Volvo XC60, Honda Civic, Lincoln MKZ, Mazda6: Top Safety Pick Plus

The 2013 Volvo XC60, Honda Civic, Lincoln MKZ, and Mazda 6 are all among the latest group of new vehicles to get the top nod from the Insurance Institute for Highway Safety (IIHS) this week.

All four managed to earn top 'good' ratings in frontal, side, and rear impact tests, as well as in the roof strength test—and at least an 'acceptable' score in the new IIHS small overlap frontal test—adding up to Top Safety Pick+ status in each case.

However the 2013 Honda Civic and 2013 Volvo XC60 stand above those other two models, in achieving top 'good' ratings in the small overlap test, too—a qualification that the IIHS might require for Top Safety Pick+ status in future model years.

As the IIHS notes, both Honda and Volvo made accommodations for 2013—structural for the Civic and related to airbag deployment in the XC60—to perform better in the new crash test, which measures cabin intrusion and occupant forces in an impact that simulates a particularly deadly or injurious type of accident, when the corner of the vehicle hits a utility pole or another vehicle. The IIHS test is run at 40 mpg, with the vehicle hitting a rigid barrier that overlaps with 25 percent of the front end.

The 2014 Mazda 6 is an improvement over the previous 2009-2013 Mazda 6 because it steps both its rear crash protection and roof strength performance up to 'good.' Yet the new Mazda 6 didn't do any better than the previous-generation 6 overall in the small overlap test, which had already been run with a 2012 model. It avoided the previous model's 'moderate' score for kinematics and restraints; although in five other measures, it only earned top 'good' scores in two.

As for the Lincoln MKZ (for which the IIHS extended results from an earlier test of the closely related 2013 Ford Fusion SE), it did a bit better, with top 'good' ratings in all injury measures although 'acceptable' scores in the structural and kinematics/restraints categories.

The Top Safety Pick+ list remains quite exclusive for 2013, with a total of just 18 models qualifying for the new top tier at this time. More models are slated to be tested before the end of the model years, however, including a batch of compact crossovers later this month.

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