Mollie Slater. Audi. October 13th , 2017.
From 1,900 to 5,000 rpm, the 2.9 TFSI supplies the crankshaft with an impressive 600 Nm (442.5 lb-ft) of torque, which is 170 Nm (125.4 lb-ft) more than on the previous model. With its 331 kW (450 hp) - which equates to a power ratio of 155.5 hp per liter displacement - the unit accelerates the new RS5 Coupe from zero to 100 km/h (62.1 mph) in 3.9 seconds and thus six tenths of a second faster than before. If the customer orders the RS dynamic package, Audi increases the electronically restricted top speed from 250 km/h (155.3 mph) to 280 km/h (174.0 mph).
Each of the two turbochargers on the 2.9 TFSI is assigned to a single cylinder bank and can build up a maximum of 0.95 bar charge pressure. Like with all new V6 and V8 engines from Audi, the turbochargers are installed within the 90-degree angle of the cylinder banks, and thus the exhaust side of the cylinder heads is on the inside, while the intake side is on the outside of the engine. This layout enables compact construction and short gas flow paths with minimal flow losses - the 2.9 TFSI responds extremely spontaneously to movement of the accelerator pedal.
Bathed in black, the interior is of an extremely high standard and sportily equipped. RS sport seats - optionally available in fine Nappa leather with honeycomb pattern - and the flat-bottomed RS multifunction sport leather steering wheel underscore the character of the high-performance Coupe in the interior as well. The steering wheel rim bears the RS badge, as do the front seat backrests and the shift gate. Special RS displays in the Audi virtual cockpit provide information on tire pressure, torque and g-forces. A shift light prompts the driver to upshift upon reaching the rev limit. The RS design package brings the sporty contrast color red into play on the center console as well as on the armrests, the seat belts and the floor mats with RS logo. The steering wheel, selector lever and knee pads are all covered with Alcantara. The Sonoma green design package from Audi exclusive enriches the interior with appropriately colored contrasting stitching - perfect for the new, exclusive exterior color.
An important component of the B-cycle combustion process is the central position of the injectors in the combustion chamber. In the area around the inlet valve, this makes possible a geometry which, in interaction with the inlet ports, allows for targeted mixing up of the gas charge. The common-rail system injects the fuel into the combustion chamber with 250 bar of pressure - the high injection pressure ensures a homogeneous spray pattern and consequently a uniform propagation of the flame front.
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