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Nokian Powerproof

245/40 R18 Nokian Powerproof variants

Nokian Powerproof is a summer tyre made in total of 53 sizes, ranging from R17 to R17 - this particular dimension is R18, which means it fits to a 18 inch/457.2mm diameter wheel. 245/40 R18 is 40mm wider than the narrowest dimension (205) and 30mm narrower than the widest one (275). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (245mm), which results in 98mm sidewall height. In 245/40 R18, there is only one possible speed index for Nokian Powerproof - "Y", which is good for speeds up to 300 km/h. In 245/40 R18, Powerproof usually competes against Ventus S1 evo3 K127, which is a tyre from Hankook with a rating of 82%, compared to 76% of the Nokian in question.

245/40 R18 97 Y


Nokian Powerproof is made in 53 sizes, starting from 205/50 R17 up to 275/45 R20.

Similar tires

Nokian Powerproof in tyre tests

Relevant tyre tests in same or similiar dimension (245/40 R18)
Name WetDryEnviromental impact
Best values in test9,09,79,4
Nokian Powerproof7,68,07,3
Show test details
Source: reifenpresse.de
Name Stopping distance on dryStopping distance on wet
Best values in test32,128,7
Nokian Powerproof32,929,1
Show test details
Source: www.autobild.de
Name WetDryRunning costs
Best values in test11-1
Nokian Powerproof1- 2+2-
Show test details
Source: www.autobild.de
Autobild Summer tyre test 2019 245/45 R18
Ranked #7 of 11
Name WetDry
Best values in test1-1-
Nokian Powerproof3+2+
Show test details
Source: reifenpresse.de

245/40 R18 - Tyre price comparison

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Wet grip

Fuel consumption


Weight index

Speed index