86
/ 100
Objective (60%)
71/100
1 professional test
User signal (40%)
89/100
195 owner reviews
Prices change daily — check the retailer for your size.
Head-to-head
Updated September 2026
Cooper Zeon RS3-G1 vs Sumitomo HTR Z III — Compared (September 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
Tire B
Sumitomo
Sumitomo HTR Z III
81
/ 100
Objective (60%)
–/100
No test data yet
User signal (40%)
84/100
42 owner reviews
Prices change daily — check the retailer for your size.
VerdictWinner: Cooper Zeon RS3-G1 — better handling, wet and snow. Pick the Sumitomo HTR Z III if dry matters most to you.
Read full
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Category breakdown
7 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)
HTR Z III leads by 7
Why this score
| Source | Zeon RS3-G1 | HTR Z III |
|---|---|---|
| Professional tests (TWG score) | 78 | – |
| Tire Rack owners | 91 | – |
| Tyre Reviews owners | 78 | 87 |
| SimpleTire owners | – | 95 |
| America's Tire owners | 95 | – |
Wet
Score (0–100)
Zeon RS3-G1 leads by 11
Why this score
| Source | Zeon RS3-G1 | HTR Z III |
|---|---|---|
| Professional tests (TWG score) | 94 | – |
| Tire Rack owners | 85 | – |
| Tyre Reviews owners | 76 | 80 |
| SimpleTire owners | – | 82 |
| America's Tire owners | 90 | – |
Snow
Score (0–100)
Zeon RS3-G1 leads by 10
Why this score
| Source | Zeon RS3-G1 | HTR Z III |
|---|---|---|
| Professional tests (TWG score) | 59 | – |
| Tire Rack owners | 59 | – |
| Tyre Reviews owners | 50 | – |
| SimpleTire owners | – | 52 |
Comfort
Score (0–100)
Zeon RS3-G1 leads by 7
Why this score
| Source | Zeon RS3-G1 | HTR Z III |
|---|---|---|
| Professional tests (TWG score) | 100 | – |
| Tire Rack owners | 85 | – |
| Tyre Reviews owners | 84 | 86 |
| SimpleTire owners | – | 91 |
| America's Tire owners | 90 | – |
Noise
Score (0–100)
Why this score
| Source | Zeon RS3-G1 | HTR Z III |
|---|---|---|
| SimpleTire owners | – | 87 |
| America's Tire owners | 88 | – |
Treadwear
Score (0–100)
Zeon RS3-G1 leads by 4
Why this score
| Source | Zeon RS3-G1 | HTR Z III |
|---|---|---|
| Tire Rack owners | 81 | – |
| Tyre Reviews owners | 68 | 82 |
| SimpleTire owners | – | 82 |
| America's Tire owners | 87 | – |
Handling
Score (0–100)
Zeon RS3-G1 leads by 12
Why this score
| Source | Zeon RS3-G1 | HTR Z III |
|---|---|---|
| Tyre Reviews owners | 44 | 80 |
| America's Tire owners | 94 | – |
Scores at a glance
| Category | Cooper Zeon RS3-G1 | Sumitomo HTR Z III |
|---|---|---|
| Relative Score | 86 | 81 |
| Dry | 85 | 92 |
| Wet | 92 | 81 |
| Snow | 62 | 52 |
| Comfort | 96 | 89 |
| Noise | 87 | 87 |
| Treadwear | 86 | 82 |
| Handling | 92 | 80 |
Higher is better. The Relative Score follows your weights below; category scores do not change.
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Wet grip and treadwear start at “Important” — the two things buyers rank highest. Move the sliders and the scores update instantly.
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Recomputed
Headline score
86
/ 100
Tire A
81
/ 100
Tire B
From owners
Pros, cons & observations
Themes extracted from owner reviews across retailers and review sites — not the opinion of TireWheelGuide.
The Cooper Zeon RS3-G1 is widely regarded as a high-value, performance-oriented all-season tire that excels in dry and wet handling while maintaining a quiet, comfortable ride. While many users praise its affordability and grip, there is a notable divide regarding tread longevity, with some reporting premature wear, and mixed feedback regarding its capability in true winter conditions.
Pros
- Excellent price-to-performance ratio
- Strong dry and wet pavement traction
- Low road noise levels and high ride comfort
- Responsive handling and cornering stability
Cons
- Inconsistent tread life with reports of premature wear
- Limited performance in heavy snow or ice
- Potential for slight decrease in fuel economy
- Occasional reports of increased noise as the tire ages
Observations
- Users with high-torque vehicles like the Mustang GT and Dodge Challenger report strong grip and confidence during spirited driving.
- Some owners of front-wheel-drive vehicles noted significant noise increases as the tires wore down, emphasizing the need for frequent rotation.
- Drivers of heavier or performance-oriented sedans occasionally reported a 1-2 MPG reduction in fuel efficiency.
The Sumitomo H/TR Z III is widely regarded as a high-value performance tire that offers a compelling balance of dry grip, comfort, and affordability. While it is frequently praised as a cost-effective alternative to premium brands for daily driving and spirited street use, some users note limitations in extreme wet-weather cornering and high-horsepower traction.
Pros
- Excellent price-to-performance ratio
- Strong dry handling and steering feedback
- Quiet and comfortable ride quality
- Predictable performance for daily driving
Cons
- Inconsistent wet-weather side grip during cornering
- Limited traction under heavy acceleration on high-horsepower vehicles
- Not suitable for winter or freezing conditions
- Variable tread life depending on driving style and vehicle weight
Observations
- High-horsepower RWD vehicles (e.g., 500whp Mustang) may experience significant wheel spin compared to premium performance tires.
