Three-peak mountain snowflake
Auto Express All Season Tyre Test 2020


The Discoverer® All Season is designed to deliver reliable traction in unpredictable weather all year round.
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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. Advanced construction and durable compounds
    Deliver impressive wear results and an even footprint.
  2. Lateral 3D siping and grooves
    Excellent water evacuation and wet braking – attaining an EU grade B label in this category.
  3. The latest all-season silica and resin technology
    Generates tire grip over a wide temperature range.
Full specs

Tire specifications

There are 45 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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255/45 R 20 XL25545105W270CB71
255/50 R 19 XL25550107W270CB71
255/55 R 19 XL25555111W270BB71
235/55 R 19 XL23555105W270DB70
225/55 R 192255599V240CB70
235/50 R 18 XL23550101V240CB70
235/55 R 18 XL23555104V240CB70
235/60 R 18 XL23560107V240CB70
225/40 R 18 XL2254092Y300DB70
225/55 R 18 XL22555102V240CB70
225/60 R 18 XL22560104V240CB70
215/50 R 182155092W270DB70
215/55 R 18 XL2155599V240CB70
235/55 R 17 XL23555103V240CB70
235/65 R 17 XL23565108V240CB70
225/45 R 17 XL2254594W270DB70
225/50 R 17 XL2255098V240CB70
225/55 R 17 XL22555101W270CB70
225/60 R 17 XL22560103V240CB70
225/65 R 17 XL22565106V240CB70
215/50 R 17 XL2155095W270CB70
215/55 R 17 XL2155598W270CB70
215/60 R 17 XL21560100H210CB70
215/65 R 172156599V240DB70
205/45 R 17 XL2054588V240DB70
205/50 R 17 XL2055093W270DB70
205/55 R 17 XL2055595V240CB70
215/55 R 16 XL2155597V240CB70
215/60 R 16 XL2156099V240CB70
215/65 R 16 XL21565102V240CB70
205/55 R 16 XL2055594V240CB70
205/55 R 162055591V240DB70
205/60 R 16 XL2056096V240CB70
195/55 R 16 XL1955591H210CB70
195/50 R 151955082H210DB70
195/60 R 151956088H210DB70
195/65 R 15 XL1956595H210CB70
195/65 R 151956591H210DB70
185/55 R 15 XL1855586H210DB69
185/60 R 15 XL1856088V240DB69
185/60 R 15 XL1856088H210DB69
185/65 R 15 XL1856592T190CB69
175/65 R 151756584H210DB69
185/60 R 141856082H210DB69
175/65 R 14 XL1756586H210DB69
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