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Cooper Discoverer AT3 4S

Light Truck / SUV - On-/Off-Road All-Terrain
Type: / All Season
What people think:
Handling Price/Quality Dry Performance Wet Performance Comfort Snow/Ice Performance Treadwear
What we think:
DURABILITY OFF-ROAD SUV ALL-SEASON 3PMSF GRIP LIGHT TRUCK CROSSOVER COMFORT HANDLING
About Tire Evaluation Metrics
CoreScore 87:
  • Participation of the tire models in professional tire tests and their test scores.
  • Consumer reviews on the top tire selling websites.
    We gather such data as the numbers of reviews and the ultimate score of the tire model on numerous tire-related websites such as amazon, tirerack, oponeo, simpletire, market.yandex, tyrereviews, and others.
  • Reviews written by the visitors to our website tiresvote.com.

Value, max: 100

Popularity of the model 39:
  • Year of manufacture.
  • The premium brand factor .
  • The number of video reviews of the tire on youtube.com .
  • The number of news items about the model .
  • The number of times the tire was involved in professional tire tests.
  • The fact of the tire being on the bestseller lists on such reputed websites as amazon, tirerack, oponeo, simpletire, and others.
  • The number of tire types and sizes .

Value, max: unlimited
Value, average: 27

More info about our scoring system

Key Facts

  • Year Released: 2018 New
  • Regions for sale: North America, Central & South America, Europe, China, Middle East, South Africa, Oceania
Price
Sold By
Amazon
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Summary

We spent several hours reading reviews from experts and tire owners. In summary, this is what people think about Cooper Discoverer AT3 4S. You can agree with these conclusions by voting for any item:

Reasons to buy vote if agree

0
– Some satisfied drivers said that the tires' off-road traction was great.
5
0
– The users liked the sharp decrease in the road noise.
5
0
– The owners were happy with the tire’s excellent traction in snow, slush, and rain.
7
0
– The motorists said that the tires were good in the mud and dirt.
4
0
– The tire's price is considered by many as well worth it for the performance.
6

Reasons not to buy

0
– Some drivers complained that the tires didn't last long and that the tread wear was rather quick.
14

— Links to resources with reviews to which we referred.
— Add your comment if you have any notes or objections.

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Cooper Discoverer AT3 4S
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Summary

Manufacturer's description

The Cooper Discoverer AT3 4S (AT34S) is an all-terrain tire designed for light trucks and SUVs, presented in 2018. Tailored for year-round use, this tire excels in countries with mild winter climates. It is versatile, suitable for both city driving (60%) and off-road conditions (40%). The tire's performance remains consistent regardless of weather, providing reliable traction in both hot and cold conditions. This capability is achieved through Cooper's proprietary Adaptive-Traction technology.

Features & Benefits

  • Adaptive-Traction™ Technology: Maintains confident performance on various surfaces, ensuring reliable grip in different weather conditions.
  • Silica-Based Rubber Compound: Enhances wet grip, increases resistance to tearing and punctures, and reduces rolling resistance for better fuel efficiency.
  • Sure-Grip Five-Rib Design: Offers superior off-road driving capability and excellent traction on wet and dry pavements.
  • Zigzagging Sipes: Contribute to vehicle stability and improve grip on slippery surfaces.
  • Deep Circumferential Grooves: Reduce the risk of hydroplaning and help prevent rocks from getting lodged in the tread.
  • “Saw-Tooth” Elements: Retain snow in the tread, ensuring short stopping distances on snow-covered roads by using snow to grip snow effectively.

Year Released

The Cooper Discoverer AT3 4S was released in 2018. This model introduced new technologies and improved performance over its predecessors in the Discoverer AT3 series.

Regions Availability

The Cooper Discoverer AT3 4S is available in North America, Central and South America, Europe, China, the Middle East, South Africa, and Oceania. This extensive availability ensures drivers in diverse climates and terrains can benefit from its all-season performance.

Vehicle Compatibility / Popular Vehicle Fitments

Given the regions where the Cooper Discoverer AT3 4S is available and the sizes in which it is produced, it is compatible with a wide range of SUVs and light trucks. Some vehicle fitments include:

  • Ford F-150
  • Chevrolet Silverado
  • Toyota Tacoma
  • Jeep Wrangler
  • Honda Ridgeline
  • Nissan Frontier
  • GMC Sierra
  • RAM 1500

Note: Always consult with a tire specialist or the vehicle's manufacturer to ensure correct tire fitment.

