2021 Audi Grandsphere Concept

2021 Audi Grandsphere Concept

The private jet for the road - At the IAA 2021, Audi is presenting the Audi grandsphere concept study. Like a first class flight, the 5.35 m (17.6 ft.) long grandsphere sedan combines the luxury of private travel in the greatest of comfort with a comprehensive onboard experience offering. Level 4 automated driving makes new dimensions of freedom possible: in this mode, the interior turns into a spacious sphere of experience without a steering wheel, pedals, or displays. And the front seats become a first class lounge with maximum space, freer views, and access to all the functions of a holistic digital ecosystem that the Audi grandsphere is integrated into.

2021 Audi Grandsphere Concept

As the second of three "sphere" concept cars from the brand with the four rings, the Audi grandsphere has a special place. That is because the technologies and design features assembled in it will turn up again within a few years in future Audi series. The Audi grandsphere concept illustrates the brand's claim that it is becoming the trendsetter at the top of the automotive industry for technological transformation and completely new, holistic mobility offerings. The electrically driven roadster Audi skysphere concept debuted in August 2021 - it was a spectacular vision of an automatically driving GT that transforms into a self-driving sports car with a variable wheelbase. These two concept cars - as well as the Audi urbansphere, which will appear as the third part of the trio in 2022 - are linked by their overall concept, which is derived from their ability to drive automatically at level 4. Audi is working with CARIAD, the Volkswagen Group's software think tank, toward introducing that technology in the second half of the decade.

2021 Audi Grandsphere Concept

Fast charging, high range


The heart of the drive system is the 800 volt charging technology. Like the Audi e-tron GT before it, this technology ensures that the battery can be charged with up to 270 kW in a very short time at fast-charging stations. This strategy makes charging times that approach a refueling stop for a car with a conventional engine possible. Just ten minutes are enough to charge the battery to a level sufficient to power the car more than 300 kilometers (186 miles). In less than 25 minutes, you can charge the 120 kWh battery from 5 to 80 percent. Together with a range of more than 750 kilometers (466 miles) - depending on the selected drive system and power output - the Audi grandsphere concept is unconditionally suitable for long distances. Furthermore, its range and charging speed keep pace with those of combustion engines, making it the perfect universal car for everyday needs. In terms of dynamic qualities, the Audi grandsphere concept - as is typical for an electric car - truly outshines its rivals with combustion engines. Thanks to the high torque that is available from the first revolution, acceleration from 0-100 km/h (62 mph) takes just over four seconds; maximum speed is limited in the interest of increased range.

2021 Audi Grandsphere Concept

Air suspension and active suspension for maximum comfort


The front wheels are connected via a five-link axle, specially optimized for electric vehicles. In the rear, there is a multi-link axle that, like the front, is made of aluminum. Despite the long wheelbase, the steerable rear wheels provide excellent maneuverability. The luxurious Audi grandsphere concept touring sedan utilizes Audi air suspension - a single chamber system with adaptive dampers. Quite well suited for dynamic driving when necessary it guarantees gentle comfort without noticeable vehicle body movements, under normal conditions. The reason: the Audi grandsphere concept has active suspension. The high-tech system can separately pull up or push down on each wheel separately in milliseconds via electromechanical actuators. That makes it possible to actively control the state of the chassis in every driving situation and therefore significantly reduce pitching and plunging when accelerating or braking. Thanks to the front camera, which recognizes unevenness, the adjustments happen predictively. The navigation system's topographical data are also used to integrate curve radii, gradients, and inclines into the system's projection.

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