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155/45 R17 Tires

Everything we know about the 155/45 R17 tire size: 1 owner reviews covering 500 miles of driving, and EU label data for the tires you can actually buy in it.

  • 1owner reviews
  • 500 milescovered on them
155/45 R17 To scale, mm
Ø 571 155 70 17" 70

What does 155/45 R17 mean?

A 155/45 R17 tire is 155 mm wide, its sidewall is 45% of that width (70 mm) tall, and it fits a 17 inch wheel. That gives an overall diameter of roughly 571 mm.

155/45 R17 nominal dimensions
Section width155 mm
Sidewall height70 mm
Rim diameter17" (432 mm)
Overall diameter≈ 571 mm
Circumference≈ 1,795 mm
Revolutions per km≈ 557
Revolutions per mile≈ 897

Also written as

155/45R17 155/45 ZR17 155-45-17 155 45 17

Figures are calculated from the nominal size. A loaded, rolling tire runs a few percent smaller, and true widths vary slightly between makes.

Comparing two sizes? Use the tire size calculator →

What cars use 155/45 R17 tires?

The cars most often running this size in our owner reviews. Each links to the best rated tires for that exact car.

What drivers say about their 155/45 R17 tires

The most recent owner reviews fitted in this size, in their own words.

50%
Michelin Pilot Street 155/45 R17 Kawasaki Ninja 250 500 miles July 13, 2024
Just fine on dry pavement. But go super easy in wet weather. At 35 km per hour with no throttle or brake input they slid out from under me in a tight but steady corner in the wet. No warning.

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Where this data comes from

Owner ratings are submitted through the review form on this site, naming the tire, the size and the distance covered, and are checked by hand before publication. Test results come from independent published tire tests indexed by size, and label values from the EU EPREL database.

About the TR Score

The Tire Reviews Score rates each tire out of 10 using independent test results and the full body of owner reviews, so you can check a car-specific ranking against the wider evidence.

Who does the testing

Every test published as a Tire Reviews test is run by Jonathan Benson, who has been testing tires independently since 2007.

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