Michelin Primacy 4 vs Uniroyal RainExpert 3: the full picture
This comparison is built only from published independent tests — no manufacturer claims and no sponsored reviews. Between them, the Michelin Primacy 4 and Uniroyal RainExpert 3 appear in 25 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 Michelin Primacy 4 performs. It takes the win in wet, dry, noise / comfort, mileage. Its overall Tire Lab Score is 95/100, based on 24 tests.
How the Uniroyal RainExpert 3 performs. It takes the win in efficiency. Its overall Tire Lab Score is 89/100, based on 1 test.
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 Michelin Primacy 4 is the stronger all-round choice, leading in wet and Tire Lab Score. The Uniroyal RainExpert 3 still wins on efficiency, making it the right pick if that matters most to you.
Which one should you buy?
Choose Michelin Primacy 4 if
- You prioritise wet
- You prioritise dry
- You prioritise noise / comfort
- You prioritise efficiency
Test profile
| Metric | Michelin Primacy 4 | Uniroyal RainExpert 3 |
|---|---|---|
| Segment | Touring | Touring |
| Type | Summer | Summer |
| Tests used | 24 | 1 |
| Best rank | #1 | #1 |
| Avg rank | 6.0 | 10.8 |
| Latest test | 2022 | 2018 |
| Tire Lab Score | 94.6 | 88.8 |
Tire Lab Score
Michelin Primacy 4
Uniroyal RainExpert 3
Performance overview
Category-by-category results
| Category | Michelin Primacy 4 | Uniroyal RainExpert 3 | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 5.4 768 | Avg rank 9.5 1 | Michelin Primacy 4 |
| ☀️Dry | Avg rank 5.2 755 | Avg rank 18.0 | Michelin Primacy 4 |
| 🔇Noise / Comfort | Avg rank 5.7 677 | Avg rank 10.5 1 | Michelin Primacy 4 |
| 📏Mileage | Avg rank 2.7 2 | Avg rank 10.0 | Michelin Primacy 4 |
| 🔋Efficiency | Avg rank 9.6 1 | Avg rank 8.0 | Uniroyal RainExpert 3 |
💧 Wet: Michelin Primacy 4 vs Uniroyal RainExpert 3
The Michelin Primacy 4 wins this category with an average rank of 5.4, compared to 9.5 for the Uniroyal RainExpert 3.
☀️ Dry: Michelin Primacy 4 vs Uniroyal RainExpert 3
The Michelin Primacy 4 wins this category with an average rank of 5.2, compared to 18.0 for the Uniroyal RainExpert 3.
🔇 Noise / Comfort: Michelin Primacy 4 vs Uniroyal RainExpert 3
The Michelin Primacy 4 wins this category with an average rank of 5.7, compared to 10.5 for the Uniroyal RainExpert 3.
📏 Mileage: Michelin Primacy 4 vs Uniroyal RainExpert 3
The Michelin Primacy 4 wins this category with an average rank of 2.7, compared to 10.0 for the Uniroyal RainExpert 3.
🔋 Efficiency: Michelin Primacy 4 vs Uniroyal RainExpert 3
The Uniroyal RainExpert 3 wins this category with an average rank of 8.0, compared to 9.6 for the Michelin Primacy 4.
Frequently asked questions
Which is better in the wet, Michelin Primacy 4 or Uniroyal RainExpert 3?
Across independent wet-braking tests, the Michelin Primacy 4 ranks higher on average than the Uniroyal RainExpert 3.
Which has shorter dry braking distance?
The Michelin Primacy 4 averages a better dry-braking rank than the Uniroyal RainExpert 3 across the tests where both appeared.
Which tire is quieter and more comfortable?
On combined noise and comfort metrics, the Michelin Primacy 4 ranks better than the Uniroyal RainExpert 3.
Which tire lasts longer?
Based on wear and abrasion testing, the Michelin Primacy 4 shows better mileage performance than the Uniroyal RainExpert 3.
How many tests were used in this comparison?
Michelin Primacy 4 appears in 24 independent tests, Uniroyal RainExpert 3 in 1.
Also compare
Michelin Primacy 4 vs…
Uniroyal RainExpert 3 vs…
Data aggregated from independent testing organizations including ADAC, Auto Bild, TCS, and Auto Motor und Sport. Read our methodology →