Tests – · none yet Owners 73 · 6 reviews
Head-to-head
Updated
Cooper Discoverer A/TT SUV vs Nexen Roadian CT8 — Compared
Relative Score (0–100): the weighted average of the categories below, each 60% road tests and 40% owner reviews (comfort 40/60). Based on 0 + 0 road tests and 6 + 6 owner reviews. How we score
Discoverer A/TT SUV is ahead, 72–61
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Tests – · none yet Owners 57 · 6 reviews
Category by category
Relative Score per category, 0–100. Open “Why this score” for the tests and owner ratings behind it.
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73
Dry
Discoverer A/TT SUV +1261Why this score
Source Discoverer A/TT SUV Roadian CT8 Professional tests (TWG score) ≈ 71 (est.) ≈ 64 (est.) Reviews found online 75 58 Discoverer A/TT SUV: 60% × 71 (est.) + 40% × 75.4 = 73
Roadian CT8: 60% × 63.8 (est.) + 40% × 57.9 = 61
No road tests of dry for Discoverer A/TT SUV. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).
No road tests of dry for Roadian CT8. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.41).
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71
Wet
Discoverer A/TT SUV +962Why this score
Source Discoverer A/TT SUV Roadian CT8 Professional tests (TWG score) ≈ 71 (est.) ≈ 64 (est.) Reviews found online 71 58 Discoverer A/TT SUV: 60% × 70.8 (est.) + 40% × 70.9 = 71
Roadian CT8: 60% × 63.8 (est.) + 40% × 58.1 = 62
No road tests of wet for Discoverer A/TT SUV. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).
No road tests of wet for Roadian CT8. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.55).
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68
Snow
No comparison–Why this score
Source Discoverer A/TT SUV Roadian CT8 Professional tests (TWG score) ≈ 69 (est.) – Reviews found online 66 – Discoverer A/TT SUV: 60% × 69 (est.) + 40% × 65.7 = 68
No road tests of snow for Discoverer A/TT SUV. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.32).
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69
Comfort
Discoverer A/TT SUV +762Why this score
Source Discoverer A/TT SUV Roadian CT8 Professional tests (TWG score) ≈ 69 (est.) ≈ 67 (est.) Reviews found online 69 59 Discoverer A/TT SUV: 40% × 68.8 (est.) + 60% × 69.2 = 69
Roadian CT8: 40% × 66.7 (est.) + 60% × 59 = 62
No road tests of comfort for Discoverer A/TT SUV or Roadian CT8. The test half is the tested tires’ average (69): owners’ comfort ratings barely follow the road tests.
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74
Treadwear
Discoverer A/TT SUV +1559Why this score
Source Discoverer A/TT SUV Roadian CT8 Professional tests (TWG score) ≈ 71 (est.) ≈ 62 (est.) Reviews found online 78 54 Discoverer A/TT SUV: 60% × 70.6 (est.) + 40% × 77.9 = 74
Roadian CT8: 60% × 61.9 (est.) + 40% × 53.6 = 59
No road tests of treadwear for Discoverer A/TT SUV. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).
No road tests of treadwear for Roadian CT8. The test half is estimated from the owner ratings, as far as owners and testers agree (correlation 0.36).
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74
Handling (owners)
Discoverer A/TT SUV +1262Why this score
Source Discoverer A/TT SUV Roadian CT8 Reviews found online 74 62
Scores at a glance
| Category | Cooper Discoverer A/TT SUV | Nexen Roadian CT8 |
|---|---|---|
| Relative Score | 72 | 61 |
| Dry | 73 | 61 |
| Wet | 71 | 62 |
| Snow | 68 | – |
| Comfort | 69 | 62 |
| Treadwear | 74 | 59 |
| Handling (owners) | 74 | 62 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
Weight the categories that matter to you
Wet grip starts at “Important”. Treadwear starts at “Neutral” here: road tests measured it for at most one of the two tires, so it rests on owner reviews. Move the sliders and the scores update instantly.
Important
NotLessNeutralImportantMost
Important
NotLessNeutralImportantMost
Neutral
NotLessNeutralImportantMost
Only one of the two tires has a score here, so this weight changes nothing in the head-to-head.
