Audi A3 Sportback: Engine & Transmission | AudiWorld

20 May 2015 | Author: | Comments Off on Audi A3 Sportback: Engine & Transmission | AudiWorld

2.0 TFSI 147 kW (200 bhp), 280 Nm (new)

2.0 FSI 110 kW (150 bhp), 200 Nm

1.6 FSI developing 85 kW bhp), 155 Nm

1.6 developing 75 kW (102 148 Nm

2.0 TDI developing 103 kW (140 bhp), 320 Nm

1.9 TDI 77 kW (105 bhp), 250 Nm

The petrol

The 3.2 six-cylinder engine

The highest-performance for this model, and also the top engine for the A3 Sportback: the four-litre V6 with a displacement of 3.2 litres.

The engine is particularly suited to a sporty vehicle such as the A3 Sportback thanks to its outstanding and power characteristics.

Its maximum is 184 kW (250 bhp), and the torque is particularly impressive, peaking at 320 Nm 2500 and 3000 rpm.

is just perfect for powerful at all speeds as well as nimble #8211; regardless of whether the opts for a 6 speed manual or the new, sporty Direct Gearbox DSG.

The performance of the A3 Sportback 3.2 quattro with Shift Gearbox DSG are correspondingly it accelerates from 0 to 100 km/h in 6.3 seconds and reaches a top speed of 250 (governed).

Throttle valve is designed for an exceptionally agile, engine response to accelerator movements. Indeed, particularly the of the engine with ultra-fast, control of the Direct Shift DSG creates an entirely new sensation of and performance on the road.

The DSG transmission exhibits its particularly sporty in the active throttle blips downshifts in the selector lever S and in the manual gate.

The dual-branch system both helps to cut and makes a very presentable Audi#8217;s acoustics specialists created a sonorous sound without ever becoming assertive, is entirely appropriate to the potential of this power

The A3 Sportback 3.2 is equipped with permanent four-wheel drive as

The 2.0 TFSI

The engine range of the new A3 Sportback marks a double first#8221;: the 2.0 TFSI is not merely an newly developed engine, but the ever production engine to turbocharging with the FSI concept of direct injection.

This combination has already demonstrated its potential in the world of racing: the Audi R8 models turbo FSI engines are notching up after victory on the circuit and already their fourth at the Le Mans 24 Hours in June

The term #8220;petrol direct highlights the very revealing which distinguishes these from conventional petrol In contrast to the manifold injection the fuel is injected directly the combustion chamber.

The injector, on the admission side in the cylinder is served by a high-pressure pump by the camshaft and a pressure reservoir by all cylinders #8211; the common system. The injector controls the time to within thousandths of a at injection pressures of up to 110 bar. By way of a manifold injection system at a maximum of four bar.

The of the four-cylinder turbo FSI is based on the 2.0 FSI engine, with which it key dimensions such as the cylinder of 88 millimetres, as well as having the cylinder head and crankshaft On the other hand, a great components have been to reflect the substantially higher pressures and also the higher load of the turbo engine.

The block is made from GG 25 cast iron, a material exhibits both high resistance and excellent acoustic

A mass balance transmission improves the acoustics. Two balancing rotating at double the speed of the compensate for the engine#8217;s inertial The power is transmitted by the crankshaft by of a triangular-layout chain which the oil pump as well as the balancing

The outcome of these measures is vibrational properties for a four-cylinder Perceptible vibration and drumming under load are both suppressed. The pleasing sound of the tuned exhaust system complements these properties.

The manifold on the 2.0 TFSI is made a high-tech plastic. It also the charge movement flaps, the of which is adjusted by a continuous-action motor. The optimum movement of the or tumble, can thus be controlled on the of the engine-speed and load conditions.

The is injected via a common rail supplied by a demand-controlled high-pressure The fuel is injected directly the combustion chamber via an injector at one side between the inlet

In contrast to the naturally-aspirated 2.0 FSI engine, the mixture is distributed purely within the combustion chamber. provides a distinctive characteristic the emphasis on high performance and responsiveness at all engine speeds.

