Definitely worths a try. I had not many choices for my Ka with original wheels. I only got these just so I wouldn't be stuck if it snows. I was pretty happy with it, very slow wear, very cheap to buy, worked good on light to moderate snowing with very minor icing here and there in town. Definitely very good with even the heaviest rain. It's loud, but given it's a Ka, not much of a deal. Comfort were mostly okay.

First things first: this is a cheap tyre. For about 150 euros/set, they were a bang for the buck. About performance: this is a good winter tyre, good grip on dry as well as braking, VERY good grip in snow (i was driving with confidence with the kittle Ka with over 70 km/h on a road covered with 5 cm of fresh snow with no problems at all) braking distance was decent. In fact, i can easily compare them with the Continental Contiwintercontact TS850 regarding driving in snow.
Now for the downsides: braking in wet conditions is horrible, you need to take a good distance from the front car if you don't want to crash in case of emergency. So goes with acceleration, the little 70 hp car will spin and spin and so on. Cornering is quite ok to say.. in wet conditions. I don't say it's a dangerous tyre, but caution must be exercised if it's raining. They are not noisy if it is cold outside, but if temperatures will reach about 10 deg C and above, they will make a lot of noise (the car has a poor sound dampening). I cannot comment too much about wear taking in consideration the fact that they were driven about 4000 km. I can say that in this time, with careful driving and managing they lost about 1.2 mm on front and about 0.5 on the back. I can say that this is not a strong point of them if you're planning to go lots of miles. For me it is ok, they will go for about 4, maybe 5 seasons.

Very good tyre in snowy and ice road.I had never stuck.

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Have about 3000 km with these tyres, and they're pretty good all rounder winter tyres, especially for their price.
Grip in dry is average, nothing special.
Grip in snow is fenomenal, I couldn't believe that they are cheap winter tyres. Very good traction, braking cornering, control. The ride was marked with confidece at say.. 80-90 km/h in 5 cm of new snow. In deep snow, got traction to the point when it almost reached the hood. No occasion to test them on black ice.
Grip in wet conditions - terrible. Bad traction, they will lose grip very fast, very bad braking, almost as going in snow. Although they won't lose grip during corners, this is a big minus.
Road feedback ok, not too noisy, soft sidewall resulting in a pretty comfortable ride.
A best bang for the buck from my perspective and I would recommend them any time, to anyone looking for a budget tyre. The car being driven mainly in town, a premium tyre was not necessary at all.