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Audi S3 Sedan – 2.0 TFSI Audi S3 Sedan – 2.0 TFSI
Audi S3 Sedan – 2.0 TFSI
With 228 kW (310 PS) of power and 400 Nm (295.0 lb-ft) of torque, the new S3 models are powered by the 2.0 TFSI engine.
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Audi A3 Sportback – Twin dosing Audi A3 Sportback – Twin dosing
Audi A3 Sportback – Twin dosing
In addition, Audi is using an innovative exhaust-gas aftertreatment system in the 2.0 TDI known as twin dosing. By injecting AdBlue into the exhaust system at two separate points connected in series, it enables the injection of urea to be distributed far better and in a way that is appropriate to the situation, reducing nitrogen oxides significantly.
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Audi RS 5 Sportback – 2.9 TFSI V6 twin turbo Audi RS 5 Sportback – 2.9 TFSI V6 twin turbo
Audi RS 5 Sportback – 2.9 TFSI V6 twin turbo
Immense pulling power and high output combined with efficiency: Even after the revision, the output of the 2.9 TFSI remains unchanged at 331 kW (450 PS). The V6 twin-turbo delivers between 1,900 and 5,000 rpm; during this process, each charger supplies a cylinder bank with compressed air and 600 Nm (442.5 lb-ft) of torque is supplied to the crankshaft.
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Audi Q3 Sportback – 48V MHEV -
Audi S4 TDI with 48V MHEV Audi S4 TDI with 48 Volt Mild-Hybrid-System
Audi S4 TDI with 48 Volt Mild-Hybrid-System
Both S models of the A4 family – the Audi S4 Sedan TDI (combined fuel consumption
6.3 – 6.2 l/100 km (37.3 - 37.9 US mpg)*; combined CO2 emissions 164 – 163 g/km (263.9 - 262.3 g/mi)* and the S4 Avant TDI (combined fuel consumption 6.3 l/100 km (37.3 US mpg)*; combined CO2 emissions 166 – 165 g/km (267.2 - 265.5 g/mi)* – are now equipped with a V6 diesel engine as a power package.- Available media:
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Audi S6 Avant TDI – Drivetrain Audi S6 ad S7 with 3.0 V6 TDI
Audi S6 ad S7 with 3.0 V6 TDI
This takes the three-liter V6 TDI’s total power output to 257 kW (349 hp). Power transmission is handled by the eight-speed tiptronic automatic transmission, which always operates in tandem with quattro permanent all-wheel drive.
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Audi A4 2.0 TFSI ultra Audi A4 2.0 TFSI ultra
Audi A4 2.0 TFSI ultra
The 2.0 TFSI with a displacement of 1,984 cc is available in the new the Audi A4 ultra and A4 Avant ultra. Its technical refinements are the exhaust manifold integrated into the cylinder head, the rotary-valve model for thermal management, the Audi valve-lift system (AVS) for the intake valves, the electric wastegate of the turbocharger and the dual fuel injection. In partial load, indirect injection in the inlet manifold supplements the FSI direct injection. ection.
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Audi RS 3 Sedan Audi RS 3 Sedan
Audi RS 3 Sedan
Since 2010, the 2.5 TFSI has been voted “International Engine of the Year” in its class for seven consecutive years. Now, Audi presents a new version of the successful power unit. The turbo engine which drives the new RS 3 Sedan* and the facelifted RS 3 Sportback* is the most powerful series-production five-cylinder engine on the world market.
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Audi SQ7 TDI – V8 TDI with electric powered compressor and 48 volt electrical subsystem Audi SQ7 TDI – V8 TDI with electric powered compressor and 48 volt electrical subsystem
Audi SQ7 TDI – V8 TDI with electric powered compressor and 48 volt electrical subsystem
The 4.0 TDI has been newly developed from the ground up. It combines best-in-class performance with low consumption and guarantees maximum dynamics. The V8 engine has a displacement of 3,956 cc. The two exhaust-gas turbochargers are activated selectively according to the concept of sequential charging, since exhaust gas only flows through one turbocharger at low and intermediate load. The second turbine is only activated at higher loads. An electric powered compressor (EPC) augments the work of the two turbochargers, particularly in the lower engine speed range, providing for extremely dynamic off-the-line performance.
