NHTSA-reported issues for cooper evolution winter 225/60R18
Top issue category: Tires (General)
Most reported: Tires (General) (460) · Tread / Belt (370) · Sidewall (160) · TPMS (12) · Bead (11)
Reported across: 1990 – 1990 (1 year)
What owners described
Tread or belt separation appears in 24% of these reports; about 1.8× as often as across all tire complaints. Percentages are shares of the 759 reports covering every model year of the Cooper that include a written account; a single report can describe more than one problem, so they do not total 100%.
| Reported problem | This subject | All tire complaints | Relative |
|---|---|---|---|
| Tread or belt separation | 24% | 13% | 1.8× |
| Blowout or sudden deflation | 21% | 20% | 1.0× |
| Sidewall failure | 21% | 15% | 1.4× |
| Bubble or bulge in the tire | 12% | 6% | 2.0× |
| Loss of control, rollover or collision | 9% | 8% | 1.0× |
| Cracking or dry rot | 7% | 9% | 0.7× |
Mileage at failure
446 of these reports state an odometer reading. The middle report is at 42,999 miles, with 8 in 10 falling between 5,219 and 155,000 miles.
In owners' own words
Verbatim excerpts from complaints filed with NHTSA about Cooper. Reports are published by NHTSA as filed and are lightly cleaned here only to remove intake codes.
THE CONTACT OWNS A 2007 DODGE RAM 2500 WITH COOPER DISCOVER ST TIRES, SIZE: 35X12.50R17LT. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 70 MPH, THE REAR DRIVER'S SIDE TIRE DELAMINATED FROM THE CORE TREAD AND PEELED, CAUSING BODY DAMAGE TO THE VEHICLE AND DAMAGE TO THE PARKING BRAKE CABLE MOUNT. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE TIRE WAS REPLACED. THE APPROXIMATE FAILURE MILEAGE OF THE TIRES WAS 25,000. THE VEHICLE FAILURE MILEAGE WAS 30,000.
THE CONTACT OWNS A 2007 DODGE RAM 2500 WITH COOPER DISCOVER ST TIRES, SIZE: 35X12.50R17LT. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 70 MPH, THE REAR DRIVER'S SIDE TIRE DELAMINATED FROM THE CORE TREAD AND PEELED, CAUSING BODY DAMAGE TO THE VEHICLE AND DAMAGE TO THE PARKING BRAKE CABLE MOUNT. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE TIRE WAS REPLACED. THE APPROXIMATE FAILURE MILEAGE OF THE TIRES WAS 25,000. THE VEHICLE FAILURE MILEAGE WAS 30,000.
THE CONTACT OWNS FOUR COOPER ZEON SPT TIRES, SIZE 205 55 R16. THE CONTACT WAS ROTATING THE TIRES, WHEN HE NOTICED THE FRONT DRIVERS SIDE TIRE WAS BALD. THE TIRES WERE INSPECTED AND THE CONTACT WAS ADVISED THAT THE TIRES WERE DOWN TO THE WEAR BAR. THE TIRES WERE NOT REPLACED. THE TIRE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CURRENT VEHICLE MILEAGE WAS 100,00 AND THE APPROXIMATE TIRE MILEAGE WAS 8,000.
THIS IS THE SECOND SAME SIZE COOPER TIRE THAT HAS FAILED THE SAME WAY IN THE SAME TIME FRAME. THE TIRE WAS PROPERLY INFLATED AND BEGAN TO LOSE AIR EVEN THOUGH IT HAD NO PUNCTURES IN THE TIRE. THE TIRE STARTED TO RUN LOW AND THE SIDEWALL CRACKED AND DID NOT DEFLATE BUT RAN WITH LOW PRESSURE. I NOTICED THAT THE TIRE WAS LOW BUT NOT DEFLATED. UPON EXAMINATION OF THE TIRE THE SAME CRACKS APPEARS ON THE SIDE WALL AND NOTHING WAS HIT THAT HAD ABRADED THE TIRE. BOTH TIRES WERE SIZE 215/50 R17 CS4 V XL BW 95 TL. BOTH TIRES LASTED APPROX 15-17K MILES BEFORE FAILING AND APPROX 2 YEARS IN EACH CASE. ONE WAS REPLACED BY THE TIRE DEALER ONLY BECAUSE I HAD BOUGHT THE TIRE PROTECTION POLICY AND THE OTHER WAS NO LONGER COVERED AS REPLACEMENTS ARE NO LONGER COVERED AFTER 12K OR 1 YR. BOTH TIRES COULD NOT BE REPAIRED AS THE SIDEWALL HAS FAILED.
Complaints are voluntarily submitted to the NHTSA Office of Defects Investigation and are not verified by NHTSA; they represent owner-reported problems, not proven defects. Counts can be useful as a relative quality signal across comparable tires or vehicles.
Specs
| Brand | Cooper |
|---|---|
| Model | Evolution Winter 225/60R18 |
| Season | N/A |
| Type | N/A |
| UTQG treadwear | N/A |
| UTQG traction | N/A |
| UTQG temperature | N/A |
| Mileage warranty | N/A |
| Noise (dB) | N/A |
| Introduced | N/A |
Live prices
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Available sizes (1)
Cooper evolution winter 225/60R18: what the numbers tell you
Manufacturer treadwear data for the Evolution Winter 225/60R18 is not publicly listed. This is common for OEM-only or track-day tires that don't carry a US treadwear warranty. No mileage warranty is published for this tire, which is typical for performance summer and track-day rubber where the manufacturer doesn't make wear-life claims.
Cabin noise data for this tire is not published by the manufacturer. As a general tire built for the passenger segment, the Evolution Winter 225/60R18 is positioned against direct rivals within the same category. Comparing it to a tire in a different category (e.g. summer vs all-season) makes the spec sheet misleading because the design targets are not the same.
The Cooper Evolution Winter 225/60R18 has been part of Cooper's catalog since its introduction, and remains a current-production model.
For an apples-to-apples comparison against direct rivals, see the comparison pages linked from this tire's brand index.
OEM fitment
Vehicles that ship with this tire
2021
Subaru outback
225/60R18
2025
Toyota alphard
225/60R18
2026
Toyota alphard
225/60R18
2024
Toyota alphard
225/60R18
2023
Toyota alphard
225/60R18
2024
Toyota harrier
225/60R18
2025
Toyota harrier
225/60R18
2022
Toyota harrier
225/60R18
2026
Toyota harrier
225/60R18
2021
Toyota harrier
225/60R18
2023
Toyota harrier
225/60R18
2020
Toyota RAV4 prime
225/60R18
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Last verified 2026-09-02.