P 245/40 R21 tires

Tire Specs

Overall Diameter P 245/40 R21 is 28.72 in inches
Section Width 245 mm
Rim Diameter 21"
Rim Width Range - What size rim fits a P 245/40 R21? 21x8.0, 21x8.5, 21x9.0
Sidewall Height 3.86"
Circumference 90.22 "
Revs per Mile 702.28/mi

P 245/40 R21 tire size Fits What Cars?

Explore the collection of vehicles riding on P 245/40 R21 tire size which turns them into competitors to some extent.
The list of cars below is compiled assuming P 245/40 R21 is their factory tire size.

Upsizing Wheels or Tires?

We also suggest going over the similar tire sizes that have slightly different parameters but still might be even a better fit for your vehicle with many of the combinations already applied by car enthusiasts.

Below is the list of all possible alternatives to P 245/40 R21 within delta of no more than three percent which means you can shift to wider wheels with smaller aspect ratio and vice versa. Wheel experts do not recommend to decrease the diameter of the wheel. So if you are not sure what other tire sizes would match your ride simply stick to the factory wheels.

P 295/30 R21 -2.62%
P 355/25 R21 -2.55%
P 305/30 R21 -1.79%
P 265/35 R21 -1.45%
P 315/30 R21 -0.97%
P 225/45 R21 +0.87%
P 265/40 R21 +2.13%
P 195/55 R21 +2.46%


245/40 R21 vs 235/65 R18