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Cooper Discoverer STT PRO - 38X13.50R20

Discoverer STT PRO 38X13.50R20 Tire Specs

Size Diameter Width Rim
Weight Sidewall
123Q D BSW
38.2" 13.6" 9.5-12" 11" 21/32" D - 8 ply 3415 lbs 50 psi 99 mph 84 lbs Black 544 Show Specs
Cooper Discoverer STT PRO 38X13.50R20
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Discoverer STT PRO
Off Road/Mud Terrain
Size: 38X13.50R20
Read Reviews(4)
Where's the Price?
(Last Checked 1/22/20)

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.

The 38X13.50R20 Cooper Discoverer STT PRO has a diameter of 38.2", a width of 13.6", mounts on a 20" rim and has 544 revolutions per mile. It weighs 84 lbs, has a max load of 3415 lbs, a maximum air pressure of 50 psi, a tread depth of 21/32" and should be used on a rim width of 9.5-12".

See all Discoverer STT PRO tire sizes Tire Reviews [+]
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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!
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
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.
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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