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Cooper Discoverer STT PRO

Discoverer STT PRO
Off Road/Mud Terrain

The Cooper Discoverer STT PRO includes a distinct tread design and advanced rubber compound to create a tire that provides remarkable traction and performance. The Discoverer STT PRO uses a "flex groove" and alternating 3-2 tread pattern design to decrease road noise and increase handling while enhancing off-road performance.
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Cooper Discoverer STT PRO Tire Specs Chart

Size Diameter Width Rim
Range
Measured
Rim
Tread
Depth
Load
Range
Max
Load
Max
psi
Weight Revs/Mile
LT 30X9.50R15
104Q C RWL
29.57" 9.6" 6.5-8.5" 7.5" 19/32" C 1985 lbs 50 psi 44 lbs 703 Show Specs
LT 31X10.50R15
109Q C RWL
30.75" 10.7" 7-9" 8.5" 20/32" C 2270 lbs 50 psi 48 lbs 676 Show Specs
LT 32X11.50R15
113Q C RWL
31.57" 11.7" 8-10" 9" 20/32" C 2535 lbs 50 psi 53 lbs 659 Show Specs
LT 33X12.50R15
108Q C RWL
32.72" 12.2" 8.5-11" 10" 21/32" C 2205 lbs 35 psi 60 lbs 635 Show Specs
LT 35X12.50R15
113Q C RWL
34.57" 13.1" 8.5-11" 10" 21/32" C 2535 lbs 35 psi 67 lbs 601 Show Specs
LT 215/85R16
115/112Q E BSW
30.59" 8.5" 5.5-7" 6" 18.5/32" E 2680 lbs 80 psi 42 lbs 679 Show Specs
LT 225/75R16
115/112Q E BSW
29.49" 8.9" 6-7" 6" 18/32" E 2680 lbs 80 psi 43 lbs 705 Show Specs
LT 235/85R16
120/116Q E BSW
31.89" 9.6" 6-7.5" 6.5" 18/32" E 3086/2756 lbs 80 psi 49 lbs 652 Show Specs
LT 245/75R16
120/116Q E BSW
30.71" 9.6" 6.5-8" 7" 18/32" E 3086/2756 lbs 80 psi 47 lbs 677 Show Specs
LT 265/75R16
123/120Q E RWL
31.89" 10.7" 7-8" 7.5" 18.5/32" E 3415 lbs 80 psi 54 lbs 652 Show Specs
LT 285/75R16
126/123Q E RWL
33" 11.2" 7.5-9" 8" 19/32" E 3750 lbs 80 psi 61 lbs 630 Show Specs
LT 305/70R16
124/121Q E RWL
32.99" 12.3" 8-9.5" 9" 19.5/32" E 3525 lbs 65 psi 62 lbs 630 Show Specs
LT 315/75R16
127/124Q E RWL
34.53" 12.6" 8-11" 8.5" 20.5/32" E 3860 lbs 65 psi 69 lbs 602 Show Specs
LT 255/75R17
111/108Q C RWL
31.89" 10.3" 6.5-8.5" 7" 19/32" C 2405 lbs 50 psi 51 lbs 652 Show Specs
LT 265/70R17
121/118Q E RWL
31.93" 10.7" 7-8.5" 8" 18.5/32" E 3195 lbs 80 psi 55 lbs 651 Show Specs
LT 285/70R17
121/118Q E RWL
33.03" 11.5" 7.5-9" 8.5" 19/32" E 3195 lbs 80 psi 62 lbs 629 Show Specs
LT 295/70R17
121/118Q E RWL
33.46" 12" 7.5-10" 8.5" 21/32" E 3195 lbs 80 psi 66 lbs 621 Show Specs
LT 305/65R17
121/118Q E BSW
32.68" 12.3" 8.5-11" 9" 21/32" E 3195 lbs 65 psi 64 lbs 636 Show Specs
LT 315/70R17
121/118Q E RWL
34.57" 12.6" 8-11" 9.5" 21/32" E 3195 lbs 65 psi 66 lbs 601 Show Specs
LT 35X12.50R17
121Q E RWL
34.57" 12.6" 8.5-11" 10" 21/32" E 3195 lbs 65 psi 68 lbs 601 Show Specs
LT 37X12.50R17
124Q D BSW
36.77" 13" 8.5-11" 10" 22/32" D 3525 lbs 50 psi 75 lbs 565 Show Specs
