Cooper Discoverer AT3 LT

Good spec profile
Estimated from manufacturer specs (UTQG, warranty, speed rating)
Scouter Analysis
The Cooper Discoverer AT3 LT is a solid choice for those who prioritize durability and off-road capability. Its 60,000-mile treadwear warranty is a standout feature, surpassing the category average, which makes it appealing for long-distance adventurers who want longevity. The 3PMSF rating also adds value for drivers needing reliable traction in light snow conditions. In the all-terrain category, off-road traction is key, and the AT3 LT's specs suggest it's well-suited for mixed terrain use. However, its wet grip score of 4 is a weak point, underperforming the category average of 5.2, which could be problematic in wet conditions. The handling score of 6.5 matches the category average, providing predictable performance, but dry grip is slightly below average, which might not inspire confidence on dry roads. When compared to competitors like the Toyo Open Country A/T III, which offers better wet grip, the AT3 LT might fall short for those who frequently drive in wet weather. On the other hand, its treadlife advantage makes it a compelling option for those prioritizing longevity over wet performance. If wet grip is a critical factor for you, consider the Toyo Open Country A/T III instead. However, if you're focused on durability and off-road capability, the Discoverer AT3 LT is worth considering.
Spec-based analysis — see our methodology.
Performance Profile
Estimated from manufacturer specs — not measured test data.
Technical Specifications
Where to Buy
Check current pricing at these retailers.
TireScouter may earn a commission from links on this page (as an Amazon Associate we earn from qualifying purchases). Learn more.
Available Sizes & Specs
| Size | Load Index | Speed Rating | UTQG | Max Load (lbs) | Max PSI | Weight (lbs) |
|---|---|---|---|---|---|---|
| 215/85R16 | 115 | R | 500 NONE NONE | 2,680 | 80 | 38 |
| 225/75R16 | 115 | R | — | 2,680 | 80 | 38 |
| 235/85R16 | 120 | R | — | 3,042 | 80 | 43 |
| 245/70R17 | 110 | T | 600 | — | — | — |
| 245/75R16 | 120 | R | 600 NONE NONE | 3,042 | 80 | 44 |
| 245/75R17 | 121 | R | 600 NONE NONE | 3,195 | 80 | 46 |
| 265/70R16 | 121 | R | — | 3,195 | 80 | 46 |
| 265/70R17 | 115 | T | 600 | — | — | — |
| 265/70R17 | 121 | R | — | 3,195 | 80 | 50 |
| 265/75R16 | 123 | R | 600 NONE NONE | 3,415 | 80 | 49 |
Fits These Vehicles
NPR
NPR-HD
ProMaster 2500
Sprinter 3500
Grand Cherokee
ProMaster 1500
NPR-HD
Express 2500
E-350 Super Duty
E-450 Super Duty
Savana 2500
Savana 3500
+ 4 more vehicles
Related Buying Guides
Buying Guide
All-Season vs All-Terrain Tires
Compare comfort, off-road grip, tread life, and total cost before choosing a category.
Read guideBuying Guide
Best Tires for Trucks
Truck-focused picks and tradeoffs for highway, all-terrain, towing, and work-truck use.
Read guideBuying Guide
When to Replace Tires
Know the real tread-depth, age, and wear-pattern signs that mean your tires are ready to be replaced.
Read guide