2014 Audi A3 clubsport quattro concept - Images, Specifications and Information

Audi is presenting the A3 clubsport quattro concept at this year's Wörthersee Meeting in Reifnitz (Kärnten) from May 28-31. The concept study is based on the S3 Sedan and has a five-cylinder TFSI engine under the hood producing 386 kW (525 hp). Visitors can also see the Audi TT quattro sport concept show car, which debuted at the 2014 Geneva Motor Show, and ten production models.

"The Audi A3 clubsport quattro concept shows our car and tuning fans at the Wörthersee just how much sporty potential there is in the A3 family and in our top-of-the-line engines such as the 2.5 TFSI. We have pushed the limits in every respect with this show car: power, dynamics, sound, design," says Prof. Dr. Ulrich Hackenberg, Member of the Board of Management for Technical Development.

Based on the S3 Sedan, the show car is equipped with a powerful five-cylinder TFSI engine. The turbocharged engine with direct injection in the show car boasts an impressive success story. Since 2010, an expert jury has already voted it "International Engine of the Year" in its category four times in succession. The 2.5 TFSI powers the production Audi RS Q3. In the show car, the 2,480 cc five-cylinder produces 386 kW (525 hp) for a specific output of 155.6 kW (211.7 hp) per liter. With a total weight of 1,527 kilograms (3,366.5 lb), this corresponds to a power-to-weight ratio of 2.9 kilograms (6.4 lb)/hp. Maximum torque of 600 Nm (442.5 lb-ft) is available between 2,300 and 6,000 rpm. The Audi A3 clubsport quattro concept accelerates from 0 to 100 km/h (62.1 mph) in 3.6 seconds and reaches a top speed of 310 km/h (192.6 mph).

Extensive modifications make this extreme performance possible. These include a large turbocharger with up to 1.5 bar of relative boost pressure and a modified intercooler.

The basic concept behind the five-cylinder already makes it a special engine. The 1-2-4-5-3 ignition sequence gives it its own unique rhythm, which in the A3 clubsport quattro concept is reinforced by an intake and exhaust system designed for maximum throughput. The characteristic sound of this TFSI engine is a throaty snarl. In addition to earning top marks for sound and technology, the 2.5 TFSI is also visually stunning. The engine in the show car is only covered by a hood made of carbon fiber-reinforced polymer (CFRP).

The Audi A3 clubsport quattro concept features a seven-speed S tronic with a compact three-shaft layout. Its tall seventh gear reduces fuel consumption, and the final gear ratio has been modified accordingly. The driver can allow the dual-clutch transmission to work fully automatically in modes D and S or choose to change gears manually using the paddles on the steering wheel or the shift lever. A launch control function manages starts with maximum power and controlled wheel slip.

The heart of the quattro all-wheel drive system is a hydraulically activated, multi-plate clutch on the rear axle that has been specially designed for the high torque of the powerful five-cylinder. Like the engine management system, its electronic controller is integrated into the Audi drive select driving dynamics system and takes the combination of "fun to drive" and safety to a whole new level.

The clutch can direct a portion of the torque from the front to the rear axle if the driver turns sportily into a corner.
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