285/40 R17 Tires
Everything we know about the 285/40 R17 tire size: 2 owner reviews covering 12,500 miles of driving, and EU label data for the tires you can actually buy in it.
- 2owner reviews
- 12,500 milescovered on them
- 7tires made in this size
285/40 R17 EU tire label data
EU label values are declared for each individual size, so the figures here are exact for 285/40 R17 rather than a range across a model. 1 tires carry label data in this size. The most common load index is 100 (up to 800 kg per tire). Speed ratings on offer: (Y) (301 km/h).
74dB Quietest tires
The quietest 285/40 R17 tires are labelled at 74 dB external noise:
- Pirelli P ZERO Asimmetrico Summer 8
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 285/40 R17 mean?
A 285/40 R17 tire is 285 mm wide, its sidewall is 40% of that width (114 mm) tall, and it fits a 17 inch wheel. That gives an overall diameter of roughly 660 mm.
| Section width | 285 mm |
|---|---|
| Sidewall height | 114 mm |
| Rim diameter | 17" (432 mm) |
| Overall diameter | ≈ 660 mm |
| Circumference | ≈ 2,073 mm |
| Revolutions per km | ≈ 482 |
| Revolutions per mile | ≈ 776 |
Also written as
285/40R17 285/40 ZR17 285-40-17 285 40 17
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 285/40 R17 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 285/40 R17 tires
The most recent owner reviews fitted in this size, in their own words.
they refuse to wear down. These are my "super car tires". You better get some
before you have to go and find a tyme machine to go back acouple years just to get another pair. Zooom
Drive on 285/40 R17 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.

