UPDATED: 2/22/18 3:02 pm ET – adds video
The Cadillac XT5 and Subaru Outback fared the best in the Insurance Institute for Highway Safety’s new rear-crash prevention rating system, which pinpoints models that can prevent or reduce low-speed backing crashes.
IIHS assessed rear auto-brake systems on six 2017 model vehicles: the BMW 5-series sedan, Cadillac XT5 crossover, Infiniti QX60 crossover, Jeep Cherokee SUV, Subaru Outback wagon and Toyota Prius hatchback, the organization said in a release.
“The six cars that we’ve published ratings for are the most popular model for each of the six automakers that are currently offering rear autobrake technology,” IIHS chief research officer David Zuby told Automotive News. “At the time we set this up, it was only Cadillac, Subaru, BMW, Infiniti, Jeep and Toyota who sold anything with rear AEB, and we just chose the most popular model from each of those makes.”
The three-tier rating system evaluates models with optional or standard rear crash prevention systems including, parking sensors, rear cross-traffic alert and rear automatic braking systems, and gives vehicles a “superior,” “advanced” or “basic” rating.
With all three of the features, the XT5 and Outback garnered a superior rating, while the Cherokee, 5 series, QX60 and Prius earned an advanced rating.
IIHS engineers carried out eight individual scenarios for each model — six of which involve backing toward the rear of another car, said Zuby. Two scenarios for backing up while turning to the right, two for reversing and turning to the left, and two for reversing back in a straight line.
“The reason there are six instead of three is that we’ve got two different orientations for the car that you’re backing toward,” said Zuby.
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