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Best safety performance


Best safety performance

A vehicle with good braking and emergency handling can help you avoid an accident. Typically smaller, sportier vehicles perform well in these tests and larger trucks are slower to maneuver.

Consumer Reports crucial emergency driving tests include an avoidance maneuver and a series of at-the-limit cornering assessments around a handling course-a snaking track loop. The avoidance maneuver is a “path-following test” in which the driver pilots the car down a lane marked off by traffic cones with a quick left-right-left sequence. That simulates swerving to avoid an obstacle in the road, then returning to the original lane to avoid oncoming traffic. The car threads through the course, without throttle or brakes, at ever-higher speeds until it can’t get through without hitting any cones. When testing on-limit handling, drivers push the car to and beyond its limits of cornering capabilities to simulate entering a corner too quickly. Test engineers evaluate how controllable, secure, and forgiving-or not-the car is.

Our automotive engineers also perform a series of brake tests from 60 mph to zero on wet and dry pavement to measure performance. The test car is rigged with a pavement-scanning optical device that records precise stopping times and distances. To evaluate antilock brakes, we use a wet roadway where the pavement under the left wheels is much slicker than the pavement under the right wheels. We also judge brake-pedal modulation.

Here are the highs and lows in our dry braking test (from 60 mph) and avoidance maneuver, the higher its speed, the better.

Best models ft.
Porsche Boxster (base)

112

Maserati Ghibli S Q4 115
Mercedes-Benz SLK250 115
Porsche Panamera S 116
Chevrolet Camaro 2SS convertible

117

Chevrolet SS 118
Ford Fiesta ST 118
BMW 135i

119

Worst models ft.
Ford F-250 Lariat

157

Best models mph
BMW 135i

58.5

Mazda MX-5 Miata Grand Touring

58.0

Nissan 370Z Touring

58.0

Porsche Boxster (base)

58.0

Cadillac ATS Luxury 57.5
Chevrolet Spark 1LT 57.5
Ford Fiesta ST 57.0
Worst models mph
Ford F-250 Lariat 41.5
Mercedes-Benz GL350 BlueTec 44.5
Toyota Tundra SR5

44.5

Jeep Wrangler Unlimited Sahara

45.0

Consumer Reports has no relationship with any advertisers or sponsors on this website. Copyright © 2007-2013 Consumers Union of U.S.

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