How Audi Sport GmbH shapes the character of its RS models

Ingolstadt/Neckarsulm, May 25, 2020 – The RS models from Audi Sport GmbH are the dynamic spearheads of their respective product lines. They have a strong character that consists of distinct design differentiation, full everyday usability, effortless top performance, and a thrilling driving experience. This results from a relentless focus on minute details by the designers and development and test engineers, and it is perfected over numerous test drives around the world.

The North Loop (Nordschleife) of the Nürburgring is a legend among race tracks: The 20.832-kilometre course is among the most challenging worldwide. Every single metre is truly a tough challenge: the compression at the Fuchsröhre, the kickbacks at the Karussell, or the jump at the Pflanzgarten. More than 80 percent of the course is driven with full power. With maximum load applied in fast motion, every kilometre on this course equates to multiple kilometres of regular road operation. With its high demands, the North Loop is the benchmark for every sporty car.

A North Loop expert working for Audi Sport: Frank Stippler
Frank Stippleris connected with the history of Audi Sport like no other racing driver. His greatest accomplishments include winning the 24 Hours races of Spa in 2012 and the Nürburgring (2012 and 2019). Stippler was part of the team right from the start, when the GT3 racing car Audi R8 LMS debuted in 2009. Aside from his skills as a driver, he also contributed his engineering expertise. Ever since then, it has been hard to imagine the development of customer sport racing cars and even sporty road models without him. This applies to the RS models as well as the R8** high-performance sports car, which was extensively updated at the beginning of 2019 – as Coupé**, as Spyder**, and as an R8 V10 RWD** with rear-wheel drive.

Stippler’s latest coup is a lap record of 7 minutes and 42.253 seconds on the North Loop, which he set with an RS Q8** in the autumn of 2019. –The racing professional from Cologne beat the former best time for standard SUVs by twelve seconds. While the new record was not the aim of the development work, it is nevertheless clear proof of the immense dynamism that Audi’s most sporty Q model has to offer.

Oliver Hoffmann: “The North Loop is the ultimate endurance test”
“The North Loop represents the ultimate endurance test in our development and coordination work,” explains Oliver Hoffmann, Managing Director of Audi Sport GmbH. “Every RS model undergoes at least 8,000 kilometres of testing here. The track provides us with detailed information about the durability of our parts under extreme conditions and specifics about the suspension. With the RS Q8**, our main focus was on the setup of the springs, dampers, and the ESP as well as the performance characteristics of the roll stabilisation and the sport differential”.

“The RS Q8** combines outstanding performance and extraordinary design along with the power and versatility of an SUV and our extensive quality standards,” Hoffmann explains. “RS vehicles have a strong and unique character: spontaneous maximum performance wherever and whenever desired, and effortless performance on long journeys.”

Strong model portfolio: The RS initiative is underway
The RS model offensive is in full swing: The sporty subsidiary of AUDI AG already has twelve RS models in its portfolio: the RS 3 as a Sportback** and Saloon**, the RS 4 Avant**, the RS 5 as Coupé** and Sportback**, the RS 6 Avant**, the RS 7 Sportback**, the TT RS as Coupé** and Roadster**, the RS Q3** and the RS Q3 Sportback**, as well as the RS Q8**. Eight of these models were only introduced in 2019, and Audi Sport GmbH already has many more ideas up its sleeves for the near future.

Modern efficiency is one of the fundamental goals here. With the RS 6 Avant**, RS 7 Sportback**, and RS Q8**, the list of ingredients already includes a sophisticated mild hybrid system based on the 48-volt on-board electrical system as well as cylinder deactivation (COD) in the V8 TFSI engine under partial load. Needless to say, these functions must also be implemented in an RS-typical way. “Fine-tuning” is the magic word when it comes to the long road that is the development of a spectacular RS model.

Around the world 30 times: the testing program for the RS Q8** – and not just this RS

Test engineers from Audi Sport GmbH spent around two years on the road in the RS Q8**, covering more than 1.2 million kilometres, the equivalent of driving around the world 30 times, with development vehicles and prototypes. The test drives took them to Finland, Sweden, France, Italy, South Africa, China, and the USA. They were conducted on all types of racing tracks and roads.

Testing areas like the high-speed circular track in the southern Italian town of Nardò were used to test the resilience of all components at a consistently high speed. The ice and snow in Scandinavia offered ideal conditions for putting the finishing touches to the response characteristics of the suspension and control systems. When driving on a slippery surface, even minor changes to the setup have very noticeable effects. The heat and elevation in South Africa presented the air conditioning, engine cooling, and performance characteristics with special challenges.

Inspired by the racing car: the design of RS models
The RS models are the dynamic spearheads in Audi’s model portfolio, as is already indicated by their particularly striking exterior design. It is very much inspired by motorsports, combining cool understatement with a dynamic edge. Top performance in motorsports requires more extreme component shapes. According to the principle of “form follows function,” it is therefore natural that the use of high-performance technologies from motorsports is also reflected in the visual appearance of RS models.

In many RS models, the proportion and position of the Singleframe are based on the R8** sports car: It is both wider and lower than on its sister models and dominated by a puristic, sporty black instead of chrome elements. Some RS models have horizontal slits between the grille and the hood that are reminiscent of the iconic Audi Sport quattro from 1984. Mighty air inlets and large elliptical tailpipes symbolise the power of the turbocharged engines.

The body also features an exclusive look, which is particularly striking in the Audi RS 6 Avant**. It is 80 millimetres wider than the base model, and the design of the fenders is just as RS-typical as that of the rear doors, the side panel frames, the front section, and the engine hood. Only the front doors, the roof, and the tailgate are unchanged. The wheel arches of the high-performance Avant accommodate wheels with a diameter of up to 22 inches – or even 23 inches in the case of the RS Q8.

Workshops and master jig: Top-of-the-line quality even during development
The Audi maxim of uncompromising quality applies to each of the many exclusive solutions. The Audi Quality Assurance department has a great influence on the later series production vehicle even during this phase. The employees assemble the complete RS body on highly precise aluminum measuring fixtures known as the master jig. They use state-of-the-art measuring methods such as laser scanners, which record several million measuring points on the surface of the part, to adjust all surfaces, joints, and radii down to the tenth of a millimetre. This benefits both the aerodynamics and the appeal of each individual RS.

For further information on the RS models offered in the Irish market, please contact your local Audi dealership.

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