Michelin Pilot Sport 4 SUV - 255/40R21
Pilot Sport 4 SUV 255/40R21 Tire Specs
| Size | Diameter | Width | Rim Range |
Measured Rim |
Tread Depth |
Load Range |
Max Load |
Max psi |
Max Speed |
Weight | Sidewall Letters |
Revs/Mile | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 255/40R21 102Y XL BSW 220 A A |
29" | 10.2" | 8.5-10" | 9" | 9.5/32" | Extra Load | 1874 lbs | 50 psi | 186 mph | 32 lbs | Black | 717 | Show Specs |
(Last Checked 10/25/25)
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The Michelin Pilot Sport 4 SUV is a sport truck and SUV summer tire developed for enhanced comfort and low noise while being designed to deliver outstanding grip in wet and dry conditions. The tread compound utilizes a rigid design providing strong lateral grip and the optimized notches enhance dry braking performance. The inner side of the Pilot Sport 4 SUV asymmetric tread pattern features a wider circumferential groove and greater pitch count for enhanced wet traction.
The 255/40R21 Michelin Pilot Sport 4 SUV has a diameter of 29", a width of 10.2", mounts on a 21" rim and has 717 revolutions per mile. It weighs 32 lbs, has a max load of 1874 lbs, a maximum air pressure of 50 psi, a tread depth of 9.5/32" and should be used on a rim width of 8.5-10".
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