Best 285/40 R17 Tires. Rims & Conversion Info
Best 285/40 R17 Summer Tires
Continental ExtremeContact Sport
Overall: 85.6% Dry: 88.7%Wet: 83%Comfort: 87%Wear: 86.5%Buy again: 100%Check on Amazon
Nitto NT555 G2
Overall: 83.6% Dry: 86.7%Wet: 80%Comfort: 80%Wear: 90%Buy again: 75%Check on Amazon
Pirelli P Zero System
Overall: 66% Dry: 88%Wet: 69%Comfort: 69%Wear: 57%Check on Amazon285/40 R17 in inches
285/40 R17 tires' overall diameter is 26 inches, tire width is 11.2 inches, the tire can be mounted on 17 inches wheel and the circumference is 81.7". With that parameters, we can calculate that it will take approximately 775.5 revolutions per mile.
So the closest metric tire size of 285/40R17 existing size in inches is 32x11.50R17, which is 23.08% taller and 2.68% wider.
You can use our handy tire size calculator to compare 285/40 R17 vs 32x11.50R17.
Popular comparisons with this size
What rims fit 285/40 R17 tires?
For each tire size there often there are several wheel sizes. You can't put too wide tires on narrow rims or vice versa. Here is what size of the wheels your vehicle needs for 285/40 R17 tires:
Rim diameter x rim width
- 17x10
- 17x9.5
- 17x11
285/40 R17 – what does it mean?
| Parameter | Meaning |
|---|---|
| 285 | The first number shows that the tire has a section width of 285 mm or approximately 11.2 inches. |
| 40 | The second number is the aspect ratio or sidewall height. In this case, it is 40%. It shows the height of the tire from the ground to the rim edge or the height of the tire's cross-section which is 40% of the width or ~ 114mm |
| R17 | The letter R means this tire is radial. Most of all tires nowadays are radial. The number is the tire diameter in inches. It means that the tire will fit 17-inch wheels |
If you want to know more about how to decipher information inscribed on your tires, including aspects such as the tire height, tire width, and the diameter of the wheel, this guide provides an in-depth look at how to read a tire sidewall. These measurements can reveal a wealth of information about your tire's specifications and suitability for your vehicle. Mastering these details will allow you to make informed decisions when buying or replacing your tires.