Roadstone 235/65 R18 110H Roadian HTX RH5 2024

Roadstone Roadian HTX RH5 235/65 R18 110H XL is an all-season highway terrain tyre developed for SUVs and crossover vehicles that require dependable on-road handling, comfortable highway driving and long-lasting tread performance. This exact 235/65 R18 110H XL specification supports a maximum load of 1,060 kg per tyre and carries an H speed rating for speeds up to 210 km/h when operated within the specified load and inflation limits. Available 2024 product records identify this tyre as a South Korean manufactured specification with reinforced XL construction. Verified technical information for this size also lists a UTQG rating of 640 A A.

About Roadstone Roadian HTX RH5 235/65 R18 110H

The Roadian HTX RH5 is designed primarily for drivers of SUVs and crossover vehicles who spend most of their time on paved roads but still require dependable traction in changing weather conditions. Roadstone describes the tyre as a highway terrain model that combines ride comfort, predictable steering response and extended tread life. The exact 235/65 R18 110H XL configuration features reinforced construction for higher load capacity while maintaining stable handling during everyday driving and long-distance touring.

Tread design and highway stability

The Roadian HTX RH5 uses a symmetric non-directional tread pattern featuring continuous centre ribs, wide circumferential grooves, zigzag sipes and large shoulder blocks. This tread arrangement is intended to maintain straight-line stability, improve steering precision and distribute contact pressure evenly across the tread surface. The continuous ribs also help reduce irregular wear and contribute to quieter highway driving.

Wet-road traction and all-season capability

Wide longitudinal drainage grooves and dense zigzag sipes help evacuate water from the contact patch while increasing the number of biting edges available during wet-road driving. Roadstone also incorporates an open outer shoulder design to assist water and light mud evacuation. The tyre carries an M+S designation and is intended for year-round highway use in moderate weather conditions, although it is not a dedicated winter tyre.

Comfort, durability and long tread life

The Roadian HTX RH5 places strong emphasis on ride comfort and tread longevity. Reinforced shoulder blocks improve wear resistance while the tread compound and contact pattern are engineered to promote even tread wear. The verified UTQG rating of 640 A A indicates high treadwear performance together with A-rated traction and A-rated temperature resistance under the UTQG testing standard.

Load capacity and everyday SUV use

This specific 235/65 R18 110H XL specification supports a maximum load of 1,060 kg per tyre and is suitable for many SUVs and crossover vehicles that require an Extra Load tyre. The reinforced casing improves carrying capacity while maintaining predictable handling during motorway travel, family journeys and everyday commuting. As with any tyre, maintaining the recommended tyre pressure and regular wheel alignment helps maximise safety and tread life.

Who should consider this Roadstone?

Roadstone Roadian HTX RH5 235/65 R18 110H XL is a practical choice for SUV and crossover owners looking for an all-season highway tyre that balances comfort, durability, stable road handling and dependable wet-road performance. It is particularly well suited to drivers who spend most of their time on paved roads and highways. Drivers seeking aggressive off-road traction or dedicated winter performance should instead choose tyres designed specifically for those applications. Before installation, always verify that the vehicle manufacturer approves the exact 235/65 R18 110H XL specification.