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Comparison Yokohama Geolandar A/T G015 225/65 R17 102H vs Yokohama Geolandar G91A 225/65 R17 101H

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Yokohama Geolandar A/T G015 225/65 R17 102H
Yokohama Geolandar G91A 225/65 R17 101H
Yokohama Geolandar A/T G015 225/65 R17 102HYokohama Geolandar G91A 225/65 R17 101H
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from $113.40 up to $124.20
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Seasonall seasonall season
Product Typeoff-roadpassenger car / SUV
Suitable forall-terrain
Width225 mm225 mm
Aspect ratio65 %65 %
Tyre inner diameter17 "17 "
Load index102101
Speed ratingHH
Orientationnon-directionalnon-directional
Pattern Symmetrysymmetricsymmetric
Fuel efficiencyE
Wet GripC
Noise Level70 dB
Wear resistance (Treadwear)280
Added to E-Catalogjanuary 2017april 2014

Product Type

The type of tyre is the type of vehicle for which it is designed.

This parameter is determined mainly by the height of the profile in centimeters, and in some cases by the size and load index. In general, there are three main types of tyres - for cars and SUVs, for SUVs and vans. Here is a more detailed description of each option.

— Passenger car. Tires with a relatively low profile height for a wide range of passenger cars, aimed primarily at smooth roads and more or less favorable operating conditions. Among such products of the tire automobile industry you can find both rubber exclusively for passenger vehicles and tires for SUVs (SUVs, crossovers, city SUVs). SUV tires differ from their traditional passenger counterparts by increased radius and profile height, reinforced internal structure, as well as increased load indices.

— Off-road. SUVs are designed for more difficult conditions than regular cars; they often have to deal with difficult terrain or some high unevenness. Therefore, tires of this type have a significant profile height - more than 14 cm. It is worth considering that such tires can have different specializations - both all-terrain and off-road; For more details, see “Purpose”.

— Minibuses. Tyres designed for relatively heavy vehicles – minibuses and mini trucks. Such vehicles still does not reach the full-fledged f...reight transport, however, they have more weight than passenger cars. Accordingly, tyres for such vehicles has a high load index.

Suitable for

This parameter is indicated for models that are designed for a specific format of operation and differ markedly from conventional tyres for "everyday" use. In our time, there are such destinations: sports track tyres(namely, semi-slicks and slicks for track days and training on race tracks); off-road tyres - all- terrain (All-Terrain) and off-road (Mud-Terrain). Here is a detailed description of each of these options:

— Sports track. A special kind of "high-speed" tyres with a reduced tread depth. More precisely, this feature is characteristic of semi-slicks; in slicks, there is no pattern at all, the surface of such a tyre is completely smooth. This provides excellent speed performance. On the other hand, slicks and semi-slicks are intended mainly for specialized racing tracks with high quality even surfaces; the use of such tyres on ordinary roads is at least not recommended, and for some models it is completely prohibited.

- All-terrain (All-Terrain). Universal all-terrain tyres, designed mainly for dirt roads and off-road, but quite effective on even asphalt. They are inferior to off-road ones (see below) in terms of efficiency on rough terrain, but they behave better on hard surfaces. So it is precisely such rubber that will be the best choice for tech who, in addition to difficult terrain, often have to travel on ordinary roads. Externally, tyres o...f this purpose are characterized primarily by a rather deep tread and high profile.

- Off-road (Mud-Terrain). Tyres designed for maximum cross-country ability and efficiency on rough terrain, including complete off-road. According to these indicators, such tyres are noticeably superior to all-terrain tyres (see above); outwardly, it is distinguished by a very deep tread and a high profile height (in most models - 60% and above). But for regular driving on asphalt, tyres of this purpose are poorly suited. Therefore, paying attention to off-road tyres makes sense, first of all, to tech who have to drive on dirt roads and off-road most of the time.

Load index

The maximum weight load that the tyre is able to carry. It is denoted by a conditional figure, each of which corresponds to a certain value:

66 - 300 kg, 67 - 307 kg, 68 - 315 kg, 69 - 325 kg, 70 - 335 kg, 71 - 345 kg, 72 - 355 kg, 73 - 365 kg, 74 - 375 kg, 75 - 387 kg, 76 - 400 kg, 77 - 412 kg, 78 - 425 kg, 79 - 437 kg, 80 - 450 kg, 81 - 462 kg, 82 - 475 kg, 83 - 487 kg, 84 - 500 kg, 85 - 515 kg, 86 - 530 kg, 87 - 545 kg, 88 - 560 kg, 89 - 580 kg, 90 - 600 kg, 91 - 615 kg, 92 - 630 kg, 93 - 650 kg, 94 - 670 kg, 95 - 690 kg, 96 - 710 kg, 97 - 730 kg, 98 - 750 kg, 99 - 775 kg, 100 - 800 kg, 101 - 825 kg, 102 - 850 kg, 103 - 875 kg, 104 - 900 kg, 105 - 925 kg, 106 - 950 kg, 107 - 975 kg, 108 - 1000 kg, 109 - 1030 kg, 110 - 1060 kg, 111 - 1090 kg, 112 - 1120 kg, 113 - 1150 kg, 114 - 1180 kg, 115 - 1215 kg, 116 - 1250 kg, 117 - 1285 kg, 118 - 1320 kg, 119 - 1360 kg, 120 - 1400 kg, 121 - 1450 kg, 122 - 1500 kg, 123 - 1550 kg, 124 - 1600 kg, 125 - 1650 kg, 126 - 1700 kg, 127 - 1750 kg, 128 - 1800 kg, 129 - 1850 kg, 130 - 1900 kg, 131 - 1950 kg, 133 - 2060 kg.

While choosing according to this indicator, it is worth considering not only the maximum weight of the car for which tyres are going to buy, but also the distribution of weight along the axles. With passenger cars, everything is simple — the weight is distributed approximately equally, so to determine the load on each wheel, it is enough to divide the maximum mass of the car by 4 (the number of wheels). H...owever, in minibuses, light trucks and SUVs, the situation is different: the weight distribution can be unequal, so you should refer to the manufacturer's documents or other special sources to calculate the load on each wheel.

Anyway, the load index must not be exceeded — this creates the danger of an accident. In fact, the wheel load should be at least 10 – 15% below the maximum, this will give an additional guarantee in case of abnormal loads. Also note that in some high-speed tyres, with the speed maximum approaching, the permissible load decreases: for example, for tyres with the V index (see "Speed rating") with speed over 210 km/h, it is recommended to reduce the load by 3% for every next 10 km/h increase in speed, similar recommendations apply to models with indexes W and Y. These details are usually described in the manufacturer's documentation and other special sources.

Fuel efficiency

The rolling resistance rating that the tyre corresponds to. The higher this figure, the lower the resistance, the less fuel is spent to overcome it and the more economical the tyre is. Efficiency indices are denoted by letters of the Latin alphabet in descending order of efficiency: A(highest efficiency), B, C, D, E, F, G(lowest efficiency).

With other things being equal, more economical tyres tend to cost more, but the difference is offset by fuel economy.

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.

Noise Level

The average noise level created by a tyre while driving. The lower this indicator, the more comfortable this model will be, the less additional noise it will create.

Note that EU rules provide 3 categories of tyres in terms of noise. “Quiet” are considered models with an index of up to 68 dB, “medium” — 68 – 71 dB, “loud” — 72 dB and above.

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.
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