It is 285 mm wide with a sidewall height equal to 35% of the width, built for an 18-inch rim (R means radial construction). The wide tread and short sidewall typically deliver sharper turn-in but a firmer ride, so wheel width and clearance matter. Check your wheel is usually in the 9.5-11 inch range and that the fitment is approved for your vehicle.
Use the load index and speed rating shown on your door sticker or handbook and match them, or go higher if your vehicle manufacturer allows it. Many options in this size are XL reinforced and come with performance ratings such as W or Y, but the correct load index depends on your axle weights. Filter by the exact ratings before you buy.
Yes, it is commonly used as a wider rear fitment alongside a narrower front size on performance set-ups. Stick to manufacturer-approved front and rear sizes and keep the same tyre type across each axle to maintain balanced handling. If your car is AWD, confirm the rolling circumference difference stays within the limit set by the vehicle maker.
Yes, winter and all-season tyres are available, although the choice can be smaller than summer options in this width. Because a very wide tyre can be less effective in deep snow, some drivers choose a narrower winter wheel and tyre package if their car allows it. Pick the season that matches the temperatures and road conditions you drive in most.
Replace tyres in pairs on the same axle to keep grip and braking stable, especially with a wide rear performance size. If the old tyres show uneven wear, a wheel alignment check helps prevent the new tyres wearing prematurely. Measure your current tread depths and choose the replacement plan that keeps each axle closely matched.
