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Rollover tests performed on 12 midsize SUVs by the IIHS

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Khatir Soltani
As reported by Insurance Institute for Highway Safety

ARLINGTON, Va. -
New test results show that some automakers are doing a good job of designing vehicle roofs that perform much better than current federal rollover standards require. The roofs on other vehicles need improvement. In the first Insurance Institute for Highway Safety roof strength tests of midsize SUVs, 6 earn the top rating of good for rollover protection, 1 is acceptable, and 5 others earn the second lowest rating of marginal.

2010 Chevrolet Equinox (Photo: Matthieu Lambert/Auto123.com)

Midsize SUVs earning good ratings are the 2010 Chevrolet Equinox (twin GMC Terrain) built after March 2010, Jeep Liberty (twin Dodge Nitro), Toyota Highlander and Venza, plus the Jeep Grand Cherokee and Kia Sorento, both 2011 models. The 2010 Ford Edge is rated acceptable. The worst performers, which earn marginal ratings, are the Honda Accord Crosstour, Honda Pilot, Mazda CX-7, Mitsubishi Endeavor, and Nissan Murano, all 2010 models.

In addition to earning good ratings for rollover protection, the Equinox, Grand Cherokee, Highlander, Sorento, and Venza also earn the Institute's TOP SAFETY PICK award. To achieve this, a vehicle has to earn good ratings for occupant protection in front, side, rear, and rollover crashes. It also has to have electronic stability control.

The rollover rating system is based on Institute research showing that occupants in vehicles that roll benefit from stronger roofs. Vehicles rated good must have roofs that are more than twice as strong as the minimum required under the current federal safety standard. The ratings, products of the Institute's roof strength testing program, add to consumer information tests that rate vehicles' front, side, and rear crashworthiness. The rollover test is designed to help consumers pick vehicles that will protect them the best in one of the most serious kinds of crashes.

"Midsize SUVs are a big group so we're testing them in stages," says Institute president Adrian Lund. "First results show that automakers are making progress in rollover protection, but it's disappointing that a new design like the Crosstour didn't perform better."

2010 Mazda CX-7 (Photo: Matthieu Lambert/Auto123.com)
Khatir Soltani
Khatir Soltani
Automotive expert
  • Over 6 years experience as a car reviewer
  • Over 50 test drives in the last year
  • Involved in discussions with virtually every auto manufacturer in Canada