Double Coin DC99 review
Relative score 60% tests + 40% owners
Owners 22 · 2 reviews analysed Road tests 47 · 3 tests
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Double Coin DC99 has a Relative Score of 35 out of 100 among summer tires. In 3 road tests with an overall ranking it finished first 0 times and in the top three 0 times. Testers rate it best for treadwear (88) and weakest for wet (10). 2 owner reviews rate it 22 out of 100. 10% would buy it again.
Projected tread life in 1 wear test: about 65,000 km (40,000 miles), newest 2023.
- Strength: Treadwear 88 — 2nd of 50 (2023 ADAC Summer tire Test), 3rd of 50 (2023 ADAC Summer tire Test)
- Weak point: Dry 42 — 53rd of 53 (2021 53 Summer tire Braking Test), 49th of 50 (2023 ADAC Summer tire Test)
- Weak point: Wet 10 — 53rd of 53 (2021 53 Summer tire Braking Test), 50th of 50 (2023 ADAC Summer tire Test)
Owners rate it 25 points lower than the instrumented road tests do — see the two score breakdowns below for where they disagree.
Two scoring systems, side by side
Owner scores come from reviews found online; road-test scores come from instrumented tests. Where they disagree, it is usually a discipline owners rarely push to the limit.
How scores work
- Relative score
- 0–100. Blends road tests (60%) and owner reviews (40%) category by category, the same way on every TireWheelGuide page. With only one of the two, the missing half is estimated from it, so the score stays closer to average. It needs at least one road test or five owner reviews.
- Road tests
- 0–100 per score, from published tests, newer tests counting more. Each result is compared with every other tire in the same test, so a win against a strong field counts for more. The average tested tire gets 70, the best 100; with only one or two tests a tire stays nearer 70. The discipline rows show % of the best tire in that test.
- Owner reviews
- 0–100 from the owner reviews we found online, adjusted for how generously each site rates and scaled like the road tests: the average tested tire gets 70. With only a few reviews a tire stays near the average.
By owner reviews
22/100From 2 owner reviews analysed, scaled like the road tests: the average tested tire gets 70.
By road tests
47/100Scaled across every tested tire: the average gets 70, the best 100.
What owners like and dislike
Themes extracted from 2 owner reviews found online.
The Double Coin DC99 receives extremely poor feedback from users, who characterize it as having dangerously inadequate traction. Owners consistently report a lack of confidence in the tire's performance, describing it as the worst tire they have experienced.
Pros
- No positive attributes were identified in the provided user reviews.
Cons
- Severe lack of grip on dry surfaces
- Unsafe handling characteristics
- Poor overall performance compared to competing tire brands
Worth knowing
- Users frequently encounter these tires as original equipment on purchased vehicles rather than as a chosen aftermarket upgrade.
3 published test appearances
Placement within each field. Open a test for the discipline-by-discipline result.
2024 Summer tire Market Overview · 205/55 R16
54th of 55
| Discipline | Placement | Field position |
|---|---|---|
| Wet Braking | 55th of 55 | |
| Dry Braking | 16th of 55 |
Source: Auto Bild
2023 ADAC Summer tire Test · 205/55 R16
49th of 50
| Discipline | Placement | Field position |
|---|---|---|
| Wet Braking | 50th of 50 | |
| Dry Braking | 49th of 50 | |
| Straight Aquaplaning | 50th of 50 | |
| Value | 1st of 50 | |
| Wear | 3rd of 50 | |
| Fuel Consumption | 9th of 50 | |
| Abrasion | 2nd of 50 | |
| Wet Braking (concrete) | 50th of 50 |
Source: ADAC
2021 53 Summer tire Braking Test · 205/55 R16
53rd of 53
| Discipline | Placement | Field position |
|---|---|---|
| Wet Braking | 53rd of 53 | |
| Dry Braking | 53rd of 53 |
Source: Auto Bild
Reviews from our readers
Drivers who have these tires on their car, in their own words. We check every review before it goes live.
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