Audi. Saturday , November 04th , 2017 - 12:05:05 PM
The 2.9 TFSI V6 bi-turbo engine, which Audi developed from the ground up, offers sharp increases in power and efficiency as well as an incomparably full-bodied RS sound. It delivers 331 kW (450 hp). And it‘s peak torque of 600 Nm (442.5 lb-ft) - 170 Nm (125.4 lb-ft) more than the previous model - is available across a broad engine speed range from 1,900 to 5,000 rpm. The top model in the A5 family sprints from 0 to 100 km/h (62.1 mph) in 3.9 seconds, and reaches a top speed of 250 km/h (155.3 mph) - with the optional RS dynamic package it can even reach 280 km/h (174.0 mph).
The chain drive uses a new concept to reduce the drive power required: the crankshaft drives the balancer shaft via gears, with the shaft lying far down in the V of the cylinder banks. From here chains run to the four camshaft sprockets. These are trioval in shape, i.e. they have a slightly triangular shape, in order to compensate for peak forces. The balancer shaft rotates on roller bearings with particularly low levels of friction.
The crankcase is created from an aluminum-silicon alloy by means of sand casting and weighs just 34 kilograms (75.0 lb). The so-called "deep-skirt" design extends the walls of the crankcase far downwards, which also saves weight. The entire engine weighs just 182 kilograms (401.2 lb) which makes it 31 kilograms (68.3 lb) lighter than its V8 predecessor. Gross weight and axle load distribution are the predominant beneficiaries of this in the new RS5 Coupe. The flat-bottomed 3-spoke RS multifunction sport leather steering wheel features multifunction buttons for convenient operation of the infotainment system. Equally integrated are high-gloss black shift paddles with aluminum elements. The steering wheel rim bears the RS badge, as does the RS-specific shift gate. An additional optical highlight is the optional RS design package. It 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.
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