WATCH: Putting winter tires to the test  Are winter tires worth
the price, or are you safe sticking with the all-weather
variety?  All season tires are made for a wide range of driving
conditions. they handle well most of the year, but when it comes
to winter and ice, they could lead you on a slick ride.  The
alternative to all season tires in the winter are dedicated
winter tires. A set of 4 winter tires gives you the ability to
stop quicker and grip icy roads faster, making for a smoother
ride.  "Between good winter tires and good all season tires, it
could be one to two car lengths at only twelve miles per hour;
now multiply that. It's not a straight linear multiplication
because of the effects of speed and mass. As you're out on the
roads at thirty and forty miles per hour or on the expressway,
that distance grows exponentially," says Woody Rogers of Tire
Rack  Tire testing was done on two different cars, one equipped
with all season tires, and one with dedicated winter tires.  In
the red car, equipped wi