Less important
NotLessNeutralImportantMost
Neutral
NotLessNeutralImportantMost
Less important
NotLessNeutralImportantMost
Recomputed
Headline score
72
/ 100
Discoverer A/TT SUV
61
/ 100
Roadian CT8
Only categories both tires have data for count toward the headline score.
Pros, cons & observations
Themes extracted from owner reviews found online — not the opinion of TireWheelGuide.
Tire A Discoverer A/TT SUV
Pros
- Exceptional durability and long tread life, with minimal wear reported even after tens of thousands of miles
- Strong off-road performance aided by rugged, reinforced sidewalls
- Great handling, stability, and grip on dry asphalt
Cons
- Subpar wet-weather grip and a tendency to slide in rainy conditions
- Mediocre braking performance and traction in snow and ice compared to dedicated winter tires
- Noticeable road noise at certain speeds
Tire B Roadian CT8
Pros
- Affordable price point offering good value compared to other budget options
- Strong dry handling and stable road manners
- Sturdy physical construction noted by some heavy-duty users
Cons
- Severe wet-weather performance, particularly poor cornering grip that degrades with age
- Structural integrity issues including premature bulging and broken steel belts
- Catastrophic failures reported such as unexpected tire blowouts and tread separations at relatively low mileage
Specs side by side
| Attribute | A · Cooper Discoverer A/TT SUV | B · Nexen Roadian CT8 |
|---|---|---|
| Category | All-Terrain tire | Summer |
| Vehicle type | SUV and 4x4 | Van |
| Sizes available | — | 29 |
| Rim diameters | — | 13″ – 17″ |
| Tread depth | — | 11/32″ |
| Sidewall | — | Blackwall |
| Max pressure | — | 65 psi |
Which one should you actually buy?
72
/ 100
Cooper Discoverer A/TT SUV
61
/ 100
Nexen Roadian CT8
Winner: Cooper Discoverer A/TT SUV — better treadwear, dry and handling. It leads or ties in every category we score. Cooper Discoverer A/TT SUV rests on little evidence so far (0 tests, 6 reviews), so read this result as provisional. Nexen Roadian CT8 rests on little evidence so far (0 tests, 6 reviews), so read this result as provisional.
Pick tire A
You want the longest tread life
Cooper Discoverer A/TT SUV scores 74 vs 59 on treadwear.
Pick tire A
You want the most grip on dry roads
Cooper Discoverer A/TT SUV scores 73 vs 61 on dry.
Pick tire A
You enjoy sharp, responsive handling
Cooper Discoverer A/TT SUV scores 74 vs 62 on handling.
Pick tire A
Your priority is wet-weather safety
Cooper Discoverer A/TT SUV scores 71 vs 62 on wet.
Tire A · Cooper Discoverer A/TT SUV
Tire B · Nexen Roadian CT8
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Discoverer A/TT SUV or Roadian CT8?
Which is better in the wet, Discoverer A/TT SUV or Roadian CT8?
Cooper Discoverer A/TT SUV, 71 vs 62 on our wet score.
Which grips better on dry roads, Discoverer A/TT SUV or Roadian CT8?
Cooper Discoverer A/TT SUV, 73 vs 61 on our dry score.
Which is more comfortable, Discoverer A/TT SUV or Roadian CT8?
Cooper Discoverer A/TT SUV, 69 vs 62 on our comfort score.
Which lasts longer, Discoverer A/TT SUV or Roadian CT8?
Cooper Discoverer A/TT SUV, 74 vs 59 on our treadwear score.
How do we compare tires?
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements), each result compared with every other tire in the same test and newer tests counting more. 40% comes from owner reviews found online, adjusted for how generously each site rates. Both use one scale: the average tested tire gets 70, the best 100. When a tire has only one of the two, the missing half is estimated from the other and the score stays closer to average; with no road test and fewer than five owner reviews it gets no score yet.
Handling is the exception: road tests measure it inside the dry and wet scores, so its own row comes from owner ratings only and starts as less important.
Community buzz from Reddit and forums is shown for context only — it never changes the score. Full methodology