Why quattro audi

When Audi debuted its quattro all-wheel drive system in the Quattro rally car, it dominated the racetrack and icy conditions in the Alps, gripping the road and track with precision at every turn. Today, the quattro system is found in various types of Audi models and is not limited to just the racetrack like its early launch. The quattro system offers sports car-like performance and handling with uncompromised all-wheel drive traction. It is a proactive system, which means it distributes torque equally to the axle that has more grip.

Drivers cannot notice the instantaneous response to wheel speed differences during this adjustment of power to the wheels with the most traction. Traditional all-wheel drive systems, on the other hand, are reactionary systems. This means it waits until poor road conditions are encountered to adjust torque. Because they are not proactive, traditional systems are unable to sense and predict when all-wheel drive might be needed and adjust accordingly.

The quattro system has one center differential mounted in the gearbox. Read more about the evolution of the 4-wheel drive. Audi offers the quattro drive in different versions customised for each model. In the compact construction series with transversely mounted engine, a multi-disc clutch with hydraulic actuation and electronic control is mounted on the rear axle. The multi-disc clutch is located on the front axle in the R8 mid-engine sports car. These active systems distribute the forces variably to both axles depending on the driving situation.

The self-locking centre differential, which is used in many Audi models with a front-mounted longitudinal engine, is a purely mechanical epicyclic gear. Normally, it sends the drive torques to the front and rear axle in a ratio of The sport differential on the rear axle is available for some top motorisations.

It can actively distribute the torques between the rear wheels by means of two superposition stages with electro-hydraulic multi-disc clutches. In extreme cases, almost the entire torque reaches a wheel — the system pushes the car into the bend, whereby it eliminates under-steering at the outset.

Audi has been driving quattro technology forward for 35 years. With more than eight million models produced with quattro technology, Audi is the most successful premium manufacturer of vehicles with permanent all-wheel drive worldwide. With the Audi lunar quattro perhaps soon also on the moon.

With quattro, Audi has achieved a milestone in automotive history - no other manufacturer had a high-speed, lightweight four-wheel drive for large series to offer in The technology made its debut in at the Geneva Motor Show in the so-called original-quattro. In , Audi replaced the manually lockable first-generation centre differential with the Torsen differential, which could variably distribute the drive torques. The epicyclic gear with asymmetrical-dynamic basic distribution of forces followed in To this day, the self-locking centre differentials at Audi are continuously being further developed and are regarded as the benchmark for traction and driving dynamics with, at the same time, very low weight.

The quattro four-wheel drive is a cornerstone on which Audi stands. Now the brand strengthens it further — with new models and new technologies.

The quattro in the electrified power train represents a completely new concept for the mobility of the future. How does the Audi quattro system work?

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