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Audi SQ8 – Mild hybrid system with electric powered compressor (EPC) Audi SQ8 – Mild hybrid system with electric powered compressor (EPC)
Audi SQ8 – Mild hybrid system with electric powered compressor (EPC)
An electric powered compressor (EPC) in Audi SQ8 TDI supplements the work of the two turbochargers when starting off and when accelerating at a low engine speed, allowing the V8 TDI to always build up its power spontaneously.
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Audi S7 – electrically empowered compressor Audi S6 and S7 as TDI with electrically empowered compressor
Audi S6 and S7 as TDI with electrically empowered compressor
Sportiness meets efficiency – the new Audi S6 and S7 models make their entrance with a torquey V6 TDI engine, offering customers in Europe the ideal performance models for the long haul.
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Audi R8 Spyder V10 – drivetrain Audi R8 Spyder V10 – Drivetrain
Audi R8 Spyder V10 – Drivetrain
From 0 to 100 km/h (62.1 mph) in 3.6 seconds, 11.8 seconds for the sprint from 0 to 200 km/h (124.3 mph) and a top speed of 318 km/h (197.6 mph) sum up the dynamic performance of the new Audi R8 Spyder*. It sprints to 100 km/h (62.1 mph) two-tenths of a second faster than its predecessor, reaches the 200 km/h (124.3 mph) mark six-tenths of a second sooner and delivers 7 km/h (4.3 mph) more top speed.
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Audi TT RS Coupé and Roadster – 2.5 TFSI, powertrain Audi TT RS Coupé and Roadster – 2.5 TFSI, powertrain
Audi TT RS Coupé and Roadster – 2.5 TFSI, powertrain
The five-cylinder achieves a good 17 percent more output from the unchanged displacement of 2,480 cc – 294 kW (400 hp) means a specific value of 161.3 hp per liter. The maximum torque of 480 Nm (354.0 lb-ft) is available from 1,700 rpm and remains constant up to 5,850 rpm. The new Audi TT RS Coupé thus accelerates from 0 to 100 km/h (62.1 mph) in 3.7 seconds; the Roadster takes 3.9 seconds. Standard top speed is a governed 250 km/h (155.3 mph). Audi will raise the top speed to 280 km/h (174.0 mph) upon request.
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Audi S5 Coupé – 3.0 TFSI, drive train Audi S5 Coupé – 3.0 TFSI
Audi S5 Coupé – 3.0 TFSI
The completely redesigned, turbocharged 3.0 TFSI engine for the Audi S5 Coupé offers powerful performance: high power, ample torque, spontaneous response and a sonorous sound. All of that paired with a new level of efficiency.
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Audi A1 Sportback Audi A1 Sportback
Audi A1 Sportback
A clear sign of the popularity of the Audi A1* and A1 Sportback* is the over 500,000 cars sold since its market launch in 2010. Six engines – gasoline and diesel – are new or have been intensively further developed. For the first time, Audi is offering completely new three-cylinder engines, the 1.0 TFSI and the 1.4 TDI – they are efficient without neglecting driving fun.
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Audi RS 3 Sportback 2.5 TFSI 2.5 TFSI
2.5 TFSI
The multiple award-winning 2.5 TFSI produces 270 kW (367 hp) and 465 Nm (343.0 lb‑ft) of torque in the new RS 3 Sportback. The turbocharged engine accelerates the compact five‑door from 0 to 100 km/h in 4.3 seconds, and top speed can be increased to 280 km/h (174.0 mph) upon request. In the NEDC, it consumes just 8.1 liters of fuel per 100 kilometers (29.0 US mpg), with CO2 emissions of 189 grams per kilometer (304.2 g/mi).
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1.8 TFSI 1.8 TFSI
1.8 TFSI
A central innovation in the 1.8 TFSI is the addition of indirect fuel injection. Indirect injection supplements FSI direct fuel injection in the part-load range. This lowers fuel consumption and reduces particulate emissions to within the limits of the future Euro 6 standard. FSI fuel injection is active when starting and at higher loads. The valve control system has been given greater operating freedom. The Audi valvelift system, which adjusts the lift of the valves as needed, is active on the exhaust side; the camshafts can also be adjusted.
