A3/S3/RS3 Official: Audi RS3


The Audi A3 is a small family car (C-segment) manufactured and marketed by Audi AG since September 1996. The first two generations of the Audi A3 were based on the Volkswagen Group A platform, while the third and fourth generations use the Volkswagen Group MQB platform.

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It's official! Audi RS 3 Sportback

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Big performance in a small package: the Audi RS 3 Sportback

• Five-cylinder turbo delivering 250 kW (340 hp) and 450 Nm (331.90 lb ft) of torque
• Zero to 100 km/h (62.14 mph) in 4.6 seconds, superior pulling power
• Seven-speed S tronic, quattro drive and 19-inch wheels

Blazing performance, compact size. Audi has added a new model to its dynamic RS series: the RS 3 Sportback. In the great tradition of the brand, its engine boasts five cylinders and turbocharging technology. From a displacement of 2.5 liters come 250 kW (340 hp) of power and 450 Nm (331.90 lb-ft) of torque, with an average fuel consumption of just 9.1 liters of fuel per 100 km (25.85 US mpg).

Power is transmitted to the road via a seven-speed S tronic and quattro permanent all-wheel drive. 19-inch wheels and fenders made of carbon fiber reinforced plastic (CFRP) underscore the Audi RS 3 Sportback’s position of distinction.

Power and sound: the engine

Each Audi RS model represents the pinnacle of its model line – the RS 3 Sportback, developed by quattro GmbH, now brings this dynamic philosophy to the compact category. It rockets from a dead stop to 100 km/h (62.14 mph) in 4.6 seconds – a performance figure unrivaled by the competition. Top speed is electronically limited to 250 km/h (155.34 mph). Even so the compact car, weighing in at only 1,575 kilograms (3,472.28 pounds), uses on average just 9.1 liters of fuel per 100 km (25.85 US mpg) and emits 212 g CO2 per km (341.18 g/mile). This efficiency is due in large part to a delivery-on-demand oil pump and a regenerative system that recovers energy as the car decelerates.

The 2.5-liter engine in the RS 3 Sportback will thrill passengers thanks to its tremendous pulling power and its voracious revving up to 6,800 rpm. The guttural roaring and growling, backed by the signature rhythm of the five-cylinder firing order make up the classic Audi soundtrack. A sound flap in the exhaust branch intensifies the sound even further. The flap is controlled via the standard Sport button, which also varies the engine response.

Powerful five-cylinder engines have a long legacy at Audi. In the 1980s, racing cars and production cars used them to edge out the competition. Even the first Audi RS model, the 1994 RS 2, had a five-cylinder engine. The 2.5-liter unit, already part of the TT RS specifications, now redefines the state of the art, having recently been named “International Engine of the Year” by a high-ranking jury of automotive journalists.

The 2.5 TFSI delivers 250 kW (340 hp) from a displacement of 2,480 cc: a specific power output of 100.8 kW (137.1 hp) per liter. The maximum torque of 450 Nm (331.90 lb-ft) is readily available at the low end of the rev range, around 1,600 rpm, and remains constant up to 5,300 revolutions. These general parameters yield excellent acceleration and elasticity values.

Just 49 centimeters (19.29 inches) in length, the five-cylinder unit is ultra-compact, tipping the scales at a mere 183 kilograms (403.45 pounds). The crankcase is made of vermicular-graphite cast iron, a high-strength yet lightweight material. Audi is the first car maker to use this material in a gasoline engine. Perfectly placed reinforcements further enhance the block’s loadability. The lightweight-design concept keeps the Audi RS 3 Sportback’s weight in check and pays off big in terms of axle load distribution and, ultimately, handling.

The large turbocharger generates up to 1.2 bar of boost pressure. The intercooler downstream achieves an efficiency rate of over 80 percent. Like all Audi gasoline turbos, the 2.5 TFSI combines turbocharging technology with FSI direct injection. The marriage of these two technologies facilitates a high compression ratio (10.0:1) along with a correspondingly high efficiency ratio. Flaps in the intake tract mix the air as it flows in. The two camshafts, each adjustable by 42 degrees of crankshaft rotation, also enhance the efficiency of the mixture formation.

Speed and grip: the drivetrain

The compact seven-speed S tronic transmits power from the five-cylinder engine via three shafts: one drive shaft and two output shafts. Like all dual-clutch transmissions, it comprises two transmission structures. The shifting process is extremely smooth, taking place in hundredths of a second as the clutches switch, with no perceptible interruption of pulling power. Seventh gear is very tall – a measure that reduces fuel consumption.
The driver can operate the seven-gear S tronic in two automatic modes and one manual mode. Gears are shifted using the paddles on the steering wheel or the selector lever. The launch control system manages the sprint from a dead stop, furnishing explosive turbo power with minimal tire slip.

