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Buy 3 Select Tires, Get the 4th Free Instantly
Buy 3 Tires, Get 4th Tire Free Instantly. Receive a discount equal to the price of a single tire when four tires are added to the cart. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & product detail pages. All other tires and special order tires are excluded from this offer. Valid when scheduled for installation on and installation is completed between 2/16/17 through 2/22/17.

Buy 2 Tires, Get 10% Off
Receive 10% off 2 tires on your online purchase. Use promotional code ROLLOUT10 at checkout to receive discount. This offer cannot be combined with any other offers, coupons or rebates. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & tire detail pages. All other tires, as well as special order tires, are excluded from this offer. Valid if purchased online or installed by 2/22/17.

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  • Size: 275/55R20
  • Part #: 90000020053|
  • SKU: 945323|
  • (P) Passenger



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Cooper Adventurer A/T

A balance of all-terrain traction, aggressive styling and on-road manners is all available in one tire for today's SUVs and 1/2 ton trucks. The Adventurer A/T integrates a tread and siping pattern that handles wet, dry and off-road conditions while providing dependable mileage and a quiet ride. The all-terrain, silica-infused tread compound increases grip while the enhanced sidewall improves handling. An all-terrain tire for wherever you want to go.
  • All-terrain performance
  • Provides dynamic handling, dependable mileage and all-terrain traction
  • Chevron Traction Grooves efficiently move water away from the tread-to-road contact area and creates excellent soft surface and snow traction
  • TracGrip Tread Compound is formulated with an optimal mix of all-terrain and road traction properties to provide consistent and dependable performance and grip.
  • Tread Element Chamfers improve the wear pattern of the tire, reduces the potential for irregular wear, allows the tire to remain quiet and extends the overall tread life of the tire.

50,000 Miles
Tire Size
Truck and SUV275/55R20
Tire Type
Speed Rating
Load Index
Load Range


Safety Rating is a combination of two values: Load Index and Speed Rating for P-Metric and Euro Metric tire sizes; and Load Range and Speed Rating in the case of heavy duty LT (light truck) sizes.

Speed Rating is based on the speed that the tire is designed to be driven at for extended periods of time. All tires in the in the U.S. are designed to maintain legal U.S. speed limits. The speed rating of tires must match the maximum driving speed of the vehicle.

Load Index is used on P metric and Euro Metric sized tires and denotes a tire's load-carrying capacity at a specified inflation pressure. The load index is represented by a number, the higher the Load Index Value the greater the load the tire can safely carry. Vehicle manufacturers recommend a maximum load capacity based on a recommended minimum load index.
(P) Passenger
Tire Class


Tire Class reflects how the tire will be used. There are four major categories: All-Season, Max Performance, Summer-Only and Winter-Use.

All-Season tires are suitable for year-round driving in all weather conditions.

Summer-Only & Max Performance tires are specifically designed for high-performance driving. Tire compound, tread design and speed ratings all combine to hug the road and maintain grip. Summer tires by nature are not ideal for winter driving due to lack of siding to grip winter roads.

Winter-Use tires have tread compounds and patterns that are specially designed for grip on snowy or icy road surfaces. They are not suitable for year-round use. The rubber compound used will wear more quickly on dry, summer roads. It is recommended that winter tires are fitted as a complete set to avoid potential handling issues.
Everday Use
All Season
All Season

Off-Road Off-Road

Summer-Only Summer-Only

Winter-Use Winter-Use
Tread Type


Tread Type is an important consideration when choosing a tire. There are four main types: Passenger, Highway, All-Terrain and Mud-Terrain.

Passenger denotes a tread that is suitable for normal use, a good all-round tread for normal driving.

Highway is a tread type unique to SUV and truck tires. The tread is optimized for normal everyday driving on paved surfaces. These tires can be driven off pavement, but are not ideally suited for off road traction. Highway tread patterns deliver a quiet ride.

For light trucks and specialty vehicles, All-Terrain tread types provide better off-road traction than standard highway truck tires. There more aggressive tread tends to be less quiet on paved roads. All Terrain tires are suitable for everyday use.

Mud-Terrain treads are specifically designed with wider tread blocks and higher void ratios to gain traction in off-road conditions. Mud Terrain tires can generate higher noise levels and tend to carry lower mileage warranties than other tread designs.
Passenger Passenger
Highway Highway
All-Terrain All-Terrain
Mud-Terrain Mud-Terrain

UTQG - Uniform Tire Quality Grade

UTQG (Uniform Tire Quality Grade) is made up of three values: treadwear, traction and temperature.

