Kumho
Kumho Ecsta PS91 PS91 99Y XL
255
40
R18
Fuel efficiency
Fuel efficiency is important to reduce both CO2 emissions and the cost of driving. The difference between each category means a reduction or increase in fuel consumption of 3-4%.Wet grip/Breaking performance
Wet grip is a critical safety feature. Tyres are rated A - E; A being the shortest braking distances in the wet. The difference in category can mean an extra car length (3-6 meters) on the stopping distance.Noise emission/Exterior noise
There are three ratings for noise: A, B and C.A produces the least external noise levels, whilst C produces the highest.
ECSTA PS91 - Super UHP tire developed for high-performance sports cars. The exclusive ECSTA sport range is specifically designed to provide precise steering response and incredible performance at high speeds. All tires in this range have the highest speed rating Y = high durability and performance at speeds over 300km/h. The PS91 uses heat release technology to prevent tire overheating and increase durability at high speeds. Thanks to the wide construction of the center rib and ribs, you have immediate steering response. The PS91 uses a highly functional compound - technology adopted from tire production for Formula, which optimizes grip and maximizes durability at high speeds. The racing flag on the tire pattern is a typical feature of the Ecsta PS91 pattern.
The most important features and characteristics:
- High durability and performance at speeds exceeding 300km/h.
- Improved rim protection.
- Stability at high speeds.
- High driving comfort.
- Excellent braking properties.
| Width | 255 |
| Profile | 40 |
| Diameter | R18 |
| Season | Summer tires |
| Weight index | 99 (775kg) |
| Speed index | Y |
| Adhesiveness | A |
| Fuel consumption | D |
| Noisiness - type | B |
| Noisiness | 72 |
| Weight | 11.77 |
| Type | Personal/SUV tires |
| EPREL | 440044 |
| DOT | 2023 |
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