The cylinder head with roller cam follower drive has a inlet duct geometry produces even higher values than the naturally-aspirated FSI This results not only in refinement, but also in superior resistance and therefore efficiency.

The is that the turbo engine a compression ratio of 10.5:1, a that is otherwise achieved by modern naturally-aspirated engines. coupled with the advantages of direct injection, plays a role in boosting the thermodynamic compared with both injection engines and conventional engines: whereas the swept in the Audi A3 is just 10 percent than that of the predecessor the 1.8 T, the torque has risen by all of 20 percent to 280 Nm.

This figure is available as little as 1800 rpm, all the way up to rpm. This exceptionally torque plateau on the one hand a fuel-efficient driving style few gearshifts, and on the other hand that only light action is needed to produce thrust and a spontaneous unleashing of

This technology lends the A3 2.0 TFSI flexibility values are on a par with much larger-capacity cars: in 4th gear, the mid-range from 60 to 120 km/h that is required for overtaking manoeuvres just

5.4 seconds. The predecessor this in 6.8 seconds, thus around 20 percent longer.

It is impressive how spontaneously the new turbo always responds to accelerator and how assertively it translates pedal into acceleration. This too can be in figures. Immediately after the has been opened, the 2.0 TFSI up around 15 percent more engine torque than the 1.8 T, and rises to its maximum value more rapidly: the new turbo FSI the predecessor#8217;s peak torque in half the time #8211; and goes a significant step in reaching the maximum value of 280

The A3 Sportback 2.0 TFSI with DSG accomplishes the classic 0 100 km/h in only 7.0 seconds; its powerful 147 kW bhp) engine is capable of it up to a top speed of 236 km/h.

The new engine#8217;s is reflected by its remarkably low fuel for all its high performance. Its average over 100 kilometres is just 7.7 of premium-grade petrol.

The Audi A3 2.0 TFSI is available both front-wheel drive and the sporty Shift Gearbox DSG, and quattro drive and a manual gearbox.

The 2.0 FSI

The two-litre naturally-aspirated likewise has petrol direct a common-rail fuel injection and a single-piston high-pressure injection supply the engine with

The four valves per cylinder are by low-friction roller cam followers. The camshaft can be continuously adjusted. The 2.0 FSI in the develops 110 kW (150 bhp) and torque of 200 Nm at 3500 rpm.

this kind of power, the 2.0 FSI with six-speed manual accelerates from 0-100 in just 9.1 seconds and has a top speed of 214

But its noteworthy efficiency is just as of an FSI engine as its sportiness. Because in of the performance figures achieved, an consumption of just 6.9 litres of Plus petrol per 100 kilometres is more than impressive.

to a variable intake manifold and front pipe, its torque sets standards in this This progress has been possible by the air-guided combustion of the 2.0 FSI engine. It allows stratified and lean operation with air at part load.

During stratified-charge operation, the FSI most economical mode, is not injected until the compression and is then transported to the spark by the air turbulence produced in the combustion This causes an ignitable to form around the spark with a substantial air surplus in the of the combustion chamber.

At full and at high part loads, FSI engine also operates in the mode.

The A3 Sportback 2.0 FSI is available in with a 6-speed manual and with 6-speed tiptronic.

The 1.6 FSI

The version of four-cylinder engine FSI petrol direct injection, 85 kW (115 bhp) and 155 Nm torque, the A3 Sportback 1.6 FSI an economical sprinter.

propels the dynamic five-door up to a top speed of 196 km/h; the speedometer hits 100 km/h after seconds. But this four-cylinder has more than just talents to recommend it.

The 1.6 litre FSI also demonstrates potential for economy thanks to its petrol injection technology. The A3 1.6 FSI consumes 6.5 litres of Super Plus per 100 kilometres, pushing the figure to a remarkable 5.3 litres per 100 km in extra-urban

This is undoubtedly an unbeatably low for a petrol engine, considering its The 55-litre fuel tank that a range of considerably than 800 kilometres is possible pauses for refuelling.

