The updated NHTSA filing now lists the turbocharged four-cylinder as "not rated."

Well, it was nice while it lasted. It turns out the impressive 368 horsepower output of the turbocharged four-cylinder engine inside the highly anticipated 2018 Jeep Wrangler might’ve been a typo. The updated NHTSA document now lists the 2.0-liter engine as “not rated,” so we don’t know how much power it will actually produce. Older reports do suggest the turbo-four engine pictured below and codenamed “Hurricane” will have somewhere in the region of 300 hp, which isn’t half bad.

Gallery: 2018 Jeep Wrangler four-cylinder Hurricane engine spied

It was probably too good to be true as we would have had a Jeep Wrangler nearly as powerful as a 375-hp Mercedes-AMG CLA 45, which is currently the strongest four-cylinder production car in the world along with the A45 hatchback and the GLA45 crossover. We can’t say that we are entirely surprised taking into account last week a source close to Jeep told Road & Track that power number was “dead wrong.”

2018 Jeep Wrangler NHTSA document

The updated table doesn’t bring any other changes to the new Jeep as the larger Pentastar 3.6-liter V6 engine continues to have the same 285 hp like it does in the current Wrangler JK.

Mitsubishi Lancer Evolution X FQ-440 MR special edition

As a side note, the “45” models from Mercedes-AMG are not the most powerful four-cylinder road-going cars the automotive industry has ever seen. Some will remember that back in 2014, Mitsubishi sold a Lancer Evolution X FQ-440 MR in the United Kingdom. Limited to just 40 examples at £50,000 a pop ($82,725 as per the exchange rates from March 26, 2014), the bonkers sedan had a turbocharged 2.0-liter mill rated at a whopping 440 hp (328 kW) and 412 lb-ft (558 Nm).

Mercedes-AMG has promised to up the power ante with the next generation of its “A45” models as these will be dialed to hit or even exceed the 400-hp mark. An even more powerful version rumored to carry the “Predator” codename is on the agenda, but we won’t take that into consideration since it will be electrified.

Source: The Truth About Cars, JL Wrangler Forums

Gallery: 2018 Jeep Wrangler Rubicon Spy Photos

Photo by: Automedia
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