Final Thoughts

The Cooper Discoverer AT3 4S stands out as a highly versatile tire, offering a blend of on-road comfort and off-road toughness. Its advanced technologies provide reliable traction in various conditions, making it a dependable choice for drivers who require performance and durability year-round. This tire's broad regional availability and compatibility with numerous popular vehicles enhance its appeal to a wide audience of light truck and SUV owners.

Notable Features

Cooper Discoverer AT3 4S Features & Benefits “Saw-Tooth” Elements

Cooper Discoverer AT3 4S Latest News

See more materials

Cooper Discoverer AT3 4S Latest Reviews

20 October, 2023 18:04 by George Corbin
4
Less than 6 months
Highway / Off‑road
Recommend
What is good?
Comfort
Dry Performance
Handling
Wet Performance 
Not bad for an A/T tire. Very quiet on pavement, quite smooth on most surfaces. I've put about 3k miles on them and about 3/4 of that driving has been done on gravel roads. Never had a fear of loosing traction unless I was really pushing it. Light mud never posed much on an issue. Done some water crossings no problems. Excellent hydroplane resistance.
What is bad?
Within the first 1500 miles I had to drive plug in the rear passenger tire in between the sipes on the tread block. Small rock got wedged in. So durability could be improved.
23 May, 2022 13:53 by Alex
4
More than 6 months
City / Highway / Off‑road
Recommend
What is good?
Comfort
Dry Performance
Handling
Price/Quality
Snow/Ice Performance
Wet Performance 
Great in deep snow,wet,dry surfaces and light off road. They perform really well on my Honda pilot.
What is bad?
Only time will tell how they wear out.
Comments
Well in 6 months and 2k miles I can say they are overall great all terrain tires for city and light off road in my case.  I can't comment on wear and durability yet, Only time will tell. What I can tell you is that I drove my Honda Pilot through 8 inches of snow including curved inclined hills like nothing I'm really impressed.
12 November, 2020 17:49 by Ryan
4
More than 6 months
City / Highway
Recommend
What is good?
Comfort
Handling
Treadwear 
I have had these tires for a year. I'm quite satisfied. My car became quieter and smooth and handling was ok too. The tire offers mostly good all-weather performance and long wear. It handled well in the wet and hydroplaning resistance was excellent!
What is bad?
I've been disappointed with the wet braking.

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Detailed Information

Type and Size
Tire Model
Cooper / Discoverer AT3 4S
Car Type
Season
All Season
Rim Diameter
15 / 16 / 17 / 18 / 20 / 22 "
Width
215 / 225 / 235 / 245 / 255 / 265 / 275 / 285 mm
Aspect Ratio
45 / 50 / 55 / 60 / 65 / 70 / 75 %
Construction
Radial
Special Features
Runflat
No
Mud and Snow
No
Extra Load
Optional
Speed and Load
Speed Index
H (max 130 mph) ... T (max 118 mph)
Load Index (max load for a tire)
 

