The all-new 2018 VW Tiguan SUV is going to arrive this summer and VW has released the details about what will power the US-spec Tiguan. The 2018 Tiguan will be powered by a new 2.0L, which is an updated version of EA888 turbocharged four-cylinder engine that originally debuted in the 2009 CC.

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Compared with the 1.8-liter EA888 Gen 3 engine that powers the current Passat, Jetta, Beetle, and Golf family models, the new 2.0-liter EA888 Generation 3B is expected to offer improved fuel efficiency along with a 20 percent boost in torque to 221 lb-ft. The majority of the engine—from the cast-iron block to the aluminum-alloy pistons and cylinder head to the valve springs—has been updated.

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One other big update is the introduction of a modified Miller combustion cycle that is unique to the Volkswagen Group. Whereas the traditional Miller cycle closes the intake valves just before the end of the intake stroke, the so-called Budack-cycle closes the intake valves much earlier. This results in longer effective combustion as well as faster air flow for the incoming gases, which improves the mixing of the fuel and air. The end result is lower fuel consumption and more torque than the 2.0-liter that powers the last-gen 2017 Tiguan.

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In the Tiguan the new 2.0L generates 184 horsepower at 4,400 rpm and maximum torque of 221 lb-ft is achieved at 1,600 to 3,940 rpm. The new 2.0-liter TSI engine will be the only engine offered in the 2018 Tiguan and it will eventually be offered in the rest of the VW lineup.

Source: VW