LT 37X13.50R17
121Q E BSW
36.77" 13.3" 8.5-11" 11" 22/32" E 3195 lbs 65 psi 81 lbs 565 Show Specs
LT 40X13.50R17
121Q C BSW
39.76" 13.6" 8.5-11" 11" 22/32" C 3195 lbs 35 psi 90 lbs 523 Show Specs
LT 275/65R18
123/120Q E RWL
32.28" 10.9" 7.5-9" 8" 19/32" E 3415 lbs 80 psi 59 lbs 644 Show Specs
LT 275/70R18
125/122P E RWL
33.31" 11.3" 7-8.5" 8" 20/32" E 3640 lbs 80 psi 63 lbs 624 Show Specs
LT 285/65R18
125/122Q E RWL
32.91" 11.8" 8-10" 8.5" 19/32" E 3640 lbs 80 psi 63 lbs 632 Show Specs
LT 295/70R18
129/126P E RWL
34.49" 12" 7.5-10" 8.5" 21/32" E 4080 lbs 80 psi 69 lbs 603 Show Specs
LT 305/60R18
126/123Q F RWL
32.68" 12" 8.5-11" 9" 21/32" F 3750/3415 lbs 80 psi 66 lbs 634 Show Specs
LT 305/60R18
121/118Q E RWL
32.68" 12" 8.5-11" 9" 21/32" E 3195 lbs 65 psi 65 lbs 636 Show Specs
LT 305/70R18
126/123Q E RWL
35.08" 12.4" 8.5-10" 9" 21/32" E 3750 lbs 65 psi 71 lbs 592 Show Specs
LT 325/65R18
127/124Q E RWL
34.69" 13.7" 9-12" 9.5" 21/32" E 3860/3525 lbs 65 psi 77 lbs 598 Show Specs
LT 35X12.50R18
118Q D BSW
34.61" 12.7" 8.5-11" 10" 21/32" D 2910 lbs 50 psi 70 lbs 601 Show Specs
LT 37X13.50R18
124Q D BSW
36.77" 13.3" 8.5-11" 11" 22/32" D 3525 lbs 50 psi 82 lbs 565 Show Specs
LT 38X15.50R18
128Q D BSW
37.87" 15.4" 11-13" 12" 21/32" D 3970 lbs 50 psi 89 lbs 547 Show Specs
LT 275/65R20
126/123Q E BSW
34.5" 10.9" 7.5-9.5" 8" 19/32" E 3750 lbs 80 psi 63 lbs 603 Show Specs
LT 295/55R20
123/120Q E BSW
33.07" 12.3" 8-10" 9.5" 20/32" E 3415 lbs 80 psi 65 lbs 629 Show Specs
LT 295/60R20
126/123Q E BSW
34.29" 11.5" 8-10" 8.5" 19.5/32" E 3750 lbs 80 psi 66 lbs 606 Show Specs
LT 295/65R20
129/126Q E BSW
35.43" 11.7" 8-10" 8.5" 19.5/32" E 4080 lbs 80 psi 69 lbs 586 Show Specs
LT 305/55R20
125/122Q F BSW
33.5" 12.4" 8.5-11" 9.5" 20.5/32" F 3640/3305 lbs 80 psi 68 lbs 620 Show Specs
LT 305/55R20
121/118Q E BSW
33.5" 12.4" 8.5-11" 9.5" 20.5/32" E 3195/2910 lbs 65 psi 69 lbs 620 Show Specs
LT 33X12.50R20
119Q F BSW
32.75" NA 8.5-11" 10" 20/32" F 2998 lbs 80 psi 66 lbs 635 Show Specs
LT 35X12.50R20
125Q F BSW
34.69" 12.4" 8.5-11" 10" 21/32" F 3640 lbs 80 psi 71 lbs 599 Show Specs
LT 35X12.50R20
121Q E BSW
34.69" 12.4" 8.5-11" 10" 21/32" E 3195 lbs 65 psi 69 lbs 599 Show Specs
LT 35X13.50R20
121Q E BSW
34.57" 13.2" 8.5-11" 11" 21/32" E 3195 lbs 65 psi 76 lbs 600 Show Specs
LT 37X12.50R20
126Q E BSW
36.69" 12.6" 8.5-11" 10" 21/32" E 3750 lbs 65 psi 77 lbs 566 Show Specs
LT 37X13.50R20
127Q E BSW
36.85" 13.3" 8.5-11" 11" 21/32" E 3860 lbs 65 psi 83 lbs 564 Show Specs
LT 38X13.50R20
123Q D BSW
38.2" 13.6" 9.5-12" 11" 21/32" D 3415 lbs 50 psi 84 lbs 544 Show Specs
LT 38X15.50R20
128Q E BSW
37.83" 15.4" 11-13" 12" 21/32" E 3968 lbs 65 psi 94 lbs 548 Show Specs
