N/A 30

Kumho WinterCraft Wi51

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Popularity of the model 30:
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Value, average: 27

Key Facts

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Kumho WinterCraft Wi51

Manufacturer's description

Wintercraft Wi51 is a tire designed to perform at the highest level in icy and snowy conditions. Features include an optimized directional pattern for PCR and a new tread wear indicator inspired by sandglass, making it easy to confirm the level of tire wear. The tire also has a micro knurling structure reminiscent of a lizard’s footprint applied to the tread block in order to maximize ground adhesion. The rim design, which references ice crystals, absorbs tire noise and expresses the product’s unique identity

Notable Features

Kumho WinterCraft Wi51 is a passenger-car friction winter tire, which, as the manufacturer claims, “deliver the best performance on snow and ice”. Its key feature is confident behavior on winter roads, including high braking efficiency combined with precise handling response on snow and on wet pavement. The Kumho WinterCraft Ice Wi51 model appeared in the European range of this Korean tire maker in 2020. Its engineers applied a few innovations that served to improve the tire’s winter performance. For example, the increased rigidity of the central rib, taking on the weight of the passenger car, enhanced the driving stability at highway speeds. The new design of the central section of the tire served to enlarge the contact patch which in turn lead to an increase in the Kumho WinterCraft Wi51 performance by 5% on snow and by 8% on ice. The sipe arrangement in the central section at a 40-45° angle improved the tire’s braking performance on snow. The tilting angle of the drainage grooves was specially designed to speed up evacuation of water and melting snow from the contact area. The WinterCraft Ice Wi51 maneuverability on snow is further ensured by the software-optimized sequence of intervals between the tread blocks and the wave-shaped lamellas. The unique tread wear indicator has a shape inspired by sandglass, making it easy to confirm the level of tire wear. The tire also has a micro knurling structure reminiscent of a lizard’s footprint applied to the tread block in order to maximize ground adhesion. The rim design, which references ice crystals, absorbs tire noise and not only expresses the unique identity of the Kumho Wi51 model, but also a few know-hows from the manufacturer, which guarantee extra-low cabin noise. As for the tread compound, the technologists reinforced it with Aramid fibers, which in their opinion is meant to strengthen the Kumho WinterCraft Ice Wi51 grip on ice and snow; they also added fine-grained silica to it for extra wet traction and higher resistance to wear. The Kumho WinterCraft Wi51 sidewall design is inspired by sand crystals and iceberg motifs, meant to highlight the model’s focus on ice and snow performance. The presale in-company tests showed that in comparison to the previous-generation Kumho tires the new WinterCraft Wi51 Ice model in the size 205/55 R Ice is 12% better in terms of snow handling, 8% better in terms of ice handling, and 3% better in terms of handling on wet pavement. As for the braking efficiency, on snow it was improved by 4%, while on wet pavement it remained unchanged. The manufacturer did not disclose any data on shortening the stopping distance on ice.

The word “Ice” is used by the tire maker in the name of this model only occasionally, as if the company made a last-minute decision to get rid of it before the release of the tire. As the Kumho company specified, both spelling versions are correct.

Detailed Information

Type and Size
Tire Model
Kumho / WinterCraft Wi51
Car Type
Rim Diameter
14 / 15 / 16 / 17 "
155 / 165 / 175 / 185 / 195 / 205 / 215 / 225 / 235 mm
Aspect Ratio
40 / 45 / 50 / 55 / 60 / 65 / 70 %
Special Features
Mud and Snow
Extra Load
Speed and Load
Speed Index
H (max 130 mph) ... V (max 149 mph)
Load Index (max load for a tire)

Kumho / WinterCraft Wi51 Sizes & Specifications

Rim Model Size Index Features Load range Max inflation pressure Tire weight Overall diameter Sidewall styling Approved rim width Measured rim width Overall width Tread depth Utqg Revs per mile Tread width Static loaded radius Price
R14 165/65 R14 79T 165/65 R14 79T
R14 165/70 R14 81T 165/70 R14 81T
R14 175/65 R14 82T 175/65 R14 82T
R14 185/60 R14 82T 185/60 R14 82T
R14 185/65 R14 86T 185/65 R14 86T
R15 155/60 R15 74T 155/60 R15 74T
R15 165/65 R15 81T 165/65 R15 81T
R15 175/50 R15 75H 175/50 R15 75H
R15 175/55 R15 77T 175/55 R15 77T
R15 175/65 R15 84T 175/65 R15 84T
R15 185/55 R15 86H 185/55 R15 86H
R15 185/60 R15 88T 185/60 R15 88T
R15 185/65 R15 88H 185/65 R15 88H
R15 185/65 R15 88T 185/65 R15 88T
R15 195/50 R15 82H 195/50 R15 82H
R15 195/55 R15 85H 195/55 R15 85H
R15 195/60 R15 88H 195/60 R15 88H
R15 195/60 R15 88T 195/60 R15 88T
R15 195/65 R15 91H 195/65 R15 91H
R15 195/65 R15 91T 195/65 R15 91T
R15 195/65 R15 95T 195/65 R15 95T
R15 205/60 R15 91H 205/60 R15 91H
R15 205/65 R15 94H 205/65 R15 94H
R15 205/65 R15 94T 205/65 R15 94T
R15 215/65 R15 96H 215/65 R15 96H
R16 185/50 R16 81H 185/50 R16 81H
R16 185/55 R16 83H 185/55 R16 83H
R16 195/45 R16 84H 195/45 R16 84H
R16 195/50 R16 88H XL 195/50 R16 88H XL XL
R16 195/55 R16 87H 195/55 R16 87H
R16 195/60 R16 89H 195/60 R16 89H
R16 205/45 R16 87H 205/45 R16 87H
R16 205/50 R16 87H 205/50 R16 87H
R16 205/55 R16 91H 205/55 R16 91H
R16 205/55 R16 91T 205/55 R16 91T
R16 205/55 R16 91V 205/55 R16 91V
R16 205/60 R16 96H 205/60 R16 96H
R16 215/45 R16 90V 215/45 R16 90V
R16 215/55 R16 97H 215/55 R16 97H
R16 215/60 R16 99H 215/60 R16 99H
R16 215/65 R16 98H 215/65 R16 98H
R16 225/60 R16 102V 225/60 R16 102V
R16 235/60 R16 100H 235/60 R16 100H
R17 215/40 R17 87V 215/40 R17 87V
R17 225/60 R17 99H 225/60 R17 99H

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