Discoverer RTX™

Fits SUVs/CUVs and Trucks/Pickups All-Season

Discoverer RTX™ is rated 4.7 out of 5 by 34.
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This SUV and light truck tire was built with an aggressive and rugged design. The Discoverer RTX™ is ready to take on almost any terrain.

  • On and off-road traction
  • Stone ejectors
  • Increased soft surface and snow traction

M+S Rated

Features

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.

Handling

How the tire is able to respond to driving such as accelerating, braking, 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

  • 5-Rib Tread Pattern With Lateral Grooves

    For increased wet and light snow traction.

  • Aggresssive Buttress / Shoulder Design

    Provides and aggressive look and increases tire's off-road traction capabilities.

Full Specs

Tire Size Service Description UTQG Load Range Sidewall Approved Rim Width Measured Rim Width Section Width Overall Diameter Tread Width Tire Weight Max Load Tread Depth (1/32")
235/75R15 105T 500 A B STD OWL 6 - 8 6.5 9.3 28.66 6.73 31 2039 13
225/75R16 104T 500 A B STD OWL 6 - 7.5 6 8.6 29.09 6.42 30 1984 13
235/75R16 108T 500 A B STD OWL 6 - 8 6.5 9.3 29.65 6.89 33 2205 13
245/75R16 111T 500 A B STD OWL 6.5 - 8 7 9.6 30.24 7.09 35 2403 13
265/75R16 116T 500 A B STD OWL 7 - 9 7.5 10.6 31.5 7.76 38 2756 13
215/70R16 100T 500 A B STD OWL 5.5 - 7 6.5 8.7 27.72 6.89 29 1764 13
225/70R16 103T 500 A B STD OWL 6 - 7 6.5 9 28.62 7.01 31 1929 13
235/70R16 106T 500 A B STD OWL 6 - 8 7 9.4 28.82 7.44 32 2094 13
245/70R16 107T 500 A B STD OWL 6.5 - 8 7 9.8 29.41 7.68 32 2149 13
255/70R16 111T 500 A B STD OWL 6.5 - 8.5 7.5 10.2 29.96 7.95 36 2403 13
265/70R16 112T 500 A B STD OWL 7 - 9 8 10.8 30.35 8.31 38 2469 13
235/70R17 109T 500 A B XL BLK 6 - 8 7 9.5 29.96 7.44 35 2271 13
245/70R17 110T 500 A B STD OWL 6.5 - 8 7 9.7 30.43 7.76 37 2337 13
255/70R17 112T 500 A B STD OWL 6.5 - 8.5 7.5 10.2 31.1 7.91 38 2469 13
265/70R17 115T 500 A B STD OWL 7 - 9 8 10.7 31.38 8.31 42 2679 13
235/65R17 104T 500 A B STD OWL 6.5 - 8.5 7 9.4 29.17 7.64 35 1984 12.5
245/65R17 107T 500 A B STD OWL 7 - 8.5 7 9.5 29.53 7.76 34 2149 12.5
255/65R17 110T 500 A B STD OWL 7 - 9 7.5 10.1 30.12 8.23 38 2337 12.5
265/65R17 112T 500 A B STD OWL 7.5 - 9.5 8 10.6 30.59 8.54 39 2469 12.5
255/70R18 113T 500 A B STD BLK 6.5 - 8.5 7.5 10.2 32.09 8.07 39 2535 13
265/70R18 116T 500 A B STD OWL 7 - 9 8 10.7 32.56 8.46 42 2756 13
265/65R18 114T 500 A B STD OWL 7.5 - 9.5 8 10.7 31.5 8.54 41 2601 12.5
275/65R18 116T 500 A B STD OWL 7.5 - 9.5 8 11 32.13 8.74 42 2756 12.5
265/60R18 110T 500 A B STD OWL 7.5 - 9.5 8 10.5 30.55 9.02 38 2337 12.5
275/60R20 115T 500 A B STD BLK 7.5 - 9.5 8 10.9 33.03 8.86 43 2679 12.5
275/55R20 117T 500 A B XL BLK 7.5 - 9.5 8.5 10.9 31.93 9.17 44 2833 12.5
31X10.50R15LT 109R C OWL 7 - 9 8.5 10.6 30.2 8.31 42 2270 16.5
LT235/85R16 120\116R E BLK 6 - 7.5 6.5 9.4 31.77 6.69 42 3042 16.5
LT225/75R16 115\112R E BLK 6 - 7 6 8.5 29.33 7.01 37 2680 16.5
LT245/75R16 120\116R E OWL 6.5 - 8 7 9.7 30.35 7.52 42 3042 16.5
LT265/75R16 123\120R E OWL 7 - 8 7.5 10.6 31.61 7.8 48 3415 16.5
LT285/75R16 126\123R E OWL 7.5 - 9 8 11.5 32.6 8.82 53 3750 17
LT315/75R16 127\124R E OWL 8 - 11 8.5 12.4 34.49 9.8 63 3860 17
LT305/70R16 124\121R E OWL 8 - 9.5 9 12.2 32.95 9.69 58 3525 17
LT235/80R17 120\117R E OWL 6 - 7.5 6.5 9.2 31.77 6.69 42 3085 16.5
LT245/75R17 121\118S E OWL 6.5 - 7.5 7 10 31.5 7.64 46 3195 16
LT245/70R17 119\116R E OWL 6.5 - 8 7 9.8 30.55 7.87 43 3000 16.5
LT265/70R17 121\118R E OWL 7 - 8.5 8 10.9 31.65 8.58 49 3195 16.5
LT285/70R17 121\118S E BLK 7.5 - 9 8.5 11.7 32.76 9.02 53 3195 17
LT315/70R17 121\118R D OWL 8 - 11 9.5 12.6 34.33 10 61 3195 17
LT265/70R18 124\121S E OWL 7 - 9 8 10.7 32.64 8.9 51 3525 16.5
LT275/70R18 125\122S E OWL 7 - 8.5 8 11.1 33.23 8.9 54 3640 16
LT275/65R18 123\120S E OWL 7.5 - 9.5 8 11.1 32.09 8.82 53 3415 16
LT285/65R18 125\122S E OWL 8 - 10 8.5 11.6 32.56 9.41 55 3640 16
LT275/65R20 126\123S E BLK 7.5 - 9.5 8 11.1 34.06 8.9 56 3750 16
LT305/55R20 121\118S E BLK 8.5 - 11 9.5 12.2 33.35 10.31 59 3195 16

