Quote:
Originally Posted by SmartDigger
What makes the smart so different from every other car that runs all season tires on the front?
I would be interested in picking up a set of rear OEM rims to put snows on them.
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As has been mentioned, you really need to put snow tires on all four wheels. All manufacturers now recommend that in their owner's manuals and for good reason. Having different tire internal construction, tread design, and hardness of tread compound on front and rear is a recipe for handling problems. You not only need to start off in snow and ice conditions, you also need to be able to stop and turn. That is where the handling issue really come into effect. Having different tire types on front and rear can even affect straightline driving since no road is perfectly flat and there is always wind to consider from weather conditions and passing vehicles.
Tire Rack has a short write up on this as well - see
Winter Tech - Four Winter Tires...The Only Way To Go
There's more information here as well. -
Winter Tech - Winter Tire FAQs
And here is more pertinent information -
Winter Tire Safety Tips - Road & Motor Vehicles Safety - Road Transportation - Transport Canada
True snow tires have very different tread compounds. They are much softer, and grip differently, even on ice.
For true snow tires look for the peaked mountain and snowflake symbol on the sidewall. Tires with the designation M&S are not snow tires, they are all season tires. All season tires are not acceptable in icy or snow conditions despite the fact that they are called "all season". They are only one step removed from summer tires which should never be used in winter conditions.
By the way, snow tires should be narrower than the summer or all season tires they replace. Keep the same diameter.
Here's some information on different brands -
CanadianDriver Winter Tires