Discoverer A/TW™

Fits Trucks/Pickups All-Season

Discoverer A/TW™ is rated 4.4 out of 5 by 14.
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Standard Limited Warranty
50,000 Mile Treadwear Protection
Severe Weather Rated

The Discoverer A/TW™ is an all-season tire designed for SUV and light truck owners looking for on- and off-road capabilities with enhanced snow capabilities.

  • Achieves the severe weather rating
  • An all four season performer
  • Tread design prevents stone retention

M+S Rated


Dry Performance

The tire’s ability to grip the road in dry conditions.

Wet Performance

The tire’s ability to grip the road in wet conditions.

Tread Wear

The wear rate of the tire.

Quiet Ride

The measure of how quiet a tire is while driving.


How the tire is able to respond to driving such as accelerating, breaking, steering and turning.

Off Road

The tire’s ability to have grip on unpaved surfaces such as dirt, mud, sand, rock or gravel.

*When compared to other Cooper® tires.

Tire Design

  • Chevron Self-Cleaning Grooves

    More aggressive offsets improve snow and loose surface traction.

  • Full Length, Full Depth Micro-Gauge™ Corrudated Sipes

    Optimizes all-terrain performance with an emphasis on winter traction and improves worn appearance for a more premium look.

  • Snowgroove 2.0

    Increases the contact surface area and locks snow into the grooves, generating snow-on-snow traction.

  • Twin Tie Bars

    Provide stability for confident handling and reduces irregular wear for longer tread life and a quieter ride.

Full Specs

Tire Size Service Description UTQG Load Range Sidewall Approved Rim Width Measured Rim Width Section Width Overall Diameter Tread Width Max Load Tread Depth (1/32")
LT235/75R15 104\101R C BLK 6 - 7 6.5 9.1 28.9 7.01 1985 16
LT215/85R16 115\112R E BLK 5.5 - 7 6 8.4 30.31 5.98 2680 16.5
LT235/85R16 120\116R E BLK 6 - 7.5 6.5 9.4 31.77 6.69 3042 16.5
LT225/75R16 115\112R E BLK 6 - 7 6 8.5 29.33 7.01 2680 16.5
LT245/75R16 108\104R C BLK 6.5 - 7.5 7 9.6 30.51 7.4 2205 16.5
LT245/75R16 120\116R E BLK 6.5 - 8 7 9.7 30.35 7.52 3042 16.5
LT265/75R16 123\120R E BLK 7 - 8 7.5 10.6 31.61 7.8 3415 16.5
LT285/75R16 126\123R E BLK 7.5 - 9 8 11.6 32.56 8.9 3750 17
LT235/80R17 120\117R E BLK 6 - 7.5 6.5 9.2 31.77 6.69 3085 16.5
LT245/75R17 121\118S E BLK 6.5 - 7.5 7 10 31.5 7.64 3195 16
LT245/70R17 119\116R E BLK 6.5 - 8 7 9.8 30.55 7.87 3000 16.5
LT265/70R17 121\118S E BLK 7 - 8.5 8 10.9 31.65 8.58 3195 16.5
LT285/70R17 121\118S E BLK 7.5 - 9 8.5 11.4 32.83 9.09 3195 17
LT265/70R18 124\121R E BLK 7 - 9 8 10.7 32.64 8.9 3525 16.5
LT275/70R18 125\122S E BLK 7 - 8.5 8 11.1 33.23 8.9 3640 16
LT275/65R18 123\120S E BLK 7.5 - 9.5 8 11.1 32.09 8.9 3415 16
LT285/65R18 125\122S E BLK 8 - 10 8.5 11.6 32.56 9.41 3640 16
LT275/65R20 126\123S E BLK 7.5 - 9.5 8 11.1 34.21 8.9 3750 16
LT265/60R20 121\118R E BLK 7.5 - 9.5 8 10.7 32.52 8.78 3195 16


