Cooper
Discoverer AT3 LT
LT235/80R17 E
3PMSF
$171.74/tire
$228.99
Set of 4: $686.96
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Specifications
| Size | LT235/80R17 E Discoverer AT3 LT |
|---|---|
| Width | 235 mm |
| Aspect ratio | 80 |
| Rim diameter | R17 |
| Load index | 120/117 |
| Speed rating | R |
| Ply rating | 10 |
| Treadwear warranty | 60,000 miles |
|---|---|
| Tread depth | 16.5/32" |
| Weight | 43 lbs |
| Max pressure | 80 psi |
| Severe snow (3PMSF) | Yes |
| Run-flat | No |
About the Cooper Discoverer AT3 LT
All-Weather All-Terrain Passenger Light Truck/Pickup tire.
Features
* Whisper grooves* Even wear arc technology* Stone ejector ledges* Shred-resistant compound with silica coupled with next generation tread pattern* 60,000 Mile Treadwear Protection (LT-Metric Sizes)* Carries the Three-Peak Mountain Snowflake (3PMSF) symbol* Standard Limited Warranty* Free 45-Day Road Test
Benefits
* Help reduce worn tire noise* Strategically balances pressure at the tire to road contact area promoting even on road treadwear and superior handling* Protect the tire from stone drilling and maintain a clean tread for enhanced road traction* Generates superior cut and chip capabilities, significantly improving performance on sharp gravel, and long-lasting treadwear* Meets the required performance criteria for Use in Severe Snow Conditions
Understanding the LT235/80R17 E size
In the size code 235/80R17, 235 is the section width in millimetres (about 9.3"). 80 is the aspect ratio — the sidewall height is 80% of the width, or roughly 188 mm. R17 means radial construction on a 17-inch wheel, giving an approximate overall diameter of 31.8".
The load index 120 means each tire supports up to 3,086 lbs — about 12,344 lbs across a full set of four. The speed symbol R certifies the tire to 106 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
What the Cooper Discoverer AT3 LT is built for
It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it passed a standardised severe-snow traction test.
Price and value
At $171.74 per tire, a full set of four costs $686.96. That is about 10% below the average price of the 81 tires we stock in this size. Backed by a 60,000-mile treadwear warranty, that works out to roughly $11.45 per 1,000 miles across the set.
Frequently asked questions
What does the tire size 235/80R17 mean?
235 is the section width in millimetres, 80 is the aspect ratio (sidewall height as a percentage of width, about 188 mm), and R17 indicates radial construction for a 17-inch wheel. Overall diameter is approximately 31.8 inches.
What are the load and speed ratings of the Cooper Discoverer AT3 LT LT235/80R17 E?
Its load index of 120 allows up to 3,086 lbs per tire. Its speed rating of R is certified to 106 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Cooper Discoverer AT3 LT LT235/80R17 E tires cost?
A single tire is $171.74 and a set of four is $686.96, covered by a 60,000-mile treadwear warranty.
Is the Cooper Discoverer AT3 LT rated for snow?
Yes. It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it met a standardised severe snow traction test.
Does the Discoverer AT3 LT come in other sizes?
Yes — we stock 3 additional Discoverer AT3 LT sizes besides LT235/80R17 E. Fit only a size approved for your vehicle.
Other sizes of this model
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