The Discoverer® ATT is a 60 percent on-road, 40 percent off-road tyre, suitable for fitment to a wide range of CUVs and SUVs.
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Dry performance
The tire's ability to grip the road in dry conditions.
Wet performance
The tire's ability to grip the road in wet conditions.
Tread wear
The wear rate of the tire.
Quiet ride
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.
Off road
The tire's ability to have grip on unpaved surfaces such as dirt, mud, sand, rock or gravel.
*When compared to other Cooper® tires


  1. Whisper Grooves™
    Provide a sound barrier to help inhibit tire noise from entering the vehicle cabin, creating a quieter ride.
  2. Stone ejectors
    Easily eject stones and gravel, protecting against stone drilling into the carcass and maintaining a clean tread for rough road traction.
  3. EU grade C-label for wet grip
    More than 70% of the sizes in the range have a green label for rolling resistance.
Full specs

Tire specifications

There are 17 tire sizes available
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Tire size
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
Aspect ratio
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/
Speed rating
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
Max speed
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Roll resistance
Rolling Resistance is the main key factor in measuring the energy efficiency of a tire and has direct influence on the fuel consumption of a vehicle. A set of tires of the green class “A” compared to a “G” class can reduce fuel consumption by 7.5% of a passenger car; even more for trucks.
Wet grip
Basis for wet grip is the absolute stopping distance when driving 80km per hour. Between each class, there are 3-6 metres difference in braking distance.
Noise level
The drive by noise is quoted as an absolute value in decibel and as a 3 classes sound wave symbol.
EU label
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255/55R1925555111H210Black SidewallDE72
265/60R182656114H210Black SidewallDE72
255/55R1825555109H210Black SidewallCC72
245/60R182456109H210Black SidewallDE72
235/55R1823555104H210Black SidewallCC72
225/55R1822555102H210Black SidewallCC72
265/65R1726565116H210Black SidewallN/AN/AN/AN/A
235/60R172356106H210Black SidewallCC72
225/60R172256103H210Black SidewallCC72
225/55R1722555101H210Black SidewallDC72
225/65R1722565106H210Black SidewallCC72
215/60R172156100H210Black SidewallDC72
215/55R172155598H210Black SidewallDC72
265/70R162657116T190Black SidewallCC73
245/70R162457111H210Black SidewallCC72
235/60R162356104H210Black SidewallCC72
215/65R1621565102H210Black SidewallDC72
Tire care

Tire care

Tire inspection
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.
Tire safety tips
How to get the most out of your tires.
Speak to an expert