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Comparison Bridgestone Alenza 001 235/60 R16 100H vs Bridgestone Ecopia EP850 235/60 R16 100H

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Bridgestone Alenza 001 235/60 R16 100H
Bridgestone Ecopia EP850 235/60 R16 100H
Bridgestone Alenza 001 235/60 R16 100HBridgestone Ecopia EP850 235/60 R16 100H
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Seasonsummersummer
Product Typepassenger car / SUVpassenger car / SUV
Width235 mm235 mm
Aspect ratio60 %60 %
Tyre inner diameter16 "16 "
Load index100100
Speed ratingHH
Orientationnon-directionalnon-directional
Pattern Symmetryasymmetricsymmetric
Fuel efficiencyDD
Wet GripBC
Noise Level71 dB71 dB
Wear resistance (Treadwear)300
Added to E-Catalogjanuary 2018march 2014

Wet Grip

An index that determines the overall performance of a tyre on wet pavement. Lettered from A(highest) to G(lowest); intermediate options, respectively — B, C, D, E and F.

The higher this indicator, the stronger the tyre grips to the wet road, the more efficient and safer it will be in difficult weather conditions. At the same time, it is worth noting that a low grip index does not mean unsuitability for driving in rain or snow — you just need to be more careful using such tyres. Conversely, a high index does not relieve the driver of the need to be careful in difficult weather conditions.

Wear resistance (Treadwear)

Tyre wear resistance rate according to the Treadwear standard issued by the US National Highway Traffic Safety Administration.

This rate indicates how far the tyre is able to travel until the tread reaches a critical level of wear. Treadwear is indicated in conditional points; formally, every 100 points correspond to 48,000 km (30,000 miles). However, it should be noted that testing according to this standard is carried out under perfect conditions — on flat roads, without numerous sharp accelerations and brakings, at a stable temperature, etc. Therefore, real wear resistance, usually, is lower by at least 20 – 30 %; and for a full guarantee, the claimed indicator is generally recommended to be divided by two. For example, formally the value of Treadwear 240 corresponds to a mileage of 48 × 2.4=115.2K km — however, in fact it is hardly worth counting on more than 90K km, and it is best to keep on the value of 55 – 58K km.

Generally, Treadwear ratings up to 250 are considered fairly low, 251 – 300 are considered average, 301 – 350 are above average, and over 350 is typical for the most durable tyre models. Note that this characteristic is given mainly for summer, less often — all-weather tyres; winter tyres should be quite soft, which makes it difficult to achieve more or less worthy wear resistance rating.