Toyo
Proxes RR
285/30ZR18
Summer
$301.94/tire
$402.59
Set of 4: $1207.76
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↩️ Free returns within 30 days — unmounted tires, prepaid label, no return shipping cost.
Specifications
| Size | 285/30ZR18 Proxes RR (Dot Approved For Racing Purposes ONLY) |
|---|---|
| Width | 285 mm |
| Aspect ratio | 30 |
| Rim diameter | R18 |
| Load range | SL |
| Season | Summer |
|---|---|
| UTQG | 40 CA |
| Tread depth | 3.7/32" |
| Weight | 26 lbs |
| Max pressure | 51 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Toyo Proxes RR
DOT Competition Racing tire Designed for Dry Tracks. Ideal for NASA Road Racing, Track Days and High-Performance Driving Schools. Race-Ready Off-the-Shelf with a 4/32 Deep Tread.
Features
* Racing tread compound* Reinforced sidewall and high-modulus bead filler* Wear inspection holes* Sidewall marking area* Toyo Tires' Limited Warranty
Benefits
* Increase grip and improves lap time* Provides excellent steering response and feedback* Provides easy tread depth measurement from any position* Allows for easy labelling on the sidewall
Understanding the 285/30ZR18 size
In the size code 285/30R18, 285 is the section width in millimetres (about 11.2"). 30 is the aspect ratio — the sidewall height is 30% of the width, or roughly 85.5 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 24.7".
What the Toyo Proxes RR is built for
The Toyo Proxes RR is a summer tire, tuned for maximum dry and wet grip in warm conditions; it is not intended for near-freezing temperatures. Fitment category: Passenger Car, CAR, Competition/Racing, Performance, UHP.
Tread life and grip ratings
This tire carries a UTQG rating of 40 CA. The treadwear grade of 40 is a relative durability score — a grade of 200 is expected to last roughly twice as long as a grade of 100 under the same controlled test. Traction grade CA measures straight-line wet stopping grip (AA is highest, then A, B and C).
Price and value
At $301.94 per tire, a full set of four costs $1207.76. That sits close to the average for the 8 tires we stock in this size.
Frequently asked questions
What does the tire size 285/30R18 mean?
285 is the section width in millimetres, 30 is the aspect ratio (sidewall height as a percentage of width, about 85.5 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 24.7 inches.
How much does a set of 4 Toyo Proxes RR 285/30ZR18 tires cost?
A single tire is $301.94 and a set of four is $1207.76.
Can the Toyo Proxes RR be used in winter?
No. This is a summer tire and it is not rated for severe snow service. Its compound stiffens as temperatures approach freezing, so fit winter or all-weather tires for cold-season driving.
Does the Proxes RR come in other sizes?
Yes — we stock 26 additional Proxes RR sizes besides 285/30ZR18. Fit only a size approved for your vehicle.
Other sizes of this model
205/50ZR15 — $170.12
205/60R13 — $180.33
225/45ZR15 — $181.75
225/45ZR17 — $227.26
225/50R16 — $215.47
225/50ZR15 — $188.12
235/35ZR19 — $226.62
235/40ZR17 — $216.17
245/40ZR15 — $205.26
245/40ZR17 — $235.07
245/45ZR16 — $242.85
255/35ZR18 — $275.75
255/35ZR20 — $311.96
255/40ZR17 — $245.33
275/40ZR17 — $282.29
285/30ZR20 — $344.96
285/35ZR20 — $338.07
295/30ZR18 — $231.14
295/30ZR19 — $245.01
315/30ZR18 — $355.25
315/30ZR20 — $404.66
325/30ZR20 — $381.93
345/30ZR19 — $398.27
345/35ZR18 — $345.41
P275/35ZR18 — $311.13
P305/35ZR18 — $348.47
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