New Audi A4

Production Cars 31 Aug 2007
New Audi A4

Audi has unveiled the first images of the next generation A4, that will debut at Frankfurt. It features increased dimensions and a design inspired by the A5 coupe.


New Audi A4The main features include a new chassis with repositioned front axle, new steering system and latest quattro system with 40:60 torque split.

The range of engines lists two gasoline units (160 hp 1.8 TFSI and 265 hp 3.2 FSI) and three diesel engines (143 hp 2.0, 190 hp 2.7 TDI and 240 hp 3.0 TDI).

The design spots some elements first appeared on the A5 coupe.

Below we report the main information about the exterior and interior design and the body structure, selected from the official press release.

Design

The new A4 has a spacious saloon body and a firm, muscular stance onthe road. Its length (4703 millimetres) and width (1826 millimetres) exceed those of its core competitors, and sporty dynamics were the guiding principle in its development.

2006 Audi A4 The current A4 model

The proportions have a new balance compared with the previous model: the front body overhang has been considerably reduced and the bonnet and wheelbase are now noticeably longer.

A long, coupe-style roof line emphasises the flowing silhouette. The roof meets the side sections of the body at an almost invisible zero-gap joint – just one of the many details that uphold the Audi principle of high technical precision.

The completely new outer body panels of the A4 consist of sculptured, curving surfaces framed by sharply defined outlines.

The ‘dynamic line’ above the door sills rises slightly to the rear, the ‘tornado line’ below the windows slopes down. In this way the two contours add profile and dynamic balance to the sides of the car. Large wheels and boldly styled wheel arches emphasise this impression of concentrated energy.

New Audi A4The front end has the typical sporty ‘single-frame’ radiator grille.

The optional-extra xenon headlights feature powerful visual accents set by their electrodeposited chrome ‘wings’ and the standard daytime driving lights.

Depending on the lighting technology used, their design differs: in the xenon plus headlights, the daytime driving lights each consist of 14 white light-emitting diodes.

The rear end of the body, which tapers strongly inwards, interprets the car’s sportiness. The slim, tapered-off light units create a visual relationship with the road.

The exhaust tailpipes are straight – even on diesel-engined cars a hint at the powerful character of the TDI engines. A4 models with the sporty S line exterior package differ in certain details, for instance the front air dam.

The drag coefficient is cD = 0.27.

Interior

New Audi A4 - InteriorThanks to the extended 2,808 mm wheelbase the interior is now 20 mm longer and rear-passenger knee room has gone up by a remarkable 36 mm to 908 mm. Headroom and width at shoulder height have also been increased. Every passenger in the new A4 has access to convenient features such as large cup holders and softly upholstered armrests.

The graphic design, features taut surfaces and dynamic lines. Amopng the distinctive elemenrs is an extra lighting package, available as an option.

Used colors and materials include aluminium version and three types of wood that can also be combined with a special aluminium look. The sporty S line has a black interior including the roof lining.

The boot now holds 480 litres whether the car has front-wheel drive or quattro permanent all-wheel drive with a loading height of only 673 mm.

Body

New Audi A4The body is extremely light in weight: although almost twelve centimetres longer and over five centimetres wider than its predecessor, the bare bodyshell weighs about ten percent less.

This weight saving is due to specific use of new grades of steel that combine exceptional strength with low weight.

Only these ultra-high-strength steel grades give the body the high level of rigidity.

Audi is the first automobile manufacturer to produce these ‘tailored blanks’, as they are called, from ultra-high-strength steel in its own factory.

They account for 12 percent of the weight of the new A4’s bare bodyshell without doors, lids and windows.

18 percent are accounted for by ultra-high-strength steel grades, 32 percent by high-strength steels and 38 percent by conventional deep-drawing grades of steel.

The complex body structure is designed to suppress vibration to the maximum possible extent.

Areas at the front end of the car that could be subjected to severe sources of potential vibration as the car is driven have been specifically reinforced, and the larger cavities in the body, including posts and sills, have been divided up into smaller volumes by means of bulkheads.

(Source: Audi)

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