Quote:
Originally Posted by Vekke
My new 175/70R14 hakkapeliitta R winter tires arent working at all in my favor. Fuel consumtion is at 4 liter levels. Wife took of the rear spoiler and need to put it back to see what is that effect to Fuel consumtion. Starting to think buying 155/65R14 hakkapeliitta R and try to sell current tires.
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Winter tires usually have softer rubber mixture = more traction = more friction
