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215/45R18 Sizing Info

215/45R18
Diameter: 25.62 inches
Sidewall Height: 3.81 inches
Radius: 12.81 inches
Rim Diameter: 18.00 inches
Section Width: 8.46 inches
Circumference: 80.47 inches
Rev/Mile: 787.26
Rim Width Range: 5.5″, 6″, 6.5″, 7″, 7.5″
List of 215/45R18 Sized Tires

All of the tires listed below will fit the size you are looking for. 

BFGoodrich g-Force COMP-2 A/S PLUS
  • Rating: 4.50 / 5
  • All-Season
Get Free Shipping!
Firestone Firehawk Indy 500
  • Rating: 4.50 / 5
  • Summer
Get Free Shipping!
Michelin Pilot Sport All Season 4
  • Rating: 4.40 / 5
  • All-Season
Get Free Shipping!
Bridgestone Potenza S-04 Pole Position
  • Rating: 4.30 / 5
  • Summer
Get Free Shipping!
Kumho Ecsta PS31
  • Rating: 4.20 / 5
  • Summer
Get Free Shipping!
Hankook Ventus V12 evo2
  • Rating: 4.10 / 5
  • Summer
Get Free Shipping!
General G-MAX AS-05
  • Rating: 4.10 / 5
  • All-Season
Get Free Shipping!
Kumho Ecsta PA51
  • Rating: 4.00 / 5
  • All-Season
Get Free Shipping!
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Tire Size 215/45R18 in inches

Below are the most common tire sizing information in inches:

215/45R18 Height - How tall is a 215/45R18 tire in inches?

This tire size is 25.618 inches tall.

215/45R18 Width in inches - How wide is a 215/45R18 tire?

This tire size is 8.465 inches wide (tread width).

What's the Sidewall Size of a 215/45R18 Tire in Inches?

This tire size has 3.809 inch sidewalls.

Other Questions About the 215/45R18 Tire Size

Here's some other common questions asked about this tire size:

What size rims fit a 215/45R18 tire?

This tire will fit onto 18 inch wheels.

What is the next size up from 215/45R18?

The tire sizes below are the next sizes up from 215/45R18. The table shows the increase in diameter and width for each option.

Tire SizeDiameter (in)Width (in)Diameter ChangeWidth Change
245/40R1825.7179.646+ 0.098 in+ 1.181 in
285/35R1825.85411.220+ 0.236 in+ 2.756 in
335/30R1825.91313.189+ 0.295 in+ 4.724 in
225/45R1825.9728.858+ 0.354 in+ 0.394 in
255/40R1826.03110.039+ 0.413 in+ 1.575 in

What is the next size down from 215/45R18?

The tire sizes below are the next sizes down from 215/45R18. The table shows the decrease in diameter and width for each option.

Tire SizeDiameter (in)Width (in)Diameter ChangeWidth Change
185/50R1825.2837.283- 0.335 in- 1.181 in
205/45R1825.2648.071- 0.354 in- 0.394 in
205/40R1824.4578.071- 1.161 in- 0.394 in
205/35R1823.6508.071- 1.969 in- 0.394 in
195/35R1823.3747.677- 2.244 in- 0.787 in

What does the 215 mean in tire size?

This represents the treadwidth of the tire. The tread is 215mm wide, or 25.618 inches wide.

What does the 45 mean in tire size?

This represents the sidewall height of the tire, as a percentage of the width. The sidewall height is 45% of 215mm, or 96.75mm, which is 3.809 inches.

What does the 18 mean in tire size?

This represents the wheel diameter that this tire size fits on. This tire size is meant to fit an 18 inch wheel.



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