/ @youcartv   20192021 Jeep Wrangler 4door rolls over during IIHS crash test

The Jeep Wrangler 4door earns a marginal rating in the driverside small overlap front crash test because it tipped over onto its passenger side after striking the barrier.

The midsize SUV, which was redesigned in 2018, was evaluated in three separate driverside small overlap crash tests, one by Fiat Chrysler as part of the Institute's verification test program and two at the Institute's Vehicle Research Center. In both tests conducted by IIHS, the Wrangler rolled onto its passenger side after striking the test barrier.

The 2020 Wrangler performed well by the normal metrics used to evaluate performance in the driverside small overlap test. The driver's space was maintained well, and the dummy's movement was wellcontrolled. However, the partial rollover presents an additional injury risk beyond what the standard criteria are intended to measure. A vehicle tipping onto its side is not an acceptable outcome for a frontal crash, and as a result, the Wrangler's overall rating was downgraded to marginal.

Rollovers — even partial ones like those that occurred in the Jeep Wrangler tests — are especially dangerous crashes, in part due to the risk of complete or partial ejection. This is a particular concern in the Wrangler, which has a roof and doors that can be removed. The Wrangler also lacks side curtain airbags designed to deploy in a rollover to keep occupants inside. It is not required by regulation to have side curtain airbags because of its removable roof.

The redesigned Wrangler was eligible for a driverside small overlap rating based on manufacturer testing because the model's previous generation earned a good rating in the test. Under the verification program, IIHS assigns a rating based on video of the manufacturer test and other documentation.

In the test that Fiat Chrysler submitted, the Wrangler did not tip over.

IIHS conducts audit tests of some vehicles in the verification program to ensure the integrity of the program. The Wrangler was selected for one of these audit tests.

After the vehicle tipped over in the audit test, Fiat Chrysler questioned whether this outcome was related to the method that IIHS engineers had used to attach the vehicle to the crash propulsion system. IIHS agreed to conduct a second test using a different method, which was approved by Fiat Chrysler. The second test also ended with the vehicle tipping on its side.

The Wrangler earns good ratings in the moderate overlap front, side, roof and head restraint evaluations.

The 2020 Jeep Wrangler is available with an optional vehicletovehicle front crash prevention system that earns a superior rating. In Institute track tests, it avoided collisions at 12 and 25 mph. It is not available with a pedestrian front crash prevention system.

The SUV earns poor ratings for both its base halogen headlights and premium LED projector headlights.

► These results are valid only for models sold in the USA

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✅ Source: IIHS
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