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245/55 R20 Tires

Everything we know about the 245/55 R20 tire size: 1 owner reviews covering 8,000 miles of driving, and EU label data for the tires you can actually buy in it.

  • 1owner reviews
  • 8,000 milescovered on them
  • 1tires made in this size
245/55 R20 To scale, mm
Ø 778 245 135 20" 135

245/55 R20 EU tire label data

EU label values are declared for each individual size, so the figures here are exact for 245/55 R20 rather than a range across a model. 1 tires carry label data in this size. The most common load index is 104 (up to 900 kg per tire). Speed ratings on offer: W (270 km/h).

71dB Quietest tires

The quietest 245/55 R20 tires are labelled at 71 dB external noise:

Label values come from the EU EPREL database and apply to the EU market versions of each tire. 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 245/55 R20 mean?

A 245/55 R20 tire is 245 mm wide, its sidewall is 55% of that width (135 mm) tall, and it fits a 20 inch wheel. That gives an overall diameter of roughly 778 mm.

245/55 R20 nominal dimensions
Section width245 mm
Sidewall height135 mm
Rim diameter20" (508 mm)
Overall diameter≈ 778 mm
Circumference≈ 2,443 mm
Revolutions per km≈ 409
Revolutions per mile≈ 659

Also written as

245/55R20 245/55 ZR20 245-55-20 245 55 20

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 245/55 R20 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 245/55 R20 tires

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

59%
Michelin Primacy 4 245/55 R20 Citroën DS7 4x4 E tense 8,000 miles November 15, 2022
These tires came standard on both the Kia Proceed and my parents their DS7. Personally these tires are not Michelins best work. They handle and grip very good in both dry and wet conditions with good levels of road feedback. But the comfort levels are way below acceptable for a premium tire! They offer a harsh ride and make alot of noise in the cabin. This while the DS7 has special active scan suspension to even out every little bump in the road and has high levels of sound insulation and layered glass windows! Got rid of the Michelins on the Kia for the CC2. On the DS7 they were wore down after only 10000km! The dealership filed a complain with Michelin because alot of costumers have come in with the same problem.

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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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