Dunlop RoadSmart III vs Dunlop Sportsmart MK4: the full picture
This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the Dunlop RoadSmart III and Dunlop Sportsmart MK4 appear in 2 tests, though they have not yet met head-to-head in the same test. Head-to-head results carry the most weight here, because surface, weather and test car all change between events and make raw numbers from different tests hard to compare directly.
How the Dunlop RoadSmart III performs. It takes the win in dry. It has limited comparative test data, so treat its results as indicative.
How the Dunlop Sportsmart MK4 performs. It takes the win in wet. It has limited comparative test data, so treat its results as indicative.
What this means for you. Category wins matter more than the overall score when your driving is weighted toward one condition — a wet-climate commuter should follow the wet braking column, while a high-mileage driver should follow wear and rolling resistance. Also check that both tires are actually offered in your size and load rating: performance can shift between sizes, and availability differs between the European and North American markets.
Verdict
The Dunlop RoadSmart III and Dunlop Sportsmart MK4 are closely matched. Pick based on the category that matters most to your driving — wet, dry, comfort, mileage, or price.
Which one should you buy?
- You prioritise dry
- You prioritise wet
Test profile
| Metric | Dunlop RoadSmart III | Dunlop Sportsmart MK4 |
|---|---|---|
| Segment | UHP | UHP |
| Type | Summer | Summer |
| Tests used | 1 | 1 |
| Best rank | #3 | #1 |
| Avg rank | 3.3 | 6.5 |
| Latest test | 2020 | 2025 |
| Tire Lab Score | — | — |
Tire Lab Score
Dunlop RoadSmart III
Dunlop Sportsmart MK4
Performance overview
Category-by-category results
| Category | Dunlop RoadSmart III | Dunlop Sportsmart MK4 | Winner |
|---|---|---|---|
| 💧Wet | No data | Avg rank 12.0 | Dunlop Sportsmart MK4 |
| ☀️Dry | Avg rank 3.0 1 | Avg rank 4.0 | Dunlop RoadSmart III |
💧 Wet: Dunlop RoadSmart III vs Dunlop Sportsmart MK4
The Dunlop Sportsmart MK4 wins this category with an average rank of 12.0, compared to no data for the Dunlop RoadSmart III.
☀️ Dry: Dunlop RoadSmart III vs Dunlop Sportsmart MK4
The Dunlop RoadSmart III wins this category with an average rank of 3.0, compared to 4.0 for the Dunlop Sportsmart MK4.
Frequently asked questions
Which is better in the wet, Dunlop RoadSmart III or Dunlop Sportsmart MK4?
Across independent wet-braking tests, the Dunlop Sportsmart MK4 ranks higher on average than the Dunlop RoadSmart III.
Which has shorter dry braking distance?
The Dunlop RoadSmart III averages a better dry-braking rank than the Dunlop Sportsmart MK4 across the tests where both appeared.
How many tests were used in this comparison?
Dunlop RoadSmart III appears in 1 independent tests, Dunlop Sportsmart MK4 in 1.
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Data aggregated from independent testing organizations including ADAC, Auto Bild, TCS, and Auto Motor und Sport. Read our methodology →