Treadwear is a relative numeric score, based on manufacturer tests, showing how well a tire can be expected to wear compared to other tires. A higher score means a tire could be expected to wear better.

Traction measures the tire's ability to stop a vehicle on wet roads. It doesn't reflect a tire's acceleration, cornering, or hydroplaning performance. Traction grades range from AA (highest) to C (lowest).

Temperature grades the tire's ability to withstand heat build-up, with A being the highest grade and C the lowest.

A - Over 115 mph
B - Between 100 to 115 mph
C - Between 85 to 100 mph
Treadwear: 500
Traction Asphalt - gForce
AA - Above 0.54
A - Above 0.47
B - Above 0.38
C - Less Than 0.38
A - Over 115 mph
B - Between 100 and 115 mph
C - Between 85 and 100 mph

Drive / Ride Performance Characteristics

All tires have the following six performance characteristics, divided into three sets of trade-offs. In most cases, a tire may perform excellently in one characteristic but only standard in the other.
Standard Ride Comfort & Standard Handling
Handling: Get stiff side wall for precise steering and cornering but settle for a firm ride with increased road noise.
Ride Comfort: Enjoy a quiet, smooth ride but lose some cornering ability.
Standard Treadwear & Standard Traction
Traction: Stop faster in wet conditions but expect a shorter tread life.
Treadwear: Get long, uniform wear across your tread pattern but expect less traction in wet conditions.
Standard Low Rolling Resistance & Standard High Speed Performance
High-Speed Performance: Get increased performance at higher speeds but sacrifice some fuel economy.
Low Rolling Resistance: Enjoy improved fuel efficiency but expect less high-speed cornering ability.


