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    What is the minimum tread depth for summer tyres in Finland?

    The legal limit and the safer depth for summer tyres.

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    Short answer

    The law requires at least 1.6 mm of tread on summer tyres. Taloustaito, quoting Traficom, recommends at least 4 mm for safety, because worn tyres lose grip on wet roads and increase the risk of aquaplaning.

    Transport, roads, car rental

    Why

    1. Taloustaito gives 1.6 mm as the legal minimum for summer tyres.
    2. The same article recommends at least 4 mm for safety.
    3. Taloustaito advises checking tyre pressure and wheel bolts at the tyre change.

    Details

    Change to summer tyres according to conditions, not the date. Snow can return in April, especially in the north.

    Tip

    Re-tighten the wheel bolts after about 100 km of driving on newly changed tyres.

    What may differ

    Winter tyres have a higher minimum of 3 mm when winter tyres are required.

    Common misconception

    Summer tyres are fine until the tread is completely gone.

    What actually happens

    The legal minimum is 1.6 mm, and 4 mm is recommended.

    People also ask

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    • When are winter tyres required in Finland?
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    Sources

    This answer is for reference only. Traffic rules and fees change, so check Traficom, Liikenneturva or the police before you drive.

    Transport, roads, car rental

    • Do foreign cars need a country sticker in Finland?

      The Automobile and Touring Club of Finland says a nationality sign is required on foreign cars in Finland, unless the vehicle is registered in a country that is party to the Geneva or Vienna Road Traffic Convention and carries EU number plates with the country code.

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    • What colour are motorway and main road signs in Finland?

      The Automobile and Touring Club of Finland (Autoliitto) says main roads in Finland have blue direction signs with white text, while motorways have green signs with white text.

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    • Does E10 petrol increase fuel consumption?

      VTT Technical Research Centre of Finland tested six used E10-compatible cars from model years 1999–2010 in laboratory conditions in 2011.

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    • Which petrol should you use in Finland, 95E10 or 98E5?

      Finnish pumps sell two main petrol grades: 95E10, with an octane rating of at least 95 and up to 10% ethanol, and 98E5, with at least 98 octane and up to 5% ethanol.

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