205/50 R18 Tires
Everything we know about the 205/50 R18 tire size: 3 owner reviews covering 20,024 miles of driving, and EU label data for the tires you can actually buy in it.
- 3owner reviews
- 20,024 milescovered on them
- 1tires made in this size
What does 205/50 R18 mean?
A 205/50 R18 tire 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.
| Section width | 205 mm |
|---|---|
| Sidewall height | 103 mm |
| Rim diameter | 18" (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 tire runs a few percent smaller, and true widths vary slightly between makes.
What cars use 205/50 R18 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 205/50 R18 tires
The most recent owner reviews fitted in this size, in their own words.
Drive on 205/50 R18 tires?
Review your tires and help the next driver choose. It takes about five minutes, and every review on this page came from a driver who took them.
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.

