Best 285/40 R21 Tires. Rims & Conversion Info
Best 285/40 R21 All-Season Tires
Michelin Pilot Sport All Season 4
Overall: 80.7% Dry: 84.3%Wet: 92%Snow: 71%Comfort: 80%Wear: 80%Buy again: 87%Check on Amazon
Continental ProContact TX
Overall: 35% Dry: 80%Wet: 75%Snow: 57%Comfort: 72%Wear: 68%Check on AmazonBest 285/40 R21 Summer Tires
Pirelli P Zero PZ4
Overall: 68.1% Dry: 88.5%Wet: 82.5%Comfort: 78.5%Wear: 57.5%Buy again: 71%Check on Amazon
Pirelli P Zero
Overall: 60.3% Dry: 83%Wet: 72.5%Comfort: 70.5%Wear: 57%Buy again: 56%Check on Amazon
Continental ContiSportContact 5
Overall: 35% Dry: 83%Wet: 74%Comfort: 74%Wear: 45%Check on AmazonBest 285/40 R21 Truck/SUV All-Season Tires
Pirelli Scorpion Zero All Season Plus
Overall: 91% Dry: 93%Wet: 91%Snow: 78%Comfort: 92%Wear: 87%Check on Amazon
Pirelli Scorpion Zero All Season
Overall: 65% Dry: 78.3%Wet: 65%Snow: 70%Comfort: 75%Wear: 40%Buy again: 70%Check on Amazon
Pirelli Scorpion Verde All Season
Overall: 54.6% Dry: 82.4%Wet: 75%Snow: 58.3%Comfort: 72.3%Wear: 66.3%Buy again: 62%Check on Amazon
Continental CrossContact LX Sport
Overall: 40.9% Dry: 71.2%Wet: 72%Snow: 49%Comfort: 73%Wear: 35%Buy again: 10%Check on AmazonBest 285/40 R21 Truck/SUV Summer Tires
Michelin Pilot Sport 4 SUV
Overall: 80.1% Dry: 83%Wet: 86.5%Comfort: 76.5%Wear: 76%Buy again: 72.5%Check on Amazon
Continental ContiSportContact 5 SUV
Overall: 71.3% Dry: 81%Wet: 80.5%Comfort: 72%Wear: 53.5%Buy again: 50%Check on Amazon
Pirelli Scorpion Verde
Overall: 66.6% Dry: 70.7%Wet: 70.5%Comfort: 70%Wear: 60.5%Buy again: 53%Check on AmazonBest 285/40 R21 Truck/SUV Winter Tires
Pirelli Scorpion Winter
Overall: 83.3% Dry: 83.7%Wet: 86%Snow: 84%Comfort: 84%Wear: 78.5%Buy again: 80%Check on Amazon285/40 R21 in inches
285/40 R21 tires' overall diameter is 30 inches, tire width is 11.2 inches, the tire can be mounted on 21 inches wheel and the circumference is 94.2". With that parameters, we can calculate that it will take approximately 672.6 revolutions per mile.
Popular comparisons with this size
What rims fit 285/40 R21 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 R21 tires:
Rim diameter x rim width
- 21x10.5
- 21x9.5
- 21x11
285/40 R21 – 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 |
| R21 | 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 21-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.