Delivering power to the road with effortless ease, the quattro permanent all-wheel drive grants the RS 3 Sportback traction, dynamics, and stability. Its central component is an electronically controlled multi-plate clutch, mounted at the end of the propeller shaft to achieve a favorable axle load distribution. Located in its interior is a plate package bathed in oil.

Thanks to quattro, the propulsive power can be distributed to each axle as needed. Whenever slip occurs at one of the axles, an electric pump intervenes at lightning speed to increase the oil pressure. The pump presses the clutch plates together in a continuous fashion, thereby permitting the torque to be redirected accordingly. Thanks to a powerful accumulator, this process takes just a few milliseconds.

Dynamics and safety: the chassis
The stiff body lays the cornerstone for the RS 3 Sportback’s precise handling; the chassis is what makes it happen. The four-link rear suspension – with a track measuring 1,528 millimeters (60.16 inches) – is anchored to a subframe and features high-strength-steel control arms that allow it to handle longitudinal and lateral forces separately.

Widened to a 1,564-millimeter (61.57-inch) track, the front suspension is a McPherson strut construction, also with a separate subframe. Key components of the construction are made of aluminum. Thanks to its electromechanical drive, the rack-and-pinion steering is highly efficient, with a sporty-direct gear ratio of 16.2:1.

Coil springs and redesigned shock absorbers provide the vertical support. The sports suspension lowers the body of the RS 3 Sportback by 25 millimeters (0.98 inch) compared with the A3. The new range-topping model in the A3 series boasts 19-inch cast aluminum wheels fitted with 235/35 series tires at the front and 225/35 at the rear. The wheels come standard with machine-polished titanium-look styling, but are optionally available in black with a red rim flange.

The internally ventilated disks measure 370 millimeters (14.57 inches) in diameter at the front and 310 millimeters (12.20 inches) at the rear. The front friction rings are perforated for maximum heat dissipation. They are connected by hollow pins to the aluminum brake disk covers, which are encircled by four-piston fixed calipers painted a high-gloss black and bearing RS logos. The electronic stabilization program (ESP) features a Sport mode and can be switched off entirely.

Precisely guided by its responsive steering, the RS 3 Sportback eagerly takes to curves and exits them with agility, stability, and serenity. The stability limit is extremely high, an effortless mastery that rounds off the character of this powerful compact car.

Interior and exterior: dynamic styling

The new top-of-the-line model in the A3 series hints at its explosive potential from the very first glimpse. Together with the xenon plus headlights, the front apron, the anthracite single-frame grill with diamond-patterned styling and the air intakes cut a distinctive figure.

The side view is dominated by the flared front fenders made of carbon fiber reinforced plastic (CFRP), prominent sill panels, exterior-mirror casings in matt aluminum look and a large roof spoiler. A high-gloss black diffusor insert and two elliptical exhaust tailpipes on the left accentuate the styling at the rear. RS 3 badges adorn the single-frame grill and the rear hatch.

The dynamic style is matched in the interior, entirely black and sporting a number of RS 3 logos. The sports seats are upholstered in Fine Nappa leather with silver contrasting stitching; the inlays gleam in Piano finish black or the new Aluminum Race look; the leather multifunction sports steering wheel is flat-bottomed. The selector lever and instruments are specially designed. The driver information system can display the boost pressure and oil temperature as well as a lap timer.
The RS 3 Sportback comes with an array of standard equipment including the Sport button, rear parking system, climate control, chorus radio system, and xenon plus headlights with LED daytime running lights. Audi offers customers a range of optional features: front bucket seats, roof rails in matt aluminum look, and styling packages in black or matt aluminum. Five exterior colors are available, plus an unlimited selection of custom paint finishes.

The new top-of-the-line model in the A3 series is already the fourth Audi model to be built at
Audi Hungaria in Győr, where it is rolling off the assembly line alongside the TT Coupé, the
TT Roadster and the A3 Cabriolet.

Deliveries of the RS 3 Sportback will begin in early 2011. The base price in Germany will be
49,900 euros.

 
press release said:
The new range-topping model in the A3 series boasts 19-inch cast aluminum wheels fitted with 235/35 series tires at the front and 225/35 at the rear. The wheels come standard with machine-polished titanium-look styling, but are optionally available in black with a red rim flange.

Wider tyres up front. That surely is odd... but I guess it is down to trying to reduce understeer.
 
235/35 series tires at the front and 225/35 at the rear

:t-crazy2:

235/35/19 all round would not worsn the handling. And if it is really ALL about handling then leave the advantages of AWD and swith over to RWD, but do not put brighter tires in front!
 
