2011 Audi A4
Audi A4 from halloween action day at castle combe race circuit 29th October 2022
The Audi A4 is a line of compact executive cars produced since 1994 by the German car manufacturer Audi, a subsidiary of the Volkswagen Group
The A4 has been built in five generations and is based on the Volkswagen Group B platform. The first generation A4 succeeded the Audi 80. The automaker's internal numbering treats the A4 as a continuation of the Audi 80 lineage, with the initial A4 designated as the B5-series, followed by the B6, B7, B8, and the B9. The B8 and B9 versions of the A4 are built on the Volkswagen Group MLB platform shared with several models and brands across the Volkswagen Group.
The Audi A4 automobile layout consists of a front-engine design, with transaxle-type transmissions mounted at the rear of the engine. The cars are front-wheel drive, or on some models, "quattro" all-wheel drive.
The A4 is available as a sedan and station wagon. Historically, the second (B6) and third generations (B7) of the A4 also included a convertible version. For the fourth generation (B8) and onwards, the convertible, along with a new coupé and 5-door liftback variant, was spun-off by Audi into a new nameplate called the Audi A5
Overview :
Production -
October 2007–2015
Model years -
2008–2016
Assembly -
Germany: Ingolstadt
Germany: Neckarsulm
India: Aurangabad (Audi India; CKD)
China: Changchun (FAW-VW)
Indonesia: Purwakarta (Garuda Mataram)
Designer -
Julian Höenig (exterior: 2004, 2005)
Ingo Von Bargen (interior: 2005)
Body and chassis :
Body style -
4-door saloon/sedan,
5-door Avant (estate/wagon)
Platform -
Volkswagen Group MLB platform
Related -
Audi A5
Audi S4 (B8)
Audi RS4 (B8)
Powertrain :
Engine -
Inline-four petrol engine
1.8L TFSI I4
2.0L TFSI I4
V6 petrol engine
3.0L V6 TFSI
3.2L V6 FSI
V8 petrol engine
4.2L V8 FSI
Inline-four diesel engine
2.0L TDI I4
V6 diesel engine
2.7L V6 TDI
3.0L V6 TDI
Transmission -
Manual Transmission
6-speed Manual
Automatic Transmission
6-speed Tiptronic
8-speed automatic
Dual-clutch Transmission
7-speed S tronic
Continuously Variable Transmission
8-speed Multitronic
Dimensions :
Wheelbase -
2,808 mm (110.6 in)
allroad: 2,805 mm (110.4 in)
LWB: 2,869 mm (113.0 in)
Length -
4,703 mm (185.2 in)
allroad: 4,721 mm (185.9 in)
LWB: 4,763 mm (187.5 in)
Width -
1,826 mm (71.9 in)
allroad: 1,841 mm (72.5 in)
Height -
1,427 mm (56.2 in)
Avant: 1,436 mm (56.5 in)
allroad: 1,495 mm (58.9 in)
LWB: 1,426 mm (56.1 in)
Audi released the first official pictures of the B8 series A4 in August 2007 and unveiled the car to the public at the September 2007 Frankfurt Motor Show. Saloon/sedan and Avant (estate/wagon) models are offered. The Avant was unveiled to the public at the March 2008 Geneva Motor Show. For North America's destined models, the B8 continued in production for the 2016 model year, while Europe began deliveries on the 2016 B9 model.
The B8 A4 is built on a variant of the Audi Modular Longitudinal Platform, a platform that is also used in the Audi A5 coupé. While prior A4 chassis were limited in wheelbase due to the relationship between the engine, transmission and front axle, the MLP allows for a reduced front overhang, resulting in a greater wheelbase length without the same increase in overall length. This effectively redistributes the centre of gravity slightly rearwards, improving handling by better balancing vehicle mass between the front and rear axles. The estimated static front:rear weight ratio of the B8 A4 is approximately 55:45, depending on body style and engine. The relocation of the steering rack in front of the axle also improves handling over previous A4 platforms. Key to the implementation of MLB is the novel mounting of the differential in front of the clutch. This is achieved by driving the flywheel/clutch remotely by means of a 'top hat' shaped drive plate, between which the differential lay shaft passes, whilst power transmission to the final drive is via an inclined transfer shaft which runs the length of the transmission unit. Whilst the platform retains Audi's "overhung" engine mounting position, the front axle is now 152mm further forward than the previous B6/B7 generation platform. The transfer shaft, however, has the effect of creating a large "bulge" on one side of the transmission tunnel, which on right-hand drive versions forces the pedals to be badly offset, which has attracted criticism from the British motoring press in particular.
The B8 A4 has increased in wheelbase by 160 millimetres (6.3 in) and in length by 117 millimetres (4.6 in) over the prior B7, which has allowed for increased rear seating legroom. Although the overall dimensions have increased, the curb weight has dropped some 10%. The boot (trunk) has also increased to 480 litres (17.0 cu ft) for the saloon (sedan) version. The A4 Avant will have a maximum capacity of 1,430 L (50.5 cu ft) with the rear seats folded down.
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