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145/55 R17 Tyres

Everything we know about the 145/55 R17 tyre size: 1 owner reviews covering 3,000 miles of driving, and EU label data for the tyres you can actually buy in it.

  • 1owner reviews
  • 3,000 milescovered on them
145/55 R17 To scale, mm
Ø 591 145 80 17" 80

What does 145/55 R17 mean?

A 145/55 R17 tyre is 145 mm wide, its sidewall is 55% of that width (80 mm) tall, and it fits a 17 inch wheel. That gives an overall diameter of roughly 591 mm.

Section width145 mm
Sidewall height80 mm
Rim diameter17" (432 mm)
Overall diameter≈ 591 mm
Circumference≈ 1,858 mm
Revolutions per km≈ 538
Revolutions per mile≈ 866

Also written as

145/55R17 145/55 ZR17 145-55-17 145 55 17

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

Comparing two sizes? Use the tyre size calculator →

What cars use 145/55 R17 tyres?

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

Alfa Romeo GT 1.9 JTD 1 reviews in this size

What drivers say about their 145/55 R17 tyres

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

72%
Federal SS595 SUPER STEEL 145/55 R17 Alfa Romeo GT 1.9 JTD 3,000 miles January 20, 2011
Okay so these were a bit of a gamble, but the Toyo Proxes I have been using just wear out too quickly (12K - 14K Miles) and a puncture on new year's day meant I needed a quick and cheaper solution.

They are good tyres! The wet grip isn't quite as good as the Toyos', but not by much, and the general handling and feel of them is fine. Road noise is a little different but not intrusive. Wear seems to be even although I haven't done many miles on them.

Definitely worth a try.

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Where this data comes from

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

About the TR Score

The Tyre Reviews Score rates each tyre 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.

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Who does the testing

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

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