Cooper / Discoverer AT3 4S Sizes & Specifications

Rim Model Size Index Features Utqg Tread depth Tread width Load range Max load Section width Overall diameter Tire weight Measured rim width Approved rim width Sidewall styling Price
R15 225/70 R15 100T 225/70 R15 100T 620/A/B 13.5 6.97 STD 1764.0 9.0 27.68 31.0 6.5 6 - 7.5 OWL
R15 235/75 R15 105T 235/75 R15 105T 620/A/B 14.0 6.73 STD 2039.0 9.3 28.74 31.0 6.5 6 - 8 OWL
R15 235/75 R15 109T XL 235/75 R15 109T XL 620/A/B 14.0 6.73 XL 2271.0 9.3 28.74 34.0 6.5 6 - 8 OWL
R15 255/70 R15 108T 255/70 R15 108T 620/A/B 14.0 7.95 STD 2205.0 10.3 29.09 38.0 7.5 6.5 - 8.5 OWL
R15 265/70 R15 112T 265/70 R15 112T 620/A/B 14.0 8.27 STD 2469.0 10.9 29.65 39.0 8.0 7 - 9 OWL
R15 265/75 R15 112T 265/75 R15 112T 620/A/B 14.0 7.72 STD 2469.0 10.5 30.55 39.0 7.5 7 - 9 OWL
R16 215/70 R16 100T 215/70 R16 100T 620/A/B 13.5 6.89 STD 1764.0 8.7 27.72 29.0 6.5 5.5 - 7 OWL
R16 225/70 R16 103T 225/70 R16 103T 620/A/B 13.5 6.97 STD 1929.0 9.0 28.66 32.0 6.5 6 - 7.5 OWL
R16 225/75 R16 104T 225/75 R16 104T 620/A/B 13.5 6.38 STD 1984.0 8.6 29.13 30.0 6.0 6 - 7.5 OWL
R16 235/70 R16 106T 235/70 R16 106T 620/A/B 13.5 7.4 STD 2094.0 9.4 28.82 33.0 7.0 6 - 8 OWL
R16 235/75 R16 108T 235/75 R16 108T 620/A/B 14.0 6.73 STD 2205.0 9.3 29.72 33.0 6.5 6 - 8 OWL
R16 245/70 R16 107T 245/70 R16 107T 620/A/B 13.5 7.64 STD 2149.0 9.8 29.45 36.0 7.0 6.5 - 8 OWL
R16 245/70 R16 111T XL 245/70 R16 111T XL 620/A/B 13.5 7.64 XL 2403.0 9.8 29.45 36.0 7.0 6.5 - 8 OWL
R16 245/75 R16 111T 245/75 R16 111T 620/A/B 14.0 7.05 STD 2403.0 9.6 30.31 37.0 7.0 6.5 - 8 OWL
R16 255/70 R16 111T 255/70 R16 111T 620/A/B 14.0 7.95 STD 2403.0 10.2 30.04 38.0 7.5 6.5 - 8.5 OWL
R16 265/70 R16 112T 265/70 R16 112T 620/A/B 14.0 8.27 STD 2469.0 10.8 30.39 42.0 8.0 7 - 9 OWL
R16 265/75 R16 116T 265/75 R16 116T 620/A/B 14.0 7.72 STD 2756.0 10.5 31.57 41.0 7.5 7 - 9 OWL
R17 215/65 R17 99T 215/65 R17 99T 620/A/B 13.0 6.77 STD 1709.0 8.7 28.15 31.0 6.5 6 - 7.5 OWL
R17 225/65 R17 102H 225/65 R17 102H
R17 235/60 R17 102T 235/60 R17 102T 620/A/B 12.5 7.64 STD 1874.0 9.6 28.31 32.0 7.0 6.5 - 8.5 OWL
R17 235/65 R17 108T XL 235/65 R17 108T XL 620/A/B 13.0 7.52 XL 2205.0 9.5 29.21 35.0 7.0 6.5 - 8.5 BW
R17 235/70 R17 109T XL 235/70 R17 109T XL 620/A/B 13.5 7.44 XL 2271.0 9.5 30.0 37.0 7.0 6 - 8 OWL
R17 235/75 R17 109T 235/75 R17 109T 620/A/B 14.0 6.85 STD 2271.0 9.3 30.75 35.0 6.5 6 - 8 OWL
R17 245/65 R17 111T XL 245/65 R17 111T XL 620/A/B 13.0 7.68 XL 2403.0 9.5 29.53 37.0 7.0 7 - 8.5 OWL
R17 245/70 R17 110T 245/70 R17 110T 620/A/B 13.5 7.72 STD 2337.0 9.7 30.47 37.0 7.0 6.5 - 8 OWL
R17 255/65 R17 110T 255/65 R17 110T 620/A/B 13.0 8.19 STD 2337.0 10.2 30.16 36.0 7.5 7 - 9 OWL
R17 255/70 R17 112T 255/70 R17 112T 620/A/B 14.0 7.91 STD 2469.0 10.2 31.18 41.0 7.5 6.5 - 8.5 OWL
R17 255/75 R17 115T 255/75 R17 115T 620/A/B 14.0 7.44 STD 2679.0 10.0 31.97 39.0 7.0 6.5 - 8.5 OWL
R17 265/65 R17 112T 265/65 R17 112T 620/A/B 13.0 8.5 STD 2469.0 10.6 30.59 41.0 8.0 7.5 - 9.5 OWL
R17 265/70 R17 115T 265/70 R17 115T 620/A/B 14.0 8.27 STD 2679.0 10.7 31.42 43.0 8.0 7 - 9 OWL
R17 285/70 R17 117T 285/70 R17 117T 620/A/B 14.0 8.94 STD 2833.0 11.5 32.76 46.0 8.5 7.5 - 9.5 OWL
R18 255/70 R18 113T 255/70 R18 113T 620/A/B 14.0 8.07 STD 2535.0 10.2 32.13 42.0 7.5 6.5 - 8.5 OWL
R18 265/60 R18 110T 265/60 R18 110T 620/A/B 12.5 8.62 STD 2337.0 10.7 30.55 41.0 8.0 7.5 - 9.5 OWL
R18 265/65 R18 114T 265/65 R18 114T 620/A/B 13.0 8.54 STD 2601.0 10.7 31.54 42.0 8.0 7.5 - 9.5 OWL
R18 265/70 R18 116T 265/70 R18 116T 620/A/B 14.0 8.39 STD 2756.0 10.7 32.64 44.0 8.0 7 - 9 OWL
R18 275/65 R18 116T 275/65 R18 116T 620/A/B 13.0 8.74 STD 2756.0 11.0 32.13 43.0 8.0 7.5 - 9.5 OWL
R20 255/50 R20 109H XL 255/50 R20 109H XL
R20 265/50 R20 111T XL 265/50 R20 111T XL 620/A/B 12.5 8.78 XL 2403.0 10.6 30.51 42.0 8.5 7.5 - 9.5 OWL
R20 275/55 R20 117T XL 275/55 R20 117T XL 620/A/B 12.5 9.13 XL 2833.0 10.9 31.93 44.0 8.5 7.5 - 9.5 OWL
R20 275/60 R20 115T 275/60 R20 115T 620/A/B 12.5 8.86 STD 2679.0 10.9 33.03 44.0 8.0 7.5 - 9.5 OWL
R22 275/45 R22 112H XL 275/45 R22 112H XL
R22 285/45 R22 114H XL 285/45 R22 114H XL

