Description
The Kumho ECSTA PS91 is an ultra-high-performance summer tire designed for supercars and high-performance saloons, prioritizing dry grip and high-speed stability. It features a racing-inspired tread and compound, with a wide shoulder and central rib for immediate handling response. Key technologies include a C-Cut 3D block design for stiffness, a 3D dimple pattern to reduce heat, and nylon reinforcement plies for durability, with available sizes from 18 to 20 inches and a high speed rating.
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Performance and technology
- High-speed performance:Engineered for stability and durability at speeds over300300
300
km/h, with a Y speed rating.Â
- Dry grip:Provides excellent dry traction and cornering due to its wide shoulder and stiff central rib, which also enhances handling response.Â
- Tread and compound:The tread compound was developed using motorsport technology to maximize grip and high-speed durability. The C-Cut 3D design improves block stiffness for better braking and stability.Â
- Heat dissipation:A 3D dimple pattern is integrated into the tread to help dissipate heat, which contributes to overall durability.Â
- Durability:Uses two full-width nylon reinforcement cap plies for improved stability, responsiveness, and high-speed durability.Â
- Asymmetric design:Features an asymmetric tread pattern with a special focus on the rear tires, which have additional block stiffness optimized for powerful rear-wheel-drive cars.Â
- Kumho Ecsta PS91 255/40ZR18 – Tire RackCustomer surveys indicate the Kumho Ecsta PS91 excels in dry traction, with many ratings in the 9-10 range for confident grip and …Tire Rack
Suitability
- Vehicle type:Best suited for high-performance vehicles such as supercars and powerful saloons.Â
- Driving conditions:An excellent choice for drivers who primarily experience dry conditions but need good grip in occasional wet weather.Â
- Driving style:Ideal for drivers who prioritize performance, such as track-day enthusiasts, but it is important to note that the tire may wear more quickly due to its high-grip compound.Â
- Ride comfort:Offers a firm ride due to its performance-oriented design, which means drivers will feel more road imperfections.Â