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255/50 R17 Tyres

Everything we know about the 255/50 R17 tyre size: 4 owner reviews covering 70,002 miles of driving, and EU label data for the tyres you can actually buy in it.

  • 4owner reviews
  • 70,002 milescovered on them
  • 8tyres made in this size
255/50 R17 To scale, mm
Ø 687 255 128 17" 128

255/50 R17 EU tyre label data

EU label values are declared for each individual size, so the figures here are exact for 255/50 R17 rather than a range across a model. 1 tyres carry label data in this size. The most common load index is 101 (up to 825 kg per tyre). Speed ratings on offer: V (240 km/h). 1 tyres in this size carry the 3PMSF severe snow marking.

72dB Quietest tyres

The quietest 255/50 R17 tyres are labelled at 72 dB external noise:

Label values come from the EU EPREL database and apply to the EU market versions of each tyre. Wet grip and rolling resistance run from class A (best) to E; noise is the measured drive-by figure. A good label is a floor, not a verdict - the tests and owner ratings above tell you far more.

What does 255/50 R17 mean?

A 255/50 R17 tyre is 255 mm wide, its sidewall is 50% of that width (128 mm) tall, and it fits a 17 inch wheel. That gives an overall diameter of roughly 687 mm.

255/50 R17 nominal dimensions
Section width255 mm
Sidewall height128 mm
Rim diameter17" (432 mm)
Overall diameter≈ 687 mm
Circumference≈ 2,158 mm
Revolutions per km≈ 463
Revolutions per mile≈ 746

Also written as

255/50R17 255/50 ZR17 255-50-17 255 50 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 255/50 R17 tyres?

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

What drivers say about their 255/50 R17 tyres

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

76%
Continental Sport Contact 5 255/50 R17 Mercedes Benz 190 2.3 16 2 miles March 17, 2022
Average wet grip Performs well on dry roads Noise level below Average Handling good Brake distance on dry roads good Brake distance on wet roads Average
74%
Federal SS595 SUPER STEEL 255/50 R17 Ford Mustang gt 5,000 miles February 17, 2021
These tires are unbeatable at this price point. They perform very well, and are sticky. The drawbacks are they’re loud and they wear out fast. These tires are fine in the wet, they resist hydroplaning very well. Not sure why people are complaining about the wet performance, you’re not really supposed to take corners hard in the rain, no matter what tires you have. For normal rain driving, they’re very good and don’t hydroplane easily. I can deal with the noise, and the quick wear based on how cheap they are. I even had to use them in the snow a few times and they did fine. Bottom like, they look great, and perform great, but they’re noisy and they wear fast. Id definitely buy them again, I am on my 2nd set
86%
Goodyear Eagle NCT5 255/50 R17 Volvo S40 1.6d 50,000 miles April 18, 2013
Great wearing tire. I have them on since I got the car, Volvo S40 1.6D. I've put 50,000miles on them. Can't complain about grip, wet or dry. On the expensive side. Changing now but going for the Vredestein Sportrac 5.
100%
Wanli S1063 255/50 R17 SEAT Altea 15,000 miles November 25, 2011
Great Tyres good tread and great in the snow, never had any issue in the wet a great budget tyre wearing better than main brands which i have used before on this car

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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.

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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