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- Winter tires are softer that is a fact
- They will also melt on hot summer days when temperature is over +15 celsius quite easily
- They will have lower rolling resistance factor that is also a fact. That softer rubber has better grip on icy roads but that does not mean that they dont roll good on summer or winter. For summer the braking distances become too long because they dont have enough grip a hard tarmac.
That my video was a Nokian tires own made and they say that Hakkapeliitta R is best tire at the moment. That is also what they recommend to all projects who try to minimize their fuel consumtion.
Reason why they dont work on my lupo 3l as good as summer tires 145/80R14
- They are 30 mm wider
- ET on the rims are different, they come too much outside from the wheel well --> effect aero
- Wheels are over 2 kg heavier. i believe the tires are also little bit heavier
+ They are about 3% taller which is the reason why I wanted that size first but that was not enough to cover those negative effects.
On the video G2tdi posted that guy says that they have seen best tires for that car be narrow 135/80 or 85R15 like used on citroen 2cv etc. They can be good and I also tested them on my lupo. My rims on those tires were again such that the wheels com etoo much outside from the wheel wells...
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