Cooper Discoverer STT PRO
Key Features
- Fits Trucks
- Rock Climber Sidewall™ Technology helps conquer the toughest obstacles
- Stone Armor™ Technology helps defend against sharp rocks and debris
- Uniquely formulated rubber compound for outstanding performance in wet and dry off-road conditions.
- 45 Day Test Drive Guarantee
Vehicle Category: Light Truck/SUV
Performance Category: All Season
Contact Us About This Tire
77 Available Sizes
| Size | Load/Speed Index | Run Flat? | Overall Diameter |
|---|---|---|---|
| 15" | |||
| 30x9.5R15 | 104Q | 29.57" | |
| 30x9.5R15 | 104Q | 0.00" | |
| 31x10.5R15 | 109Q | 30.75" | |
| 31x10.5R15 | 109Q | 0.00" | |
| 32x11.5R15 | 113Q | 31.57" | |
| 32x11.5R15 | 113Q | 0.00" | |
| 33x12.5R15 | 108Q | 0.00" | |
| 33x12.5R15 | 108Q | 32.80" | |
| 35x12.5R15 | 113Q | 0.00" | |
| 35x12.5R15 | 113Q | 34.60" | |
| 16" | |||
| 215/85R16 | 115/112Q | 30.59" | |
| 235/85R16 | 120/116Q | 31.89" | |
| 245/75R16 | 120/116Q | 30.71" | |
| 265/75R16 | 123Q | 0.00" | |
| 265/75R16 | 123/119Q | 31.89" | |
| 285/75R16 | 126Q | 0.00" | |
| 285/75R16 | 126/122Q | 33.00" | |
| 305/70R16 | 124/120Q | 0.00" | |
| 305/70R16 | 124/120Q | 32.99" | |
| 315/75R16 | 127/123Q | 0.00" | |
| 315/75R16 | 127/123Q | 34.53" | |
| 315/75R16 | 127/123Q | 0.00" | |
| 17" | |||
| 35x12.5R17 | 121Q | 34.57" | |
| 37x12.5R17 | 124Q | 36.77" | |
| 37x12.5R17 | 124Q | 36.80" | |
| 40x13.5R17 | 121Q | 0.00" | |
| 40x13.5R17 | 121Q | 39.76" | |
| 255/75R17 | 111/108Q | 0.00" | |
| 255/75R17 | 111/108Q | 31.89" | |
| 265/70R17 | 121/118Q | 31.93" | |
| 265/70R17 | 121/118Q | 0.00" | |
| 285/70R17 | 121/118Q | 0.00" | |
| 285/70R17 | 121/118Q | 0.00" | |
| 285/70R17 | 121/118Q | 33.03" | |
| 295/70R17 | 121/118Q | 33.46" | |
| 295/70R17 | 121/118Q | 0.00" | |
| 305/65R17 | 121/118Q | 32.60" | |
| 315/70R17 | 121/118Q | 0.00" | |
| 315/70R17 | 121/118Q | 34.57" | |
| 18" | |||
| 35x12.5R18 | 118Q | 34.70" | |
| 37x13.5R18 | 124Q | 36.80" | |
| 38x15.5R18 | 128Q | 37.87" | |
| 275/65R18 | 123/119Q | 0.00" | |
| 275/65R18 | 123/119Q | 32.28" | |
| 275/70R18 | 125/121P | 0.00" | |
| 275/70R18 | 125/121P | 33.40" | |
| 285/65R18 | 125/121Q | 0.00" | |
| 285/65R18 | 125/121Q | 32.91" | |
| 295/70R18 | 129/126P | 34.49" | |
| 295/70R18 | 129/126P | 0.00" | |
| 305/60R18 | 121/118Q | 32.70" | |
| 305/60R18 | 121/118Q | 0.00" | |
| 305/60R18 | 126/122Q | 0.00" | |
| 305/60R18 | 126/122Q | 32.68" | |
| 305/70R18 | 126/122Q | 0.00" | |
| 305/70R18 | 126/122Q | 35.08" | |
| 325/65R18 | 127/123Q | 0.00" | |
| 325/65R18 | 127/123Q | 34.69" | |
| 20" | |||
| 33x12.5R20 | 119Q | 32.76" | |
| 35x12.5R20 | 121Q | 34.69" | |
| 35x12.5R20 | 125Q | 34.69" | |
| 35x13.5R20 | 121Q | 34.57" | |
| 37x12.5R20 | 126Q | 0.00" | |
| 37x12.5R20 | 126Q | 36.69" | |
| 37x13.5R20 | 127Q | 36.85" | |
| 38x13.5R20 | 123Q | 38.19" | |
| 38x15.5R20 | 128Q | 37.83" | |
| 275/65R20 | 126/122Q | 34.49" | |
| 295/55R20 | 123/119Q | 33.07" | |
| 295/60R20 | 126/122Q | 34.29" | |
| 295/65R20 | 129/126Q | 35.43" | |
| 305/55R20 | 121/118Q | 33.50" | |
| 305/55R20 | 125/121Q | 33.50" | |
| 22" | |||
| 35x12.5R22 | 117Q | 34.76" | |
| 35x12.5R22 | 121Q | 34.76" | |
| 37x13.5R22 | 123Q | 36.89" | |
| 325/50R22 | 122Q | 35.12" | |