:t-crazy2:

235/35/19 all round would not worsn the handling. And if it is really ALL about handling then leave the advantages of AWD and swith over to RWD, but do not put brighter tires in front!

The RS3 is built on an existing platform. On another note; who thinks the stated 340 hp is the true figure? :D
 
If the car tends to understeer, wider front tyres can improve the front grip wile skinnier rear tyres will lessen the rear grip, making the whole less understeery.

But it sures is an unusual solution.
 
Hmmm, I guess this is now the new hyperhatch daddy. Quite interesting how they've gone for wider tyres at the front than the rear - that's the first time I can recall this being done. I have no problem with it, makes sense to me as to why they chose to go this route: the RS3's handling leads from the front, clearly.
 
From the specs on the UK website it seems they are throwing in a lot of kit as standard such as Audi Music Interface, MMI NAV and bluetooth phone.

Is this a way of attracting the young crowd in?

Interesting to see what BMW do with the 1 series M as far as standard kit.
 
Wider tyres up front. That surely is odd... but I guess it is down to trying to reduce understeer.

This trick has been used on Audis in the past and it's all to do with handling and reducing the onset of understeer until the last moment. This will handle better than everyone thinks and will give the 1M a few headaches I'm sure as the engine is already proven itself to be among the greatest FI engines in recent years. :D
 
This trick has been used on Audis in the past and it's all to do with handling and reducing the onset of understeer until the last moment. This will handle better than everyone thinks and will give the 1M a few headaches I'm sure as the engine is already proven itself to be among the greatest FI engines in recent years. :D

It is closely related to the TT-RS, so we know it will handle great. I think it will be closer to the 1M in terms of subjective driving feel (in how good it is, not in being alike), than the RS5 is to the M3.
 
This trick has been used on Audis in the past
Which ones? I don't know of any.

and it's all to do with handling and reducing the onset of understeer until the last moment. This will handle better than everyone thinks

Well it's safe to say that this will handle no better than a TTRS. So no one's really thinking anything.

As for the rear tyres being skinnier to reduce understeer, I have a different opinion. By putting on same-sized 235s at the rear, the RS3's resistance to understeer would be no different. I reckon that the narrower rear tyres have been introduced to make the rear more predictable and progressive upon breakaway on a trailing throttle.

and will give the 1M a few headaches I'm sure as the engine is already proven itself to be among the greatest FI engines in recent years. :D

Skip the strikethrough bit and yes the 2.5 TFSI engine is another Audi masterpiece.
 
Which ones? I don't know of any.

MTM did it with their S2 RSR. And for the same reason and had the same effect.

Well it's safe to say that this will handle no better than a TTRS. So no one's really thinking anything.

As for the rear tyres being skinnier to reduce understeer, I have a different opinion. By putting on same-sized 235s at the rear, the RS3's resistance to understeer would be no different. I reckon that the narrower rear tyres have been introduced to make the rear more predictable and progressive upon breakaway on a trailing throttle.

You will have to wait and see but it does improve it's resistance to understeer, oh BTW you are right about everything else you have suggested.

Skip the strikethrough bit and yes the 2.5 TFSI engine is another Audi masterpiece.

I didn't mean to turn this thread into a RS3 vs 1M, only to highlight what many were already thinking as these two cars (like it or not) will be constantly be compared when both make it to the street.
 
I think the wider front tyres could be a typo?

235s should fit easy all way round.

Can see the suspension setup being quite different to the TTRS.

TT's usually run more camber than a3's, have a more taught setup, wider track, wider tyres, and a lower centre of gravity and weigh less.

Once remapped though the RS3 like the TTRS will have FASTER in gear acceleration than the pre facelift GTR, pre facelift 911 turbo, and the R8 V10.
 
The front arches are wider, the back are the same as a S3, could explain why they went with 225s at the back?
 
Looks hot and the performance is staggering! :usa7uh:

Come-on BMW where's the 1M!?
:t-cheers:
 

Audi

Audi AG is a German automotive manufacturer of luxury vehicles headquartered in Ingolstadt, Bavaria, Germany. A subsidiary of the Volkswagen Group, the company’s origins date back to the early 20th century and the initial enterprises (Horch and the Audiwerke) founded by engineer August Horch (1868–1951). Two other manufacturers (DKW and Wanderer) also contributed to the foundation of Auto Union in 1932. The modern Audi era began in the 1960s, when Volkswagen acquired Auto Union from Daimler-Benz, and merged it with NSU Motorenwerke in 1969.
Official website: Audi (Global), Audi (USA)

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