Rated 4.6 out of 5 by 203 reviewers.
Rated 5 out of 5 by USA Made and a great value My BFG Long Trail TAs had dry rot in tread after 4 years and 32 K miles and would not do anything on warranty. PepBoys to the rescue with a buy 3 get 1 on the Cooper Adventurer A/T, plus a $60 rebate plus a mark down of $12/tire from normal purchase price. This was an offer I could not refuse. Ordered online, went to dealer 15 minutes later, was service complete an hour and change afterwards. Top shelf and good looking tire made by a US company. November 4, 2014
Rated 5 out of 5 by Quality & Value Read several reviews before purchasing & was persuaded to take a shot on Cooper. First of all, the price was exactly what I was looking for. The last set of Michelin's were great, but they came at a high price so I was looking for something a little easier on the wallet. Second, they look great on my Titan. Most importantly, these tires are surprisingly quiet for an A/T tire and offer great traction in wet conditions. I've only had the tires for 3 weeks, but I really am happy w/ my decision to try the Cooper tires. Finally, the customer service I got from the guys at Pep Boys was great. Answered all my questions & was treated w/ respect & appreciation. November 3, 2014
Rated 5 out of 5 by Love the Tires! My first experience at Pep Boys was great! Friendly people, fast service. Will go again... October 30, 2014
Rated 5 out of 5 by Great Tire The Cooper Adventurer looks great on my Ford Escape. The handling in the rainy season way outperforms the factory Continentals that were replaced. The road noise is about the same. Overall, I am very pleased with this tire and will probably put another set on my Nissan truck. October 25, 2014
Rated 4 out of 5 by Good all around tire Use the truck on a small farm, not 4 wheel drive. Second set on this truck. 38K out of the first set. I would recommend this product to family and friends. October 23, 2014
Rated 4 out of 5 by Great Tire So Far... low Miles Satisfied with tires. Not PB Install price. Did not have PB install. October 20, 2014
Rated 4 out of 5 by Durable tire for Pennsylvania For the price this is a durable tire for the terrain no matter what part of Pennsylvania you are in. They do well in all types of weather. October 14, 2014
Rated 4 out of 5 by Great traction i have a 2013 f150 4X4. i had the stock good years and switched to the cooper. The cooper has a stiffer feal but better traction. October 14, 2014
Rated 5 out of 5 by Excellant tires and Pep Boys service. These tire so far have been great, I have typically been a Michelin fan. These tires are as smooth and as quiet as any Michelin tires I have had in the past. Definitely recommend these tires and Pep Boys. October 9, 2014
Rated 4 out of 5 by Traction Great tire for the money, I do a lot of highway driving, tires do have road noise on high speeds. Great traction in rain/ heavy rain, with these tires you can go on/off road. Great tire and great service at pep boys. October 2, 2014
Rated 5 out of 5 by great tires great tires October 1, 2014
Rated 5 out of 5 by Great Tire Cooper Adventurer A/T Tire: This is a good looking tire that rides great. I have only had them on for two weeks but so far they are a great set of tires. The price was very good with the buy 3 get 1 free, free shipping, and a $60 rebate card made a set of four 275/55/20 A/T tires cost about $490. I had them mounted and balanced at a local tire shop for $10 per tire so the total cost was $530 September 29, 2014
Rated 5 out of 5 by Awesome! I got a set of 4 for my Jeep Liberty and they look great! September 28, 2014
Rated 5 out of 5 by Great, great,great........did I mention great? I am very pleased with these tires and the service I got at the store (on a holiday no less) September 22, 2014
Rated 5 out of 5 by Look nice on the truck Just installed so cannot comment or durability or wear however they look great and have the aggressive tread design I was looking for September 18, 2014
Rated 5 out of 5 by Nice tires They look and ride great on our vehicle. Not sure about how long the tread will last but, I hope its at least 40-50k miles. September 18, 2014
Rated 5 out of 5 by excellent Hassle free great tires and no mess delivery September 11, 2014
Rated 5 out of 5 by Great overall all terrain tire Perfect tire for my Dodge Ram. Great traction, looks good, road noise is minimal. Recommend. September 10, 2014
Rated 4 out of 5 by smooth ride cooper tires on this vehicle makes the ride smoother September 6, 2014
Rated 5 out of 5 by Great tires! I have used Cooper Tires for about 15 years now. They are a great product and they have never disappointed me. This is the first time that I have used the Adventurer A/T, and I am well pleased with them. August 26, 2014
Rated 5 out of 5 by Very Quiet I didn't expect these tires to be so quiet. Great deal......Buy 3 get 4th free. Couldn't find any reviews so I was skeptical of purchasing these tires but for the price I took a chance. These are not the same as the Discoverer AT3 Cooper Tires which I could find reviews for. So far I'm impressed...No regrets. August 23, 2014
Rated 5 out of 5 by Smooth Ride The tires look great on my Jeep Grand Cherokee, are very quiet on the highway August 23, 2014
Rated 4 out of 5 by Good tire for the price I like the looks of these tires August 16, 2014
Rated 3 out of 5 by Happy with the tires I purchased Good product price especially with the buy 3 tires get 1 free. The install and road hazard cost was considerably higher than town fair tire but overall I save a bit of money. The staff was friendly but the service was extremely slow. Nearly 3 hours to put tires on and I had made an early morning appointment with no waiting to start. August 14, 2014
Rated 5 out of 5 by Awesome tires! Great tires at a great price with great service August 12, 2014
Rated 5 out of 5 by Awesome service and great price Found tires on website. Got a discount for setting up appointment online. tires were installed quickly and look great. I was given a mail in rebate sheet which will reduce the price even more! August 4, 2014
Rated 4 out of 5 by Good set of tires this is a good set of tires...considering the cost. I purchased the set of 4 tires with the buy 3 and get the 4th for free deal at Pep Boys. Tires so far are a good ride, a little stiffer than what I thought, but they are an A/T tire, so not too bad and they ride pretty quiet. Bought them for my 06 Expedition. the reason for the 4 stars instead of 5 was the installation time at the store....set the appt up for 9AM and still had to wait 3 hours for them to install my tires. July 25, 2014
Rated 5 out of 5 by Love my Cooper Adventurer AT tires! Love these tires. Great ride. July 22, 2014
Rated 5 out of 5 by Great Product for the Price I recently bought four new Cooper Adventurer A/T tires and had them installed by Pep Boys. I must say the the experience was fairly pleasant. The job was done in an acceptable amount of time, the price was very reasonable and the tire seems to be handling very well to the roads I drive. Fairly quite on my Nissan Titan, grips the road well and goes through standing water like a champ. July 21, 2014
Rated 4 out of 5 by Good overall tire! I was looking for tires to replace my Duelers. This tire is quieter on the highway. Good traction in the rain. I have them about a month now, so I will need more time to give a better evaluation. July 19, 2014
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