All-terrain tire Updated September 2026

Cooper Discoverer A/T3 review

Name: Cooper Discoverer A/T3
Brand: Cooper

Relative score from owner reviews only

Owners 67 · 973 reviews analysed

How scores work

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The Cooper Discoverer A/T3 is widely praised by users as a versatile, competitively priced all-terrain tire offering exceptional highway comfort, remarkably low road noise, and reliable grip across dry, wet, and light off-road conditions. While the overwhelming majority of reviews are positive regarding value and road manners, a minority of users report mixed experiences with snow/ice performance, balancing difficulties, and durability issues under heavy load or rugged terrain.

Community sentiment Positive Read the buzz

#low road noise#snow and wet traction#treadwear and longevity#ride comfort and quality#mud performance limitations

What owners say

No road-test results yet, so every score here comes from owner reviews found online.

How scores work

Relative score: 0–100. Blends road tests (60%) and owner reviews (40%) category by category, the same way on every TireWheelGuide page. With only one of the two, the missing half is estimated from it, so the score stays closer to average. It needs at least one road test or five owner reviews.
Road tests: 0–100 per score, from published tests, newer tests counting more. Each result is compared with every other tire in the same test, so a win against a strong field counts for more. The average tested tire gets 70, the best 100; with only one or two tests a tire stays nearer 70. The discipline rows show % of the best tire in that test.
Owner reviews: 0–100 from the owner reviews we found online, adjusted for how generously each site rates and scaled like the road tests: the average tested tire gets 70. With only a few reviews a tire stays near the average.

By owner reviews

67/100

From 973 owner reviews analysed, scaled like the road tests: the average tested tire gets 70.

Would buy again 53%

Dry

Overall dry

73.2

Corner stability

Dry traction

70.7

Steering response

69.6

Wet

Overall wet

74.5

Wet traction

71.3

Snow & ice

Overall snow & ice

66.4

Comfort

Overall comfort

68.2

Noise

Overall noise

65.3

Treadwear

Overall treadwear

53.7

Handling

Overall handling

65.3

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Cooper Discoverer A/T3 specs & sizes

Prices vary by size, so each one links out separately.

Specifications
Tread depth	14 - 17/32″
UTQG	560 A B
Sidewall	Black Side Wall - Raised Outline White Lettering
Max pressure	44 - 80 psi

Size	Retailer
265/70 R15	Amazon
265/75 R15	Amazon
215/70 R16	Amazon
235/75 R16	Amazon
245/75 R16	Amazon
265/70 R16	Amazon
255/75 R17	Amazon
285/70 R17	Amazon
255/70 R18	Amazon
265/65 R18	Amazon
265/70 R18	Amazon
255/50 R20	Amazon
275/45 R22	Amazon
285/45 R22	Amazon

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What owners like and dislike

Themes extracted from 973 owner reviews found online.

Pros

Exceptionally quiet and smooth highway ride for an all-terrain tire
Great traction and handling on dry and wet pavement
Strong value and competitive pricing compared to major brand competitors
Solid off-road capability in dirt, gravel, and mud

Cons

Some users experienced balancing issues and persistent road vibrations
Faster-than-expected tread wear or premature wear reported by a subset of drivers
Subpar performance on ice and hard-packed snow for certain vehicle applications
Soft sidewalls on certain load ratings leading to cornering flex under heavy loads

Worth knowing

Drivers running LT construction tires on heavy-duty trucks (such as the F-250, Ram 2500, and Land Cruisers) occasionally noted soft sidewalls and excessive flex when towing heavy trailers or cornering.
SUV and light truck owners (including Toyota 4Runners and Jeep Cherokees) frequently highlighted the impressive balance of aggressive off-road aesthetics with civilized daily-driving manners.

1 published test appearance

Placement within each field. Open a test for the discipline-by-discipline result.

2018 SA4x4 All-Terrain Tire Test R17 · 265/65R17

13th of 13

Only the final ranking was published for this test, not the results per discipline.

Source: SA4x4

What owners are saying

From Reddit, forums and review threads. Not part of the scores above.

Community sentiment for the Cooper Discoverer A/T3 is overwhelmingly positive, with users frequently praising its low road noise, smooth ride, and strong snow and wet traction. Owners appreciate its long tread life, solid towing capability, and reasonable value, though some note it packs up quickly in thick mud and can become slightly louder as it wears.

ford-trucks.com

“Been running them on the wifes truck for 3 or 4 years now. They are a good tire, very little noise on pavement, does fine on snow. Cooper Discoverer A/T3 Review”

f150forum.com

“Put a set on a day after I purchased my truck. Have about 8500 miles on them and no complaints whatsoever. Been on a 3000 trip with them not towing and a 2400 mile trip towing a 8K travel trailer. No problems on either trip. I'll get another set when these wear out, hopefully many miles down the road. No sign of wear yet!”

bobistheoilguy.com

“I have put 18k miles on the discoverer AT/3's on my F150 since last November and have been impressed with them so far. The tread seems to be wearing well, and I haven't noticed any more road noise than the BF Goodrich rugged trail T/As that I had on it before, and the ride quality has also been good compared to other tires. I haven't used them off road much but they did well in snow last winter, and have got good traction on wet pavement. Overall, I'd definitely say their good tires for the money, with their performance and the fact that they come with a 55,000 mile warranty.”

2012-08-28

forum.ih8mud.com

“Just a minor point... The tire in the picture is actually the Cooper Discoverer AT3 LT, not a Discoverer A/T3. They're different models, and Cooper does a really poor job IMO differentiating between them. I had Cooper Discoverer A/T3's E range on my 2nd Gen Tundra and LOVED them. That truck is gone, and now my Taco has Disco A/T3's and I'm finding them every bit as transformative.”

2018-07-29

bobistheoilguy.com

“I have a set of 275/60R20 on my dodge work truck. Coming up on 35k. Oilfield roads. These tires are ride smooth and are quiet. They have done well in the snow and mud for me. I will purchase a set of these for my own personal truck once needed. These are great tires.”

2012-09-08

f150forum.com

“Quote: Originally Posted by troy_v I have the A/T3 and like them a lot. They've been great on pavement, on dirt, and with the little bit of snow I've seen since installing them. No perceivable road noise either. Sweet. Here's the deal - my "off-roading" adventures are limited to driving down to the woods that I deer hunt on, no mudding to where I need an aggressive tire. I just want to make sure I keep with something stable for winter driving. I'm afraid the AT/3 might be a little too aggressive for my mostly-pavement driving. Any comments there? Thats why I lean towards the H/T Plus... but the tire shop is suggesting I check the AT/3 due to the mileage warranty and such.”

Sentiment breakdown

Positive67%

Mixed33%

Top themes

#low road noise#snow and wet traction#treadwear and longevity#ride comfort and quality#mud performance limitations#towing and hauling capability#value and pricing

From 24 threads and comments.