Note! Have you driven on the Cooper / Discoverer AT3 4S tire?

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Sort by: Date
20 October, 2023 18:04 by George Corbin
4
Less than 6 months
Highway / Off‑road
Recommend
What is good?
Comfort
Dry Performance
Handling
Wet Performance 
Not bad for an A/T tire. Very quiet on pavement, quite smooth on most surfaces. I've put about 3k miles on them and about 3/4 of that driving has been done on gravel roads. Never had a fear of loosing traction unless I was really pushing it. Light mud never posed much on an issue. Done some water crossings no problems. Excellent hydroplane resistance.
What is bad?
Within the first 1500 miles I had to drive plug in the rear passenger tire in between the sipes on the tread block. Small rock got wedged in. So durability could be improved.
23 May, 2022 13:53 by Alex
4
More than 6 months
City / Highway / Off‑road
Recommend
What is good?
Comfort
Dry Performance
Handling
Price/Quality
Snow/Ice Performance
Wet Performance 
Great in deep snow,wet,dry surfaces and light off road. They perform really well on my Honda pilot.
What is bad?
Only time will tell how they wear out.
Comments
Well in 6 months and 2k miles I can say they are overall great all terrain tires for city and light off road in my case.  I can't comment on wear and durability yet, Only time will tell. What I can tell you is that I drove my Honda Pilot through 8 inches of snow including curved inclined hills like nothing I'm really impressed.
12 November, 2020 17:49 by Ryan
4
More than 6 months
City / Highway
Recommend
What is good?
Comfort
Handling
Treadwear 
I have had these tires for a year. I'm quite satisfied. My car became quieter and smooth and handling was ok too. The tire offers mostly good all-weather performance and long wear. It handled well in the wet and hydroplaning resistance was excellent!
What is bad?
I've been disappointed with the wet braking.

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