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Tornel OPEN COUNTRY A20: treadwear rating & UTQG grades
Grade summary
Key facts
| Treadwear (NHTSA UTQG) | 300median · range 300 · band 300–399 |
|---|---|
| Traction grade(s) | Traction A |
| Temperature grade(s) | Temp A |
| Percentile (all lines) | Median treadwear higher than 19% of 3,020 lines |
| Rank within Tornel | #15 of 48 rated lines (by median treadwear) |
| NHTSA records | 5 total; 4 name a specific size (4 distinct sizes) |
| Warranty miles | Not shown (no maker-published figure verified) |
| Price | Not shown (varies by size and store); see “Where to buy” |
What these grades mean in plain English
- Treadwear 300: this is a moderate treadwear grade, near the middle of NHTSA-rated tires. Under UTQG a grade of 200 should wear twice as long as the grade-100 control tire on NHTSA's test course; real-world mileage varies with driving, rotation, alignment and climate.
- Traction A: A: second-highest wet-braking grade. Traction is straight-ahead wet braking only; it does not measure cornering or hydroplaning.
- Temperature A: A (highest): resisted heat build-up through the higher 575 rpm test stage.
- Ranked just above in Tornel: PROXES S/T, ST II (median 350).
- Ranked just below in Tornel: OPEN COUNTRY A20A (median 300).
NHTSA records for Tornel OPEN COUNTRY A20
Each row is one NHTSA record as filed by the manufacturer. Sizes are shown exactly as NHTSA lists them; entries such as “All sizes” apply a single grade to several sizes and cannot be matched to one specific size.
| Size (as filed) | Treadwear | Traction | Temperature |
|---|---|---|---|
| 225/65R17 101H | 300 | Traction A | Temp A |
| 235/55/R18 99H | 300 | Traction A | Temp A |
| 235/55R18 100H | 300 | Traction A | Temp A |
| P245/55R19 103S | 300 | Traction A | Temp A |
| P245/65R17 105S | 300 | Traction A | Temp A |
Compare this line with others in the same size: 225/65R17, 235/55R18, 245/55R19, 245/65R17.
Cost-per-mile calculator
Price and mileage data are pending a licensed feed, so nothing is pre-filled. Enter your own quote and your own mileage expectation (for example the maker's treadwear warranty from the tire's paperwork). Formula: cost per 1,000 miles = price per set ÷ (expected miles ÷ 1,000).
Other Tornel lines by treadwear
| Rank | Line | Median treadwear |
|---|---|---|
| 1 | Open Country HT II | 740Treadwear |
| 2 | OPEN COUNTRY Q/T | 680Treadwear |
| 3 | OPEN COUNTRY H/T | 640Treadwear |
| 4 | OPEN COUNTRY A/T III | 600Treadwear |
| 5 | OPEN COUNTRY AT II | 600Treadwear |
| 6 | Open Country R/T Trail | 600Treadwear |
| 7 | PROXES 4 Plus | 560Treadwear |
| 8 | EXTENSA HP II | 500Treadwear |
| 9 | OPEN COUNTRY A/T | 500Treadwear |
| 10 | Open Country R/T | 500Treadwear |
| 11 | PROXES ST III | 500Treadwear |
| 12 | OPEN COUNTRY A26 | 400Treadwear |
Similar treadwear from other brands
Other lines in the same treadwear band (300–399) with a page here: Blackhawk STREET-H HU02 (300), Bridgestone POTENZA Sport (300), Bridgestone POTENZA SPORT RFT (300), Doral SDL65 (300), Dunlop e. SPORT MAXX (300), Falken AZENIS FK510A (300).
Guides that explain these numbers
- What does a tire treadwear rating mean?UTQG basics
- Treadwear rating vs. mileage warrantyTreadwear vs. mileage
- How to make your tires last longerMaintenance
FAQ
What is the treadwear rating of the Tornel OPEN COUNTRY A20?
NHTSA's UTQG data lists a single treadwear grade of 300 for the Tornel OPEN COUNTRY A20, from 5 records. Treadwear is graded in multiples of 20 relative to a government control tire graded 100; it is not a mileage guarantee.
Is the Tornel OPEN COUNTRY A20 treadwear grade high or low?
A grade of 300 is a moderate treadwear grade, near the middle of NHTSA-rated tires. Compared with every line in the NHTSA data, the median is higher than 19% of lines (dataset median 420). Within Tornel it ranks #15 of 48.
What is the cost per mile of the Tornel OPEN COUNTRY A20?
We do not have a licensed price or warranty-mileage feed yet, so we do not state a cost per mile. Use the formula cost per 1,000 miles = price per set ÷ (expected miles ÷ 1,000) with your own quote and mileage expectation, or the calculator on this page.
Source and caveats
Source: NHTSA tire ratings API, pulled 2026-10-25. Grade definitions: NHTSA TireWise and 49 CFR 575.104. Grades are self-reported by manufacturers. The NHTSA data has no “currently sold” flag (its active field is false on every record), so a listed line may be discontinued. See methodology.