Audi RS 4 Avant

There are numerous new features that give the RS 4 Avant a distinctive flavour while still identifying it as a member of the A4 family. The single-frame radiator grille with a rhombus-pattern grid, the additional air inlets at the front end and the alloy wheels developed specially for the RS 4, together with the flared wheel arches, clearly set the Audi RS 4 Avant apart from a standard A4. Flared sills and lower door trims coordinated with the sills are other differentiating features. Then there are the RS 4 badges at the front and rear, as well as on the side rubbing strips.

Over and above providing visual accents, the rear apron with the two large, oval tailpipes and the subtle but effective roof spoiler are actually highly functional. Another example: the ride height of both the Audi RS 4 Avant and its saloon counterpart is 30 millimetres lower than that of the standard A4. To accommodate this change, the track of both axles has been widened. The car not only sits more unwaveringly on the road as a result, but also handles better.

Attractive and convenient: the RS 4 Avant's load area combines an exclusive atmosphere with optimum usability and a versatile layout. The successful interior design and multifunctionality set new standards in this class. The variable load-area floor provides generous storage capacity. It can be opened wholly or in part, or removed altogether. The low loading lip and smooth side edges facilitate loading of objects of up to one metre in width. The smooth-surfaced inner side panels have no bulges, making the load area look extremely tidy at all times. A full range of ingenious details such as a net for small items and lashing points enhance the practical utility of the Audi RS 4 Avant.

The 420PS V8 revs up to a speed of 8,250 rpm. With its displacement of 4,163 cm3, this outstanding engine breaks through the magic barrier for a production saloon of 100 bhp per litre. The highly compact power unit reaches its peak torque of 430 Nm at 5,500 rpm. At least 90 percent of the maximum torque is available between 2,250 and 7,600 rpm. The result is excellent pulling power at all times, enabling the driver to drive in a relaxed style without frequent gear changes.

Audi's RS 4 saloon employs groundbreaking FSI technology. The petrol direct-injection unit delivers enhanced power output based on more efficient combustion of the fuel/air mixture. The engine is also more responsive. The performance of the RS 4 clearly demonstrates this progress: it reaches the 100 km/h mark in 4.8 seconds (Avant 4.9 seconds, Cabriolet 4.9 seconds), and 200 km/h in 16.6 seconds (16.9 seconds; 17.5 seconds). On all three versions, the speed is governed electronically when the needle reaches 250 km/h.

Audi has deployed the high-revving engine principle for the first time in the RS 4. The advantages of this principle are superior power output at high engine speeds, a smooth power flow and eager responsiveness all across the revs range. Further fortes are the car's outstanding agility and fast-revving response as well as the kind of racing-style engine sound that drivers of such cars simply expect.

As a result of these qualities, the eight-cylinder power unit provides maximum thrust and performance in virtually all driving situations. The constant flow of power from bottom-end speeds all the way up to 8,250 rpm is equally appropriate for a relaxing driving style with minimum gearshifting and for exploits worthy of the racetrack.

The V8 power unit is ultra-compact in its dimensions, fitting snugly into the engine compartment of the RS 4 without necessitating any modifications to the body. The camshaft and ancillaries, with the exception of the alternator, are all driven by a chain for easy maintenance. An all-new development, the eight-cylinder unit powering the RS 4 includes such features as modified pistons and con rods, a new crankshaft together with its bearings, and new cylinder heads.

Source: Audi press

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