New Audi A4 allroad quattro 2012 Teaser [HD] (Option Auto News) New Audi A4 allroad quattro 2012 Engines Audi will initially offer three different engines for the A4 allroad quattro: a gasoline unit and two diesel engines. All three are turbocharged with direct fuel-injection as per the TFSI or TDI principle. They are impressive for their excellent performance, impressive pulling power, smooth running, and high fuel efficiency. The 2.0 TFSI -- voted "Engine of the Year" on four consecutive occasions by an international panel of experts -- incorporates three high-end technologies in this latest stage of its evolution: FSI direct gasoline injection, turbocharging, and the Audi valvelift system, which Boosts pulling power by variably controlling the Exhaust valves' lift. Direct fuel injection and turbocharging have been a successful combination at Audi for years, as the R8 racing car has demonstrated with its triumphs at the Le Mans 24 Hours and many other events. High compression ratio: Ensuring excellent efficiency In the high-volume engine as well, this technological twosome is a perfect solution. Injected at a pressure of 150 bar in the 2.0 TFSI and then swirled by flaps, the gasoline vaporizes and thus removes heat from the combustion chambers -- this in turn solves the conventional turbocharging problem of engine knock. This facilitates a compression ratio of 9.6:1 for excellent efficiency. The 2.0 TFSI, which delivers power from a displacement of 1,984 cm3, provides additional high-tech features. All components have been designed to minimize friction and the oil pump works very efficiently. The crankcase weighs just over 30 kilograms (66 pounds). Two balance shafts contribute to excellent refinement, and the intake camshaft can be adjusted by 60 degrees. The turbocharger and its Intercooler have been optimized for sporty responsiveness and a high efficiency ratio. Between 1,500 and 4,200 rpm, the four-cylinder engine delivers 350 Nm (258.15 lb-ft) of torque to the crankshaft. Peak output is 155 kW (211 hp). In conjunction with the S tronic dual-clutch transmission, the 2.0 TFSI propels the Audi A4 allroad quattro to 100 km/h (62.14 mph) in just 6.9 seconds, and to a top speed of 230 km/h (142.92 mph). On average, it consumes a mere 8.1 liters of fuel per 100 km (29.04 U.S. mpg).

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