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by sandworm101 1269 days ago
Winter driving cover a broad range of conditions, from "I see snowflakes" to "are we still on a road?" Alleged "snow tires" that are good enough in the former can be next to useless in the later.

I helped an AWD SUV/crossover thing ten feet off the road a couple weeks ago. It was in very deep fluffy/dry snow, half on its side, sitting its weight on the snow rather than the tires. Only one wheel actually turned (front left). The AWD/TC system was literally out of its depth. 4WD, potentially with locking diffs, would not have had that problem. Once we pulled it enough to get some weight on the wheels, the AWD system kicked in and helped drive it back onto the road.

The guy had what he thought were snow tires (snowflake mountain symbol) but looking at the treads myself I didn't see the small grooves that imho are typical of proper snow tires. They looked like all seasons perhaps with some extra silicon to qualify for the badge.

1 comments

If the weight of the vehicle is not on the wheels then locking diffs or snow tires won't help. If you are high centered you are high centered and you have to solve that problem first.
Typically, when you go off the road with some speed you will be high on the front but less so on the back. In this case we couldn't really tell as the rear wheels were not turning (AWD likely defaults to FWD for most driving conditions). In these cases I don't like digging around too much for fear that the car will settle/shift onto someone. We grabbed at the front bumper tow point, rotating the car 45* counterclockwise. At some point during this the rear axel decided to start helping and it half drove itself back onto the road.