Reviews

Rated 5 out of 5 by from F150 great in snow and off road I have had my RTX about 3 years! Quite, good ride great tread wear! I am glad I got them I would recommend them to anyone! Best tires I have ever had on my truck !
Date published: 2018-05-17
Rated 5 out of 5 by from Best on/off-road tire for the money Had these put on my 2006 4Runner last year. They were absolute monsters during the Midwest winter. Excellent grip in all conditions. I’ve had them in dirt, mud, snow, sleet, rain, etc. In one year and 12,000 miles they’ve had very little treadwear. If I had one complaint, it would simply be that if I don’t go get them balanced every 4-5,000 miles, they get a little shaky at upper highway speeds (75-80mph). Coopers are the best tires out there.
Date published: 2018-05-17
Rated 5 out of 5 by from I approve this tire. As one who constantly monitors tires pressure, tread wear, and ride quality on my vehicle, I have come to know that cooper outperforms all the other tires I have installed on my light truck. At 314k miles, and being a "spirited" driver, I have been through some tires. This is by far the longest lasting, most drivable tire I can find. And not to mention the meatiness of the tire makes my truck look great.
Date published: 2018-04-29
Rated 5 out of 5 by from nice tires Bought on the way back from Florida to Michigan and the tires performed well,went thru sleet and snow thru Kentucky and Ohio and i was very happy with the ride,grip and handling of the tires...
Date published: 2018-03-22
Rated 5 out of 5 by from Great tire Got 4 of these when NTB was having buy 2 get 2, you had to pay for an "alignment check" but even with that they were still less than other quotes I had called for. Size is 275/65/18 and they are on a 2012 F150 4X4. They are quiet at highway speeds (just a bit of a sing) handle well, snow traction is impressive and in the mud they dig well. Haven't had any issues with them in the first 5,000 miles. Have enjoyed the confidence of Cooper tires for many years and these seem to be of the quality that Cooper is known for. Will be keeping close track of miles driven but I don't think I'll be disappointed in their longevity. Thanks Cooper, another fine product!
Date published: 2018-03-06
Rated 5 out of 5 by from Great offroad I bought these a few months ago for my Jeep Wrangler. I had mud terrains on it before. They are very quite on the road and I was very pleased. I have since tested them out in the Arizona desert and they perform better then expected off road. Very good traction and they did not slip going up steep grades. Also the price was great with buy three get one free. Very happy with them so far.
Date published: 2018-03-01
Rated 5 out of 5 by from good winter tire it works great on my 1981 k10 custom pickup on all conditions plus they have a good look to them
Date published: 2018-02-15
Rated 5 out of 5 by from Over 40,000 miles and still over an 1/8th of tread left Ive driven these tires for more than 40,000 miles and couldnt be happier. Especially for the price at about 34”. Ive put about half and half between highway/freeway and town/backroads. They have been down a couple of dirt roads and across job sites, and Ive never had an issue! Although out of the normal here, they have driven through 2+ feet of flood waters and through snow and ice. Ive never had anything puncture them or had any problems with structure. If your an everday guy looking for a good quality and decently priced tire, I would highly recommend. Do Not Doubt Cooper tires.. its worth it. Im gonna upgrade to the 35” S/T Maxx after these go bald!
Date published: 2018-01-30
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Warranty

The Discoverer RTX™ tires are available exclusively through Tire Kingdom, Merchants, NTB and Big O and may have a warranty maintained and administered by these retailers. Please contact one of these retailers for more information on their warranties.

Reward

70 Discoverer RTX™