Audi A6 (4F) C6 with Coilover Springs

The Audi A6 (4F) C6 stands for long-distance comfort, high-quality craftsmanship, and confident driving performance. Produced between 2004 and 2011, this model was available as both a sedan and an Avant, and came with a wide range of engines—from efficient four-cylinders to powerful V8 units. The optional adaptive air suspension in some variants highlights the vehicle’s focus on refined driving dynamics and everyday usability. If you're looking to enhance your A6's road presence and driving characteristics, height-adjustable sport springs are an excellent choice. Unlike traditional sport suspensions, adjustable lowering springs allow for individual customization of ride height without replacing the factory dampers. This means you can achieve a sportier appearance along with improved handling—ideal for drivers who want to combine performance with daily drivability. While a conventional sport suspension offers a fixed drop in height, adjustable sport springs give you flexibility—typically allowing a lowering range of around 20–40 mm. Especially in a car like the A6 C6, which often comes equipped with adaptive systems, this solution retains full functionality of the electronic damping features. As a result, you get a more dynamic stance and sharper handling without having to sacrifice the original ride quality.

Auch in

19 & 21

ZOLL

Facts & Figures

Vehicle type

Audi A6 Avant (4F) 4F5, C6

Coilover springs

KW Coilover Springs

Material

Chromium-silicon steel

Lowering FA

25-55mm

Lowering RA

25-55mm

Adjustable hardness

Approval

with §19 parts certificate

Audi A6 Avant (4F) 4F5, C6 with KW Coilover Springs

KW coilover springs offer the perfect way to give your Audi A6 Avant (4F) 4F5, C6 a noticeably sportier setup – without sacrificing the factory adaptive suspension. Thanks to high-quality chrome-silicon steel and precise engineering, the springs allow a variable lowering of both the front and rear axles by 25–55 mm. This results in a significantly more dynamic appearance and improved handling – especially noticeable in corners or at higher speeds on the road. Compared to a traditional sport suspension, KW coilover springs have the major advantage of retaining the factory damper system while offering stepless vehicle height adjustment. Especially in the Audi A6 C6, which already provides a smooth ride due to its longer wheelbase, the added sportiness from the lowering is instantly noticeable – without compromising daily usability. The springs are perfectly matched to the vehicle, requiring no electronic recalibration or additional modifications. KW also uses corrosion-resistant materials and durable powder coatings for its coilover springs – a true quality product that combines performance and aesthetics.

Advantages of KW Coilover Springs for the Audi A6 Avant (4F)

Stepless lowering from 25–55 mm
Compatible with stock dampers and adaptive suspension
Sportier look and more precise handling
High-grade chrome-silicon steel
No full suspension conversion needed

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Audi RS6 Avant (4F) C6 with KW Coilover Springs

The KW coilover springs for the Audi RS6 Avant (4F) C6 are the ideal solution if you're aiming for a sportier appearance and improved driving dynamics without giving up the factory-installed damper system. Especially for a high-performance vehicle like the RS6 – powered by a 580 hp V10 twin-turbo engine and equipped with standard all-wheel drive – this type of adjustable lowering makes perfect sense. Made from high-quality chrome-silicon steel, the springs allow a continuously adjustable ride height – from 10–40 mm at the front axle and 15–45 mm at the rear axle. This lets you precisely tailor the stance of your vehicle while noticeably enhancing its stability and handling. One of the key advantages of these height-adjustable sport springs is their compatibility with the original damper control system. Especially in the RS6 with adaptive suspension, all electronic features remain fully functional. Unlike traditional sport suspension systems that offer a fixed lowering, KW coilover springs give you much more flexibility in tuning – without compromising day-to-day drivability. KW relies on proven motorsport technology that has been refined for road use to deliver the best possible performance on the street.