One special of FSI technology is to be found at the admission end the tumble flap. This can be to two different positions on the 1.6 FSI engine, specifically influencing the movement of the air.

This paves the way for two operating modes as the very of the FSI principle#8217;s versatility: homogeneous-charge and operation. Depending on the engine load status and accelerator position, the engine electronics select the optimum mode without the driver even

The 1.6

The entry-level engine for the A3 Sportback is the 1.6-litre four-cylinder power with variable intake and overhead camshaft. With its block made of aluminium, power unit is at least 13 lighter than a grey engine of the same size.

The operation by means of roller cam results in particularly low internal The other engine components are optimised for minimum friction in the of enhanced fuel economy.

The is that in conjunction with the engine and 5-speed manual the Audi A3 Sportback uses 7.1 litres of premium-grade fuel per 100 (overall).

For all its economy, the A3 Sportback 1.6 is nimble. Thanks to an engine of 75 kW (102 bhp) and a torque of 148 with the

5-speed gearbox it to 100 km/h in 12.2 seconds and a top speed of 185 km/h. Its responsiveness and refinement are further arguments in of this ultramodern drive an ideal basis for the Audi A3 .

The A3 Sportback 1.6 is initially available in with a 6-speed tiptronic, a 5-speed manual gearbox to shortly afterwards.

The TDI engines

The TDI

One of Audi#8217;s most successful and engines is also to be found in the A3 the four-cylinder 1.9-litre TDI with direct injection. The latest develops 77 kW (105 bhp) and an impressive 250 Newton-metres of torque at 1900 rpm.

The A3 1.9 TDI takes 11.7 seconds to accelerate to 100 And with a top speed of 187 km/h, the TDI model is the ideal car for long on the motorway at high average Especially as the fuel consumption of only 5.1 litres per 100 kilometres that a distance of over kilometres can be covered between for refuelling.

This once demonstrates the superior maturity and of TDI technology in conjunction with the unit. Indeed, this is still able to provide the level of injection pressure of up to bar #8211; the weight of a car on an area as as a fingernail.

This high assures ultra-fine atomisation of within the combustion chamber, providing excellent thermodynamic On the road this means fuel economy and, at the time, a high torque And thanks to pilot-injection control, the spectrum of a pump-injector engine good engine acoustics and emissions control.

This applies to the 1.9 TDI, which undercuts the EU4 emission limits.

The A3 1.9 TDI comes in combination with a manual gearbox.

The 2.0 TDI

There can be no about it: the 2.0-litre TDI which is also offering for its A3 Sportback has all the of its smaller brother #8211; power output, superior efficiency and low emissions.

Being the TDI with a four-valve cylinder however, this new engine an even better interpretation of qualities. Maximum output of 103 kW bhp) and peak torque of 320 Nm all the way between 1750 and 2500 rpm this the most powerful and four-cylinder diesel featured by so far. Performance on the road is impressive, the front-wheel-drive 2.0 TDI with DSG to 100 km/h in just 9.2 seconds and up quickly to its top speed of 207 km/h.

Two key strengths of the new 2.0 TDI are low fuel consumption 5.5 litres of diesel fuel per 100 km value) #8211; as well as with the EU4 emission standard.

In of design, the new power unit is from its related 1.9-litre not only by its larger capacity, but all by the new cylinder head with valves per cylinder. The crossflow head with two tangential ducts on either side and a valve star assures an combination of swirl and cylinder

Two overhead camshafts and low-friction followers with hydraulic compensation help to optimise the management process. The pump-injector in turn, are operated by roller cam running on the exhaust camshaft.

The A3 2.0 TDI is immediately available with in conjunction with a 6-speed gearbox, or with the Direct Gearbox DSG.

