Kumho 255/35 R21 98Y Crugen HP71 EV 2024

Kumho Crugen HP71 EV 255/35 R21 98Y XL is an all-season touring tyre engineered for electric and hybrid crossover and SUV applications. This exact configuration uses a 255 mm section width, 35-series profile and 21-inch rim, with a 98Y XL service description. Load index 98 corresponds to a maximum load of 750 kg per tyre, while the Y speed rating allows speeds up to 300 km/h under the specified operating conditions. Kumho positions the Crugen EV HP71 as an EV-focused tyre designed to combine low road noise, comfort, wet-road performance and efficient road behaviour.

Tread Design and Steering Response

The Crugen EV HP71 uses a five-rib symmetrical tread design with Kumho's Variable Pitch Technology. The tread layout is engineered to provide consistent road contact and predictable steering response, while the variable pitch arrangement helps manage tread-generated noise. The XL construction supports the higher load requirement associated with this exact 98Y configuration.

Dry-Road Handling and Cornering

The 255 mm section width provides a broad contact area, while the 35-series profile contributes to a more responsive steering feel. The tread and internal construction are designed to support stability during lane changes, cornering and highway driving. Actual handling depends on vehicle setup, alignment, tyre pressure, road surface and driving conditions.

Wet-Road Performance

The Crugen EV HP71 uses an all-season tread compound and tread geometry designed to maintain dependable wet-road contact. Kumho rates this model strongly for wet performance, while the exact 255/35R21 98Y XL configuration carries a UTQG traction rating of A. Actual wet grip and braking performance vary with temperature, tread condition, inflation pressure and road surface.

High-Speed Stability and Braking

The 98Y service description combines a 750 kg maximum load rating per tyre with a Y speed rating of up to 300 km/h under applicable conditions. The tyre's wide footprint and reinforced XL construction are intended to support stable road contact and controlled handling at highway speeds. Braking performance remains dependent on the vehicle, road conditions, tyre condition and driver inputs.

Comfort and Road Noise

Low noise and ride comfort are important design objectives of the Crugen EV HP71. Kumho incorporates Variable Pitch Technology to help reduce tread noise, while the EV-oriented design is intended to deliver a quiet and comfortable driving experience. This is particularly relevant to electric vehicles, where reduced powertrain noise can make tyre noise more noticeable inside the cabin.

Seasonal Performance

The Crugen EV HP71 is classified as an all-season touring tyre for crossover and SUV applications. Independent listings describe this exact 255/35R21 98Y XL configuration as all-season. The available specifications do not indicate a Severe Snow Service 3PMSF marking for this configuration, so it should not be represented as a 3PMSF tyre.

Load Capacity and Speed Rating

The 98 load index corresponds to a maximum load of 750 kg per tyre. The Y speed rating corresponds to a maximum rated speed of 300 km/h, subject to the applicable load, inflation pressure and vehicle manufacturer's requirements. The XL construction is confirmed for the exact 255/35ZR21 98Y configuration.

Who Should Consider This Tyre?

Kumho Crugen HP71 EV 255/35 R21 98Y XL is suitable for compatible electric and hybrid crossover or SUV applications requiring this exact 21-inch fitment. It is particularly suited to drivers looking for an all-season tyre with responsive road handling, wet-road capability, reduced road noise and an EV-focused construction.