255/40 R18 Y

The Uniroyal RainSport 5 in size 255/40 R18 99Y is a passenger car tyre designed to fit wheels with a 18-inch rim diameter. With a section width of 255mm and a sidewall height of approximately 102mm (40% 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 99, meaning each tyre is rated to support up to 775kg at the maximum permitted speed. The speed rating is Y, certifying the tyre for use at sustained speeds of up to 300km/h (186mph). Always ensure replacement tyres meet or exceed your vehicle manufacturer's recommended load and speed ratings.

According to the EU tyre label, the RainSport 5 255/40 R18 99Y is rated for fuel efficiency at class C — good fuel efficiency, balancing economy with performance, for wet grip at class A — the shortest possible wet braking distances for maximum safety in rain, with an external rolling noise level of 73 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 Uniroyal RainSport 5 255/40 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.