about to open, for example.

Another four high-resolution LED projectors – inconspicuously integrated into the corners of the vehicle – generate turn signal projections. The design of these projections can be modified to address different markets and approval regions as required.

The Digital Matrix LED front headlights achieve almost cinematic quality. If, for example, the Audi A6 e-tron concept is parked in front of a wall during a break to recharge the battery, the driver and passengers can pass the time playing a video game projected onto it. Instead of on a small screen in the cockpit, they’ll see their respective game’s virtual landscapes projected onto the wall in XXL format – and all this via the Digital Matrix LED headlights. Players can stand next to or directly in front of the vehicle for a particularly good view of the game, which is several meters wide. Players control the game via smartphone. And even the game itself is an Audi product – Audi designers conceived and developed it especially for the Audi A6 e-tron concept!

The rear end of the concept car features a new generation of digital OLED elements that, as a continuous strip of lights, act like a display. They can also be used to create almost unlimited customizable variations of digital light signatures and dynamic lighting displays that can be adapted to the customer’s personal taste.

One new feature in the taillights is the three-dimensional architecture of the digital OLED elements, that – adapted to the shape of the body – makes it possible to perfectly integrate the night design into the overall look. This makes it possible to experience the dynamic light show not only in two dimensions – as was previously the case – but with an impressive, 3D spatial effect.

And it goes without saying that the combination taillights, like the headlights, meet their developers’ requirements when it comes to the traditional functions of vehicle lighting, namely seeing and being seen – in the front, a clearly and brightly illuminated road with headlights that intelligently adapt to the traffic situation, weather, and surroundings, as well as communicate with other road users. In the rear, the ultrabright, homogeneous, and high-contrast digital OLED combination taillights can particularly and significantly increase the level of safety on the roads of the future.

In addition, the projections around the vehicle allow its communication range to be extended beyond the vehicle for the first time. With the help of intelligent connectivity in the vehicle, the A6 e-tron concept provides information to other road users with visual signals.

PPE Platform

The PPE is designed exclusively for battery-electric drive systems and can therefore take full advantage of all the benefits of this technology. The key element of the future PPE fleet is a battery module between the axles that holds around 100 kWh of energy in the A6 e-tron concept. The use of the entire vehicle base makes it possible to achieve a relatively flat layout for the battery. This means that for the first time, it will be possible to use this single platform for both vehicles with a high ground clearance and vehicles with a decidedly dynamic, flat architecture – such as the Audi A6 e-tron concept – without any changes to the basic architecture.

The battery size and wheelbase of PPE vehicles are scalable, making them suitable for use in different market segments. The ratio of a fairly long wheelbase and very short overhangs is something they will all have in common, however, and this, together with the large wheels, results in basic proportions that are simply perfect – and not just in terms of design. This is because the occupants of the future PPE models will also benefit from the long wheelbase, which translates into a longer interior and more legroom in both rows of seats – a key benefit across all segments. In addition, electric vehicles are also generally more spacious thanks to the absence of a transmission tunnel, which is simply not needed due to the technology.

But even without the transmission tunnel, Audi customers will not have to pass up on the brand’s trademark quattro all-wheel drive system. The future range of PPE models will include versions with one electric motor each mounted to the front and rear axles that use electronic coordination to deliver all-wheel drive on demand and achieve a perfect balance between driving dynamics and energy efficiency. In addition, the e-tron family will also include basic versions optimized for minimum consumption and maximum range – in this case, propulsion will come from a single electric motor mounted to the rear axle.

The Audi A6 e-tron concept’s two electric motors are capable of delivering a total output of 350 kW and a torque of 800 Newton meters.

The front wheels of the Audi A6 e-tron concept are connected via a five-link axle specially optimized for electric vehicles, with a multi-link axle in the rear. The concept car features Audi air suspension with adaptive dampers.

Battery technology

The heart of the Audi A6 e-tron concept’s drive technology – and that of all future PPE models – is the 800-volt charging technology. Like the Audi e-tron GT before it, this ensures that the Audi A6 e-tron concept’s battery can be charged with up to 270 kW in a very short time at public DC fast-charging stations. This revolutionary technology will enter the high-volume mid-range and luxury segments with the PPE for the very first time.

This technology makes charging times possible that come close to a stop to refuel a car powered by a conventional engine. Just 10 minutes at a public DC fast charger are enough to charge the battery to a level sufficient to power the car more than 300 kilometers. And in less than 25 minutes at a public DC fast charger, you can charge the Audi A6 e-tron concept’s 100 kWh battery from 5 to 80 percent.

Together with an expected range of more than 700 kilometers – depending on the selected drive system and power output – the Audi A6 e-tron concept is uncompromisingly suitable for use as a primary vehicle. Furthermore, its range and charging speed keep pace with those of combustion engines, making it the perfect universal car for everyday needs, from short trips to the store to longer road trips when going on vacation.

In terms of dynamic qualities, the Audi A6 e-tron concept – as is typical for an electric car – truly outshines its rivals with combustion engines. Thanks to its high torque available right from the first revolution, even entry-level models designed for efficiency are expected accelerate to 100 km/h in less than seven seconds. And in the top-of-the-line, high-performance models, this sprint can even be reduced to well under four seconds.

Future PPE models

PPE vehicles are specifically designed to be offered globally, and will be rolled out in all of the brand’s key markets. Audi plans to manufacture the vehicles both at its European sites and in China, the company’s largest single market. A new production facility is being built in Changchun specifically for this purpose, where Audi’s electric cars with PPE technology will start rolling off the line by the middle of the decade. The facility is operated jointly by Audi and its joint venture partner FAW-Volkswagen.

PPE is the first Audi platform designed to accommodate an unprecedented range of high-volume automobiles – including SUVs and CUVs with a high ground clearance as well as cars with a low ride height that are part of Audi’s core product range, such as the Audi A6 series. But there are also plans to expand the PPE range into the B-segment, which has been the highest-volume market segment for Audi for decades. And even when it comes to the top-of-the-line D-segment, the PPE is an excellent technological platform to build on.

(Source: Audi)

Image Gallery

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