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205/50 R18 Tyres

Everything we know about the 205/50 R18 tyre size: 3 owner reviews covering 20,024 miles of driving, and EU label data for the tyres you can actually buy in it.

  • 3owner reviews
  • 20,024 milescovered on them
  • 1tyres made in this size
205/50 R18 To scale, mm
Ø 662 205 103 18" 103

What does 205/50 R18 mean?

A 205/50 R18 tyre is 205 mm wide, its sidewall is 50% of that width (103 mm) tall, and it fits a 18 inch wheel. That gives an overall diameter of roughly 662 mm.

205/50 R18 nominal dimensions
Section width205 mm
Sidewall height103 mm
Rim diameter18" (457 mm)
Overall diameter≈ 662 mm
Circumference≈ 2,080 mm
Revolutions per km≈ 481
Revolutions per mile≈ 774

Also written as

205/50R18 205/50 ZR18 205-50-18 205 50 18

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 205/50 R18 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 205/50 R18 tyres

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

61%
Michelin Primacy 3 205/50 R18 Skoda 16 miles April 14, 2023
This is an OK tyre, does not do anything particularly well, average mileage. The one things that let these tyres down is the wet performance, with poor wet braking and total lack of grip with any standing water and will aquaplane in a puddle. This was so bad I replaced after 16,000 miles with over 3mm of tread left. Have changed to CrossClimate 2 SUV’s which are much better.
29%
Apollo Aspire 4G 205/50 R18 Ford Focus 2.0 TDCI Titanium 8 miles April 14, 2022
scared to pull out of a Junction on a wet road no grip Car just jumps on front end
20%
Achilles ATR Sport 205/50 R18 Nissan Nissan Altima U13 1996 20,000 miles June 6, 2020
Im using this tyre for about less than a year, the side wall start to crack. Not only 1 crack, but 3 cracks. At the price of this tyre, safety are not priority on this tyre. It was slippery during dry and very worst at wet road. I use this tyre as daily, using at downhill and wet road are the worst experience ever on this tyre. Plus, its quite noisy on dry road.

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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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