235/55 R18 W

The ROADX Rxquest SU01 in size 235/55 R18 104W is a passenger car tyre designed to fit wheels with a 18-inch rim diameter. With a section width of 235mm and a sidewall height of approximately 129mm (55% of the section width), this size offers a balance of handling response, ride comfort, and grip suited to a wide range of vehicles.

This tyre carries a load index of 104, meaning each tyre is rated to support up to 900kg at the maximum permitted speed. The speed rating is W, certifying the tyre for use at sustained speeds of up to 270km/h (168mph). Always ensure replacement tyres meet or exceed your vehicle manufacturer's recommended load and speed ratings.

According to the EU tyre label, the Rxquest SU01 235/55 R18 104W is rated for fuel efficiency at class D — moderate fuel efficiency suited to general everyday driving, for wet grip at class B — excellent wet grip, providing confident braking on wet roads, with an external rolling noise level of 72 decibels (class 2). These standardised ratings make it easy to compare tyres on the factors that matter most for safety and running costs.

This summer tyre is optimised for warm-weather driving, delivering precise handling and short braking distances in dry and wet conditions when temperatures are above 7°C. The Extra Load (XL) construction strengthens the sidewalls to support heavier vehicles or increased payloads.

Tyres.Online compares ROADX Rxquest SU01 235/55 R18 prices from leading UK retailers in real time, so you can find the best deal without manually checking each website. Use the price history chart and current price table on this page to spot trends and save on your next set of tyres for your vehicle.