Michelin Primacy 4 Plus vs Uniroyal RainExpert 5: 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 Plus and Uniroyal RainExpert 5 appear in 11 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 Plus performs. It takes the win in dry, mileage, efficiency. Its overall Tire Lab Score is 92/100, based on 10 tests.
How the Uniroyal RainExpert 5 performs. It takes the win in wet, noise / comfort. Its overall Tire Lab Score is 85/100, 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 Plus is the stronger all-round choice, leading in dry and Tire Lab Score. The Uniroyal RainExpert 5 still wins on wet, making it the right pick if that matters most to you.
Which one should you buy?
Choose Michelin Primacy 4 Plus if
- You prioritise dry
- You prioritise mileage
- You prioritise efficiency
- You prioritise wet
- You prioritise noise / comfort
Test profile
| Metric | Michelin Primacy 4 Plus | Uniroyal RainExpert 5 |
|---|---|---|
| Segment | Touring | Touring |
| Type | Summer | Summer |
| Tests used | 10 | 1 |
| Best rank | #1 | #2 |
| Avg rank | 6.5 | 5.7 |
| Latest test | 2025 | 2023 |
| Tire Lab Score | 92.3 | 84.5 |
Tire Lab Score
Michelin Primacy 4 Plus
Uniroyal RainExpert 5
Performance overview
Category-by-category results
| Category | Michelin Primacy 4 Plus | Uniroyal RainExpert 5 | Winner |
|---|---|---|---|
| 💧Wet | Avg rank 5.6 264 | Avg rank 5.3 1 | Uniroyal RainExpert 5 |
| ☀️Dry | Avg rank 4.6 45 | Avg rank 11.0 | Michelin Primacy 4 Plus |
| 🔇Noise / Comfort | Avg rank 8.3 215 | Avg rank 7.0 | Uniroyal RainExpert 5 |
| 📏Mileage | Avg rank 12.7 11 | No data | Michelin Primacy 4 Plus |
| 🔋Efficiency | Avg rank 7.7 | Avg rank 10.0 | Michelin Primacy 4 Plus |
💧 Wet: Michelin Primacy 4 Plus vs Uniroyal RainExpert 5
The Uniroyal RainExpert 5 wins this category with an average rank of 5.3, compared to 5.6 for the Michelin Primacy 4 Plus.
☀️ Dry: Michelin Primacy 4 Plus vs Uniroyal RainExpert 5
The Michelin Primacy 4 Plus wins this category with an average rank of 4.6, compared to 11.0 for the Uniroyal RainExpert 5.
🔇 Noise / Comfort: Michelin Primacy 4 Plus vs Uniroyal RainExpert 5
The Uniroyal RainExpert 5 wins this category with an average rank of 7.0, compared to 8.3 for the Michelin Primacy 4 Plus.
📏 Mileage: Michelin Primacy 4 Plus vs Uniroyal RainExpert 5
The Michelin Primacy 4 Plus wins this category with an average rank of 12.7, compared to no data for the Uniroyal RainExpert 5.
🔋 Efficiency: Michelin Primacy 4 Plus vs Uniroyal RainExpert 5
The Michelin Primacy 4 Plus wins this category with an average rank of 7.7, compared to 10.0 for the Uniroyal RainExpert 5.
Frequently asked questions
Which is better in the wet, Michelin Primacy 4 Plus or Uniroyal RainExpert 5?
Across independent wet-braking tests, the Uniroyal RainExpert 5 ranks higher on average than the Michelin Primacy 4 Plus.
Which has shorter dry braking distance?
The Michelin Primacy 4 Plus averages a better dry-braking rank than the Uniroyal RainExpert 5 across the tests where both appeared.
Which tire is quieter and more comfortable?
On combined noise and comfort metrics, the Uniroyal RainExpert 5 ranks better than the Michelin Primacy 4 Plus.
Which tire lasts longer?
Based on wear and abrasion testing, the Michelin Primacy 4 Plus shows better mileage performance than the Uniroyal RainExpert 5.
How many tests were used in this comparison?
Michelin Primacy 4 Plus appears in 10 independent tests, Uniroyal RainExpert 5 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 →
