76
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
75/100
195 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated May 2026
Bridgestone Turanza ER300 vs Dunlop Grandtrek Touring A/S — Compared (May 2026)
Our Relative Score blends 60% objective test data with 40% owner-review signal — so any two tires can be compared even if they were never tested on the same day.
VS
52
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
42/100
3 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Bridgestone Turanza ER300 — better treadwear, handling and comfort. It leads or ties in every category we score.
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Category breakdown
6 categories, side by side
Each bar is the Relative Score for that category. Expand a tile to see the test results and owner ratings behind it.
Dry
Score (0–100)
Turanza ER300 leads by 12
Why this score
| Source | Turanza ER300 | Grandtrek Touring A/S |
|---|---|---|
| Tire Rack owners | – | 72 |
| Tyre Reviews owners | 83 | 70 |
| SimpleTire owners | – | 90 |
Wet
Score (0–100)
Turanza ER300 leads by 8
Why this score
| Source | Turanza ER300 | Grandtrek Touring A/S |
|---|---|---|
| Tire Rack owners | – | 63 |
| Tyre Reviews owners | 76 | 70 |
| SimpleTire owners | – | 90 |
Snow
Score (0–100)
Why this score
| Source | Turanza ER300 | Grandtrek Touring A/S |
|---|---|---|
| Tire Rack owners | – | 47 |
| Tyre Reviews owners | – | 30 |
| SimpleTire owners | – | 90 |
Comfort
Score (0–100)
Turanza ER300 leads by 13
Why this score
| Source | Turanza ER300 | Grandtrek Touring A/S |
|---|---|---|
| Tire Rack owners | – | 66 |
| Tyre Reviews owners | 71 | 55 |
| SimpleTire owners | – | 90 |
Treadwear
Score (0–100)
Turanza ER300 leads by 53
Why this score
| Source | Turanza ER300 | Grandtrek Touring A/S |
|---|---|---|
| Tire Rack owners | – | 55 |
| Tyre Reviews owners | 78 | 15 |
| SimpleTire owners | – | 90 |
Handling
Score (0–100)
Turanza ER300 leads by 30
Why this score
| Source | Turanza ER300 | Grandtrek Touring A/S |
|---|---|---|
| Tyre Reviews owners | 73 | 43 |
Scores at a glance
| Category | Bridgestone Turanza ER300 | Dunlop Grandtrek Touring A/S |
|---|---|---|
| Relative Score | 76 | 52 |
| Dry | 83 | 71 |
| Wet | 76 | 68 |
| Snow | – | 34 |
| Comfort | 71 | 58 |
| Treadwear | 78 | 25 |
| Handling | 73 | 43 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Recomputed
Headline score
76
/ 100
Tire A
52
/ 100
Tire B
Only categories both tires have data for count toward the headline score.
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Bridgestone Turanza ER300 is widely regarded as a reliable, long-lasting touring tire that excels in dry conditions and provides predictable handling for daily commuting. While many users praise its longevity and consistent performance, a significant portion of the user base reports issues with increased road noise, a firm ride, and a noticeable decline in wet-weather grip as the tread wears down.
Pros
- Exceptional tread life and durability, with many users reporting high mileage.
- Strong, predictable dry-weather handling and stability.
- Good value for money as a premium touring option.
- Consistent performance across a wide variety of vehicle types.
Cons
- Significant road noise, particularly on older or rougher asphalt surfaces.
- Noticeable deterioration in wet-weather traction and braking as the tire ages.
- Firm, sometimes harsh ride quality that lacks comfort on uneven roads.
- Poor performance in snow and near-freezing temperatures.
Observations
- Users with heavier vehicles or high-torque diesel engines reported faster-than-expected front tire wear.
- Drivers using lower-profile sizes (e.g., 45-series) frequently noted a harsher, less comfortable ride quality.
- Some owners of compact cars noted that the tire's stiff sidewall contributed to a 'nervous' or 'twitchy' handling feel on certain road surfaces.
The Dunlop Grandtrek Touring AS receives poor feedback from users, primarily centered on significant concerns regarding structural integrity and premature material degradation. Owners frequently report issues with sidewall durability and rubber compound failure, leading to a lack of confidence in the product's longevity and safety.
Cons
- Premature sidewall cracking and rubber delamination
- Poor structural durability leading to blowouts upon impact
- Difficult and unresponsive customer service regarding warranty claims
- Concerns regarding quality control and potential faulty manufacturing batches
Observations
- Users report that tires often fail or require replacement well before the tread depth reaches the legal minimum limit.
- Multiple reports indicate that these tires, often supplied as original equipment, fail to meet the durability expectations of vehicle owners.
Specifications
Specs side by side
| Attribute | A · Bridgestone Turanza ER300 | B · Dunlop Grandtrek Touring A/S |
|---|---|---|
| Category | Summer Premium Touring tires | — |
| Vehicle type | Passenger Car / Crossover | — |
| Tread depth | — | 10/32″ |
| UTQG | — | 200 A A |
| Sidewall | — | Blackwall |
| Max pressure | — | 51 psi |
Final verdict
Which one should you actually buy?
76
/ 100
Bridgestone
52
/ 100
Dunlop
Winner: Bridgestone Turanza ER300 — better treadwear, handling and comfort. It leads or ties in every category we score.
Pick tire A
You want the longest tread life
Bridgestone Turanza ER300 scores 78 vs 25 on treadwear.
Pick tire A
You enjoy sharp, responsive handling
Bridgestone Turanza ER300 scores 73 vs 43 on handling.
Pick tire A
You want the most comfortable ride
Bridgestone Turanza ER300 scores 71 vs 58 on comfort.
Pick tire A
You want the most grip on dry roads
Bridgestone Turanza ER300 scores 83 vs 71 on dry.
Tire A · Bridgestone Turanza ER300
Tire B · Dunlop Grandtrek Touring A/S
More comparisons
Also compared with
Bridgestone Turanza ER300 also compared with
Dunlop Grandtrek Touring A/S also compared with
How do we compare tires?
Every category score blends two independent signals. 60% comes from professional tire tests (braking distances, lap times, noise measurements) normalized against the best tire in each test and weighted toward recent tests. 40% comes from thousands of owner reviews collected from retailers and review sites. When a tire has only one of the two, we use what exists and say so.
Community buzz from Reddit and forums is shown for context only — it never changes the score.