Monday, March 26, 2012

2012 Audi A6 Allroad Quattro

The Audi A6 allroad quattro is available with a choice of four powerful and highly cultivated V6 engines – one TFSI gasoline engine and three TDI units. All are three-liter engines with turbocharging and direct injection. They make use of important technologies from the Audi modular efficiency platform – the start-stop system and innovative thermal management. Their fuel consumption has been reduced by as much as 20 percent compared with the previous model.




The three variants of the 3.0 TDI produce 150 kW (204 hp), 180 kW (245 hp) and 230 kW (313 hp); torque values are 450, 580 and 650 Nm (331.90, 427.79 and 479.42 lb-ft). The entry-level version consumes on average just 6.1 liters of fuel per 100 km (38.56 US mpg), corresponding to 159 g CO2/km (255.89 g/mile). Audi will soon offer a particularly low-emissions clean diesel version of the 180 kW (245 hp) engine. The twin-turbo 3.0 TDI developing 230 kW (313 hp) is a powerful, great sounding engine. It accelerates the A6 allroad quattro from zero to 100 km/h (62.14 mph) in 5.6 seconds; the top speed is an electronically regulated 250 km/h (155.34 mph).

The most powerful TDI delivers its power to a smooth and fast-shifting eight-speed tiptronic transmission. The three other engines are paired with the seven-speed S tronic, a sporty dual-clutch transmission. With their wide ratio spreads, the automatic transmissions are major contributors to the efficiency of the A6 allroad quattro. The driver can operate them manually, including via optional paddles on the steering wheel.

The quattro permanent four-wheel drive system is paired with torque vectoring. During dynamic driving this system brakes the wheels on the inside of the curve, which are under a reduced load, before they can slip. This further enhances traction and handling. The optional sport differential distributes the power in continuously variable proportions between the rear wheels.

The Audi A6 allroad quattro rolls on 18-inch, five-arm alloy wheels and 235/55-size tires. Audi and quattro GmbH offer optional wheels measuring 18, 19 and 20 inches in diameter. The large brakes provide powerful deceleration. The driver can activate a hill descent assist function for steep downhill passages. This limits the speed to between 10 and 20 km/h (6.21 and 12.43 mph), depending on the surface.

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