LT 325/50R22
122Q E BSW
35.12" 12.9" 9-12" 10" 21/32" E 3305 lbs 65 psi 77 lbs 592 Show Specs
LT 35X12.50R22
117Q E BSW
34.76" 12.3" 8.5-11" 10" 21/32" E 2835 lbs 65 psi 72 lbs 598 Show Specs
LT 35X12.50R22
121Q F BSW
34.76" 12.3" 8.5-11" 10" 21/32" F 3195 lbs 80 psi 74 lbs 598 Show Specs
LT 37X13.50R22
123Q E BSW
36.9" 13.4" 8.5-11" 11" 21/32" E 3415 lbs 65 psi 82 lbs 563 Show Specs
Tire Reviews [+]
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Dodo's Review
Performance : 9/10
Appearance : 10/10
Noise : 8/10
Comfort : 8/10
Price : Seems Right
Recommend : Yes
Comments : Rumble and tumble boys, these kick ass tires have your back! From the hard work of pulling someone out of a ditch, to playtime in the overland, Cooper Discoverer STT PRO's have your traction and are built for the job.
Mykul403's Review
Performance : 10/10
Appearance : 10/10
Noise : 7/10
Comfort : 10/10
Price : Good Deal
Recommend : Yes
Comments : Ive had these for a few weeks, they sound like a swarm of angry Bees, but its tolerable. Ive taken them off-roading twice, took everything I could throw at them, chewed it up and spat it out!If I may, Ill post again early spring with how they do in Albertan winter.
HannaK's Review
Performance : 10/10
Appearance : 9/10
Noise : 9/10
Comfort : 9/10
Price : Over Priced
Recommend : Yes
Comments : Very quiet and handles the road excellent for a mud tire. Also has a more aggressive look in person than in pictures. Would buy again.
inferno's Review
Performance : 5/10
Appearance : 5/10
Noise : 4/10
Comfort : 5/10
Price : Seems Right
Recommend : Yes
Comments : So far I've put 20,000 miles on mine rotate every oil change 5,000 miles. I'm running about 36psi when cold when tires warm up it's about 38psi to 39psi and on a hot day 40 psi to 41 psi my best mpg have been 21mpg with this tire size and psi
Tommy's Review
Performance : 8/10
Appearance : 10/10
Noise : 6/10
Comfort : 8/10
Price : Great Deal
Recommend : Yes
Comments : Great looking tire and the road noise isn't bad at all. Off road it runs like a champ and driving in the rain hasn't been an issue either...great tire for the money!
Anonymous Review
Performance : 9/10
Appearance : 10/10
Noise : 6/10
Comfort : 7/10
Price : Seems Right
Recommend : Yes
Comments : Great tire looks good but white letters are starting to fade kinda bummed about that have put 2 k kms on showing no signes of wear at all great traction in mud sand gravel have done some hill climbs in northern Ontario and hit some mud hopes too 210 HP v6 4.0 sohc with air intake 3.55 gears and true duel exhaust with glass packs turns then in4wd high but getting 4.10's

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