- Users with staggered setups report good longevity, though the inability to rotate tires can accelerate wear on the rear axle.
- Owners of lighter, nimble vehicles like the Mini Cooper report high satisfaction with handling and wet-weather performance.
Community buzz
What real owners are saying
From Reddit, forums and review threads. Not part of our score
Tire A
Mixed
Cooper Zeon RS3-G1
Community opinion on the Cooper Zeon RS3-G1 is generally mixed, leaning positive due to its competitive pricing and value compared to premium alternatives like the Continental DWS06+. While many users appreciate them as an affordable, high-performance all-season option, others question how they compare in cold or wet weather or note distinct changes in steering feel and handling.
r/CrownVictoria
·31 upvotes ·2024-01-17
“Treated my land yacht to some new rubber to keep it anchored in the snow. Cooper Zeon RS3-G1”
r/mazda3
·3 upvotes ·2021-11-15
“New tires made car steering different I recently replaced my all my tires on my 2017 Mazda3. All of them are basically brand new (original owner of tires did not like it after installing it and took it off right away). However, after installing them I noticed the handling just doesn't feel as nice as before. The steering feels lighter and I feel like have to put in more input on the steering wheels. I don't know if it's the size of it (225/4OR18XL instead of the P215/45R18), brand (cooper zeon rs3-g1 ( supposed to be all season/ high performance tires)), tires aren't broken in yet, or where I got my tires installed at (Firestone). Is this normal with new tires? Read more”
r/ShopCanada
·3 upvotes ·2020-03-02
“[Canadian Tire] [Canadian Tire] Cooper Zeon RS3-G1 All Season Tire $109.73 Certain Sizes YMMV Deal Link Price: $109.73 Savings: 40% Expiry: March 26, 2020 Retailer: Canadian Tire Cooper Zeon RS3-G1 All Season Tire CLEARANCE (ON SELECT STYLES/SIZES) Copper Zeon RS3-G1 is a high-performance tire tuned for three-season and light snow conditions providing exceptional grip, handling and durability to your sports sedan or coupe. FEATURES Cooper Zeon RS3-G1 All Season Tire is for high performance vehicles and enthusiast drivers The tread compound and design features great grip, stability and durability Delivers great performance on dry and wet pavement 3-D Micro Gauge sipes improve the stability of tread elements providing enhanced handling in wet and dry roads Asymmetrical tread pattern provides grip and stability during cornering maneuvers and reduced tire noise Made with a silica tread compound that is specially formulated to provide maximum dry and wet traction Cooper’s trademarked visual wear indicator provides peace of mind through informing drivers how worn their tires are ... 80013.html CLEARANCE (ON SELECT STYLES/SIZES) 225/40/18 for example, $109.73 EACH Stocktrack for 225/40/18 TireRack Review ... eon+RS3-G1 Stack with the SDM Can Tire $300 for $325 GC for more savings! Happy Hunting”
r/Mustang
·2021-08-04
“Are Cooper ZEON RS3-G1 - SIZE: 275/40R19 enough for an ecoboost? I got a flat rear tire and only changed 1 tire. I ended up with a cooper zeon RS3. The other 3 tires are fairly worn Michelin pillot sports of the same size. No one near me had the pilot sports and I needed to get this done fast as I had to go to work still. Now my car veers to the left when accelerating and to the right when I left off the pedal. Would replacing the other rear tire with the same cooper zeon solve the issue or do I need to change all 4 tires? Are the coopers good enough? The guy at ford said he'd never put a cooper on a mustang but maybe he though I had a GT?”
Top themes
#Price and Value#Continental DWS06 Comparison#Wet and Cold Traction#Handling and Steering Feel#Tread Pattern Design
Based on 14 community posts
Tire B
Sumitomo HTR Z III
We haven't collected enough community discussion about this tire yet.
Specifications
Specs side by side
| Attribute | A · Cooper Zeon RS3-G1 | B · Sumitomo HTR Z III |
|---|---|---|
| Category | Ultra High Performance All Season tire | — |
| Vehicle type | Passenger Car / Crossover | — |
| Sizes available | 8 | 1 |
| Rim diameters | 17″ – 20″ | 19″ |
| Tread depth | 10 - 11/32″ | 10/32″ |
| UTQG | 500 AA A | 300 A A |
| Treadwear warranty | 45,000 mi | — |
| Sidewall | Black Side Wall | Blackwall |
| Max pressure | 50 - 51 psi | 50 psi |
Final verdict
Which one should you actually buy?
86
/ 100
Cooper
81
/ 100
Sumitomo
Winner: Cooper Zeon RS3-G1 — better handling, wet and snow. Pick the Sumitomo HTR Z III if dry matters most to you.
Pick tire A
You enjoy sharp, responsive handling
Cooper Zeon RS3-G1 scores 92 vs 80 on handling.
Pick tire A
Your priority is wet-weather safety
Cooper Zeon RS3-G1 scores 92 vs 81 on wet.
Pick tire A
You drive through snowy winters
Cooper Zeon RS3-G1 scores 62 vs 52 on snow.
Pick tire A
You want the most comfortable ride
Cooper Zeon RS3-G1 scores 96 vs 89 on comfort.
Tire A · Cooper Zeon RS3-G1
Tire B · Sumitomo HTR Z III
More comparisons
Also compared with
Cooper Zeon RS3-G1 also compared with
Sumitomo HTR Z III 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.