A6
The Audi A6 is a mid-size luxury car / executive car produced by the German automaker Audi. It is available in sedan and station wagon (Avant) body styles. The second generation A6 was also used as the basis for the Allroad. more...
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Its primary competitors are the Mercedes-Benz E-Class, BMW 5-Series, Alfa Romeo 166, Jaguar S-Type, Lexus GS and Volvo S80.
C4 (1994-1997)
In 1994, the latest generation (C4) of the Audi 100 was facelifted and re-badged as the A6, to fit in with Audi's new naming policy (as the A8 had just been introduced). The exterior was largely left unchanged from the C4 100, the same happening with chassis and engine and transmission choices.
The new engines for the A6 were 1.8 20V, 2.8 30V, 1.9 TDI, and the 2.5 R5 TDI (140 PS), with the 2.3 engine being dropped on most markets. The S6's 4.2 V8 was uprated to 290 PS and a new 326 PS version was added (S6+ made by quattro GmbH).
Up until 1997, the A6 came with several different engines, two of them Diesel, and most of them available with Audi's quattro four wheel drive system. The A6 was also available with sedan and Avant bodies.
The C4 design was available with the following engines:
C5 (1997-2004)
In 1997 the scene changed strikingly for the A6. With the introduction of an ambitious new design (C5) and a new pack of engines, the A6 moved up a notch and was positioned alongside the hegemonious BMW 5-Series and the solid Mercedes E-class. The new A6 presented itself with a wide range of engines and configurations. The crisp 30-valve 2.4 and 2.8 V6 engines represented the bulk of the A6's development programme, but the resilient 2.5 V6 TDI and the powerful all-new Audi S6 were the flagships. As an alternative to the manual transmission, a 5-speed Tiptronic automatic transmission was also available.
The C5 Sedan body arrived in 1997, and the Avant body in 1998 in Europe. In the US, the C4 continued for 1997, with the C5 sedan appearing in 1998, and the C5 Avant appearing in 1999. However, in Canada, there was no Avant (wagon) available at all in 1998 -- Audi dropped the C4 Avant at the end of the 1997 model year, and jumped straight to the C5 Avant in 1999 in conjunction with its release in the US. The North American cars were identical with the exception of the Canadian models receiving daytime running-lights, and child-seat tethers (which were a common dealer-installed option in the US). All of the North American C5 A6 models received the 2.8 litre, 30-valve V6 engine. S6 and All-Roads were an exception to this.
In 2000 the A6 received a facelift which saw little change in the design of the car but presented a few notable changes in terms of engines. The 1.8 L engine was removed and replaced by a 2.0 L powerplant with 130 PS (96 kW). The 1.9 L TDI was tweaked into producing a maximum of 130 PS (96 kW) and 310 Nm (228 ft.lbf), receiving a 6-speed gearbox in the process. The 2.4's power was slightly upgraded and the 2.8 V6 was replaced by a 3.0 L engine boosting 220 PS (162 kW). The turbocharged 2.7 L was given a tweak on the turbo resulting in 250 PS (184 kW) and 330 Nm (244 ft.lbf), controlled by standard quattro. The V6 Diesel was also slightly modified resulting in 163 PS (120 kW) (after the second modification) and 350 Nm (258 ft.lbf). A new more powerful V6 diesel was also introduced presenting 180 bhp and 370 nm. In addition, A6's bound for North America were now available with the turbocharged 2.7 L engine and the 4.2 L V8 borrowed from the Audi A8.
Read more at Wikipedia.org
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