The Direct Gearbox DSG

The revolutionary Direct Gearbox DSG combines the advantages of a 6-speed manual gearbox the qualities of a modern automatic, in a superior drive concept. The benefits from enormous and driving enjoyment, with that is as smooth as it is dynamic, by uninterrupted traction. This is with good economy to low fuel consumption, and convenient

The basis for this new development is a six-speed manual gearbox offers considerable variability in the of the transmission ratio. Thanks to the use of a multi-plate clutch with electro-hydraulic control, two gears can be at the same time.

So how does DSG When driving, one gear is When the next gearshift is approached, the appropriate gear is but its clutch kept disengaged. The process opens the clutch of the gear and closes the other at the same time with a overlap.

The result is that the change takes place load, and a permanent flow of is thus maintained.

Incorporating gearshift strategies, the control integrated in the transmission provides comfortable and smooth gearshifts free of any jolts or judder. And by the gear lever in the manual or operating the standard-fit shift behind the steering wheel as in a car, the driver can actively the choice of gears and the gearshift at any time.

In the automatic mode, the can shift to the ultra-sporty S program in upshifts are significantly retarded, advanced and the shifting process A one-touch function accessed via the paddles on the steering wheel in temporarily calls up the manual even in automatic modes D and S.

The tiptronic

A 6-speed automatic is still more the exception the rule in the premium compact yet it brings the driver palpable compared with 5-speed This is because the benefits of the spread of transmission ratios 6:1 instead of the previous 5.5:1 are not limited simply to superior economy.

As well as lower speeds in sixth gear to reduce fuel consumption and noise at high speeds, the transmission ratio in first provides even more #8220;bite#8221; and agile dynamics accelerating.

Combined with the Shift Program DSP, the tiptronic is a genuine all-rounder not in subjective terms and in the motoring it offers the driver. This transmission, which first on the Audi TT in 2002, is also for its compact design and low weight.

As well as the standard driving D which places the emphasis on economy, the 6-speed tiptronic has the S program. In this program, the speeds at which the transmission up are not only higher; the sport avoids undesirable upshifts, for harmonious driving at speed winding roads.

A second gate has been added for ease of operation in the automatic allowing the driver to select the manually if desired. And if the car is fitted a multifunction steering wheel, the can also change from one mode to another simply by the thumb-operated shift paddles .

The Shift Program DSP provides drivability and comfort. It identifies driving styles and determines the gearshift point for every and driving situation.

quattro four-wheel drive

On the Audi A3 quattro, a hydraulic multi-plate varies the distribution of power the front and rear wheels. technical solution is indeed suitable for cars with the fitted transversely, incorporating all the advantages of an Audi quattro.

permanent, situation-specific distribution of forces to all four wheels, drive guarantees maximum and, as a result, optimum at all times. At the same time are still ample reserves for cornering forces in the interests of stability and cornering safety.

The of this sophisticated drive is the multi-plate clutch fitted the driveshaft and the rear differential. A of plates running in an oil bath the clutch housing can be pressed by controlled hydraulic power, providing variable torque between the front and rear

The more pressure is able to up on the multi-plate clutch, the more torque can be transferred to the rear The electronically controlled system instantaneously to any change in traction. And its own oil supply featuring two axial-piston quickly building up pressure, the is able to intervene as required the difference in rotating angles the front and rear axle is as as 45 degrees.

Power is distributed not to a predetermined characteristic, but rather as a function of mechanical conditions, both hydraulic and electronic A data link provided by a CAN that is an electronic data serves to register and evaluate a range of data fed in by other and control units. The electronics the clutch pressure, and thus the transmitted in any given driving via a control valve.

To this the control unit uses all of information such as wheel and speed, road speed and torque. At the same time the #8220;learns#8221; all about the driving and the driver#8217;s current preferences.

the engine at the front and the four-wheel-drive clutch at the rear, axle distribution benefits accordingly. this weight distribution is to the excellent driving stability and handling of the Audi A3 Sportback

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