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Aud valvelift system Audi valvelift system
Audi valvelift system
The Audi valvelift system, one of the major innovations of the brand with the four rings, regulates the lift of the valves in two stages depending on load and engine speed. The system thus increases torque while also reducing fuel consumption.
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W12
W12
In the A8 L, Audi’s top-of-the-line model, a twelve-cylinder powerplant provides outstanding propulsion. The “W12” abbreviation alludes to the unusual configuration of the 6.3-liter FSI engine: four rows consisting of three cylinders each. Two rows in each case face each other in an offset configuration at a 15-degree angle, collectively forming a single broad bank. Both cylinder banks thus form a 72-degree V configuration.
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cylinder on demand 4.0 TFSI engine with cylinder on demand
4.0 TFSI engine with cylinder on demand
The new 4.0 TFSI, a powerful V8 with twin turbochargers, is equipped with “cylinder on demand” technology. When operating at part load, four of its cylinders are deactivated. This reduces fuel consumption by an average of five percent. To complement this system there are two further technologies: Active noise control (ANC) and active engine mounts. They ensure that the car’s occupants do not hear or sense any disturbing noise or vibration even if the engine is operating in the four-cylinder mode.
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FSI common rail FSI/TFSI principle
FSI/TFSI principle
At Audi, FSI stands for gasoline direct injection, a technology in which fuel is injected directly into the combustion chambers, rather than into the intake manifold in the traditional manner. More favorable in terms of thermodynamics, this method improves the efficiency of the engine. FSI engines achieve higher performance and better dynamics than conventional engines, with better efficiency. Whether they have four, five, six, eight, ten or twelve cylinders, all gasoline engines from Audi today employ the FSI principle.
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Exhaust turbocharger Exhaust turbocharger
Exhaust turbocharger
Downsizing has a long legacy at Audi – the first turbocharged gasoline engine, a five-cylinder unit, was produced as early as the late 1970s. Today the brand uses a turbocharger on all its four- and five-cylinder engines, both TDI and TFSI units, to increase performance and torque. Certain large V-engines employ two chargers according to the bi-turbo principle.
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Supercharger Supercharger
Supercharger
Alongside exhaust gas turbochargers, Audi also makes use of superchargers to boost its engines. A supercharger is used in the 3.0 TFSI. The high-efficiency mechanical charger is situated in the 90-degree V formed by the cylinder banks and is driven by the engine via a poly-V belt. The gas pathways downstream of the charger are very short, thus the torque develops quickly and easily. The full boost is available even at idle.
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Intercooler Charge-air cooler
Charge-air cooler
As a turbocharger compresses the intake air, it heats up, reaching temperatures between 120 and 150 degrees Celsius (between 248 and 302 degrees Fahrenheit). Hot air has a lower density, however, and thus contains less oxygen for combustion. A charge-air cooler is therefore placed downstream of the turbocharger to cool the compressed air before it enters the combustion chamber.
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Delivery-on-demand oil pump Demand-controlled oil pump
Demand-controlled
oil pumpThe engine ancillaries offer tremendous potential for efficiency. A new generation of oil pumps, which Audi employs in a number of models, are an important component. Smaller in terms of delivery rate, these volumetric-flow-controlled oil pumps operate only as required, and no longer need to circulate oil continuously.
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Internal friction
Internal friction
Combustion engines are subject to friction losses, in which a portion of the power disappears in the mechanical interaction of the engine components. The greatest losses occur in the crankshaft – at the pistons with their sealing rings, at the connecting rod bearings and at the main bearings of the crankshaft.
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Thermal management Innovative thermal management
Innovative thermal management
The novel thermal management system, an innovation from Audi in many engines, lowers fuel consumption by up to 3 percent. Rather than being circulated, the coolant remains still during the warm-up phase so that the engine oil quickly reaches its operating temperature of between 80 and 120 degrees Celsius (between 176 and 248 degrees Fahrenheit). This significantly shortens the phase of greater frictional resistance due to viscous oil in the crankshaft drive and valve gear.
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