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quattro®全时四轮驱动系统

Permanent all-wheel drive quattro® power is distributed as needed to all four wheels providing high levels of active safety, and dependable traction on most driving surfaces as well as excellent road holding, even in cross-winds.

Nearly 30 years ago, the notion of a car with permanent four wheel drive was revolutionary. Audi called it quattro®quattro®Vorsprung durch Technik: quattro® technology stands for permanent power to all four wheels distributed between the front and rear axles.quattro® and its benefits would set a new benchmark for driver confidence and performance.

The simple, yet profound result of sending power to all wheels means that snow covered mountain roads, rain-slicked motorways and gravel-strewn country roads are no longer encountered with apprehension. While on smooth dry roads, quattro® offers a level of performance unachievable by two-wheel drive cars.

The advantage of all-wheel drive was most apparent when Audi introduced quattro® to the World Rally Championship. quattro® seemed to defy physics with startling acceleration and remarkable traction. The result was an astounding 24 wins and a number of World Championships. If that wasn’t enough of an endorsement for quattro®, it was later deemed an “unfair advantage” and banned from road racing altogether after repeatedly dominating the field.

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Today, in that same competitive spirit, quattro® all-wheel drive continues to be refined. In Audi vehicles with a longitudinal engine configuration, quattro® is essentially a mechanical system with a self-locking center differential and continuously variable torque distribution. quattro® instantly responds to wheel speed differences and dynamically adjusts power to the wheels with the best traction. It is supported by advanced electronic control systems that together offer numerous benefits over other all-wheel drive systems. Featuring a 40:60 rear torque bias, the latest version of quattro® offers sports car-like performance and handling with uncompromised all-wheel drive traction.
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The power of quattro® is its ability to inspire driver confidence, giving you traction when you need it, where you need it, regardless of road conditions.
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Additionally, Audi vehicles with a transverse engine configuration, such as the A3 and TT, feature the HALDEX version of quattro®. HALDEX is a hydraulic system with an electronically controlled multi-plate clutch. Utilizing an advanced control module that monitors road speed, cornering and traction, quattro® can anticipate wheel slip and quickly respond to any driving situation. This version of quattro® provides superlative traction at all times by dynamically sending power to the wheels with the most grip.