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Audi Set to Debut a Super-Efficient 2.0-Liter Engine

(Credit: Audi)

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Audi Set to Debut a Super-Efficient 2.0-Liter Engine

2014 Audi A4

2014 Audi A4 (Credit: Audi)

Audi has been at the forefront of green technology as of late. We’ve already seen plenty of e-tron vehicles, an h-tron concept, and it even developed a synthetic diesel fuel that is carbon neutral. Now, Audi is set to debut an all-new 2.0-liter four-cylinder engine that will set new standards in fuel efficiency.

Audi is set to launch this engine at the Vienna Motor Symposium, then it will debut in production form in the A4 by the end of 2015. So, what’s so great about this engine?

First, being an Audi TFSI engine means that it puts out great power numbers for its size. Audi claims that once this new 2.0-liter TFSI hits showrooms, it will produce 190 horsepower and 236 pound-feet of torque, which is plenty for the A4. Second, Audi’s initial estimates put this engines fuel economy rating at more than 47 mpg on the NEDC, which is at least 0.7 mpg higher than the current A4 1.8 TFSI.

In order to keep the power high and the fuel consumption low, Audi engineered this engine with a system similar to the Miller cycle. This new system includes a shortened intake time, a higher boost on the inlet side, and an earlier closing of the intake valves (well before top dead center) to help increase compression. Additionally, in the partial load range, there is additional injection from the intake valves to create a more efficient air-fuel mixture, and the Audi Valvelift System shortens the intake time on the partial load and increases the time on the higher loads.

Other key factors in this engine’s efficiency are its reduced weight of 308.6 pounds, its reduced warmup time thanks to a controlled coolant flow, and its ability to use low-friction 0W-20 engine oil.

We’ll bring you more information as it becomes available.

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