Rated 5 out of 5 by from This is one of the best tires I've ever had on my vehicles. Great quiet ride, they wear well and decent price. I like the fact that they come with a rebate. These tires do not roar on the highway and they are very dependable.
Date published: 2017-08-07
Rated 2 out of 5 by from Great grip terrible wear I have put two sets of these tires on my Ford Ranger, both were bald within one year an less than 20000 miles! They do provide great traction, I was sure footed all winter, yet it still doesn't make up for needing to buy a new set of tires every year.
Date published: 2017-05-02
Rated 5 out of 5 by from got threw whole winter at 9800 ft I was recommended this tire by a friend that lives at 8000 ft in the rockies.I was not disappointed . I live on a very steep drive the tires hold well in pow on incline but they eat up the the snow on flat land as for ice great breaking and cornering long as your driving 09 gmc 4x4
Date published: 2017-04-29
Rated 5 out of 5 by from Great all season/winter tire This tire has out performed my expectations. It has extremely good traction on the snow/ice even at highway speeds. Handling is very solid in both dry and wet as well as snowy roads. these are on a 98 toyota 4runner that is a daily driver making 40 mile comutes every day, and this winter we had snow on the ground for 3 strait months.
Date published: 2017-04-19
Rated 5 out of 5 by from Best tire I've owned I know that is a bold statement and I stand by it. I put these tires on my f350 that I use for landscaping and to plow snow on Vancouver Island. Terrain here is hilly and this has been the worst snow year in a long time. These tires have way out performed the last two sets I have used. The other two sets were snow and ice specific and way more expensive. I haven't had to chain up once this year and my confidence in these tires has made my job a lot easier. I will be buying these tires again!
Date published: 2017-02-10
Rated 4 out of 5 by from Great snow tire. I have these on a Tacoma running LT's. They perform very well in snow and ice conditions. In deep snow I just air them down and they perform well. The only drawback on them is mud they don't do nearly as well as my Cooper ST Maxx did but the ST didn't do nearly as well on snow and ice as the ATW's do so it's a trade off. I'm in the mud a lot on the farm so the ST Maxx will be my next purchase.
Date published: 2017-02-01
Rated 4 out of 5 by from Excellent all round tire These tires have been on for almost two years. One full winter and two half winters on a Jeep Grand Cherokee All Wheel Drive. With approximately 20'000 miles (32'000 kms) on these tires, wear is limited. The vehicle using 235/80R17 tires pulls a 5'000 pound trailer with a 450 pound tongue weight in the summer and has put 3'000 miles (5'000 kms) in temperatures of up to 40 degrees. Winter traction is excellent, and no real problem with snow. The closed lugs do not clear as well as an open lug, but the tire does very well to clean itself. Ice is certainly not as good as Michelin X-ice for example, but this is an all around A/TW. For areas that require the winter mountain snowflake this is a great option. Stopping distances are to be monitored depending on conditions. Used off-road in mud and on rock, this tire does very well. Have used it aired down to 12 pounds and it is fantastic climbing up smooth rock without turning a tire. In Heavy wet mud it does not compare to a M/T, but again it is an A/TW. This tire has great deflection, solid sidewalls, and is a great option for those that will be covering all seasons and need a strong work tire. Its heavy sidewall construction (for a LT tire) make for a firm ride, and is more comfortable with lower psi, or weight in the vehicle. That being said it will handle high pressures well, and we regularly run at 60 psi when towing.
Date published: 2017-01-23
Rated 5 out of 5 by from Great winter traction! After reading the Consumer review, I had a new set of Cooper Discover AT/W, 245/ 75-16E installed my 2004 Tacoma 4wd before driving up from San Jose, CA to Lake Tahoe/ Reno area for the weekend on Jan. 19, 2017 and was absulutely impressed by these tires! Jan 2017 is a record year for Snow in the Sierras, this weekend storm is one of 3 which I'm facing driving through HWY80. So far these tires grip through deep snow and plowed roads. There is a hum, music to my ears at speeds on dry roads which I'm used too with all AT tires I've had on the past and my friends barely noticed with the radio on. So far this All Terrain rated tire had the best winter grip I've used, better than Goodyear Silent Armor, BFG KO2s, and Duelers. Can't wait to drive these through mud and rocks at Hollister, CA and Moab in May!
Date published: 2017-01-21
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Standard Limited Warranty

50,000 Mile Treadwear Protection

Download the 2017 Consumer Replacement Tire Guide, Limited Warranty & Registration Booklet.