DISCOVERER® STT PRO™ P.O.R.
The Discoverer® STT PRO™ P.O.R. is our premium tyre for the most extreme off-road applications. It is used by Xavier Foj in the Dakar Rally, one of the toughest challenges in world motorsport. Made in the USA.Show available sizes
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The tire's ability to grip the road in dry conditions.
The tire's ability to grip the road in wet conditions.
The wear rate of the tire.
The measure of how quiet a tire is while driving.
How the tire is able to respond to driving such as accelerating, braking, steering and turning.
The tire's ability to have grip on unpaved surfaces such as dirt, mud, sand, rock or gravel.
*When compared to other Cooper® tires
DISCOVERER® STT PRO™ P.O.R.
- Armor Tek3® constructionOffers added durability and resistance against punctures.
- Alternating shoulder lugsEnhance traction in muddy conditions and on soft surfaces.
- Unique hybrid 3-2 tread patternIncreases stability and reduces noise.
There are 31 tire sizes available
The tire size is made up of: Tread Width / Aspect Ratio / Rim Diameter. For example 245/50R18
The tire width is a millimetre measurement for the width of the tire. For example 245 mm when reading a tire size of 245/50R18
The aspect ratio is the percentage of the height of the sidewall compared to the tread width. For example 50% when reading a tire size of 245/50R18
The maximum load a tire can carry is defined as a ‘Load Index’. Please refer to https://www.coopertire.co.uk/tire-safety-tips/correct-loading/
The Speed Symbol is shown as a letter and indicates the maximum speed. Please refer to https://www.coopertire.co.uk/tire-safety-tips/correct-loading
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5 classes from E (least efficient) to A (most efficient)
Effect may vary among vehicles and driving conditions, but the difference between a E and an A class for a complete set of tyres could reduce fuel consumption by up to 7.5 %* and even more in case of trucks. Fuel savings and road safety depend heavily on the behavior of drivers and eco‐driving can significantly reduce fuel consumption.
5 classes from E (longest braking distances) to A (shortest braking distances)
Effect may vary among vehicles and driving conditions, but in the case of full braking, the difference between a E and an A class for a set of four identical tyres could be up to 30% shorter braking distance (e.g. for a typical passenger car driving at 80 km/h speed this could be up to 18m shorter braking distance)*. Stopping distances must always be respected.”
In addition to the noise value in Decibel dB(A) a letter (from A to C) displays whether the tyre external rolling noise performance is above the United Nation Reg 117 mandatory limit value
(Class C = noisier tyre), the tyre noise is higher than the UN limit
(Class B = average tyre) or more than 3 dB below the limit value
(Class A = low noise tyre).
NB: The tyre external rolling noise is not entirely correlated to vehicle interior noise.
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|LT35/12.50 R 22||35||12.50||117||Q||99||Black Sidewall||N/A||N/A||N/A||N/A|
|LT305/55 R 20||305||55||121||Q||99||Black Sidewall||N/A||N/A||N/A||N/A|
|LT295/65 R 20||295||65||129||K||68||Black Sidewall||N/A||N/A||N/A||N/A|
|LT275/65 R 20||275||65||121||Q||99||Black Sidewall||N/A||N/A||N/A||N/A|
|LT35/12.50 R 20||35||12.50||121||Q||99||Black Sidewall||N/A||N/A||N/A||N/A|
|LT305/60 R 18||305||60||121||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT305/70 R 18||305||70||126||K||68||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT275/65 R 18||275||65||123||K||68||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT275/70 R 18||275||70||125||K||68||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT37/13.50 R 18||37||13.50||124||K||68||Black Sidewall||N/A||N/A||N/A||N/A|
|LT315/70 R 17||315||70||121||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT305/65 R 17||305||65||121||Q||99||Black Sidewall||N/A||N/A||N/A||N/A|
|LT295/70 R 17||295||70||121||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT285/70 R 17||285||70||121||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT265/70 R 17||265||70||121||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT255/75 R 17||255||75||111||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT40/13.50 R 17||40||13.50||121||Q||99||Black Sidewall||N/A||N/A||N/A||N/A|
|LT37/12.50 R 17||37||12.50||124||K||68||Black Sidewall||N/A||N/A||N/A||N/A|
|LT37/13.50 R 17||37||13.50||121||Q||99||Black Sidewall||N/A||N/A||N/A||N/A|
|LT315/75 R 16||315||75||127||K||68||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT305/70 R 16||305||70||124||K||68||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT285/75 R 16||285||75||126||K||68||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT265/75 R 16||265||75||123||K||68||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT245/75 R 16||245||75||120||Q||99||Black Sidewall||N/A||N/A||N/A||N/A|
|LT235/85 R 16||235||85||120||Q||99||Black Sidewall||N/A||N/A||N/A||N/A|
|LT215/85 R 16||215||85||115||Q||99||Black Sidewall||N/A||N/A||N/A||N/A|
|LT35/12.50 R 15||35||12.50||113||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT33/12.50 R 15||33||12.50||108||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT32/11.50 R 15||32||11.50||113||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT31/10.50 R 15||31||10.50||109||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
|LT30/9.50 R 15||30||9.50||104||Q||99||Raised White Lettering||N/A||N/A||N/A||N/A|
Tire careSpeak to an expert
Keep an eye out for potential problems that might affect your tires.
What is the EU label on a tire and can I use it?
Driving on any tire that does not have the correct inflation pressure is dangerous.
How to get the most out of your tires.