Proxes RR
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Specifications
| Size | P275/35ZR18 LL Proxes RR (Dot Approved For Racing Purposes ONLY) |
|---|---|
| Width | 275 mm |
| Aspect ratio | 35 |
| Rim diameter | R18 |
| Load index | 87 |
| Load range | LL |
| Season | Summer |
|---|---|
| UTQG | 40 C A |
| Tread depth | 3.7/32" |
| Weight | 26 lbs |
| Max pressure | 44 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 P275/35ZR18 size
In the size code 275/35R18, 275 is the section width in millimetres (about 10.8"). 35 is the aspect ratio — the sidewall height is 35% of the width, or roughly 96.3 mm. R18 means radial construction on a 18-inch wheel, giving an approximate overall diameter of 25.6".
The load index 87 means each tire supports up to 1,201 lbs — about 4,804 lbs across a full set of four. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
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 C A. 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 C measures straight-line wet stopping grip (AA is highest, then A, B and C). Temperature grade A reflects heat resistance at sustained speed (A is highest).
Price and value
At $311.13 per tire, a full set of four costs $1244.52. That is about 45% above the average of the 47 tires we stock in this size, reflecting its position in the range.
Frequently asked questions
What does the tire size 275/35R18 mean?
275 is the section width in millimetres, 35 is the aspect ratio (sidewall height as a percentage of width, about 96.3 mm), and R18 indicates radial construction for a 18-inch wheel. Overall diameter is approximately 25.6 inches.
What are the load and speed ratings of the Toyo Proxes RR P275/35ZR18?
Its load index of 87 allows up to 1,201 lbs per tire. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Toyo Proxes RR P275/35ZR18 tires cost?
A single tire is $311.13 and a set of four is $1244.52.
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 P275/35ZR18. Fit only a size approved for your vehicle.