Shop for 245/40R18 Tires in Shop by Size. Buy products such as Fullway HP108 245/40ZR18 245/40R18 97W XL High Performance a/s All Season Tire at Walmart and save.

Nov 5, 2024 · The two sizes i.e. 225/40R18 and 225/40ZR18 appear to be somewhat similar, but there are some marked differences between them especially in speed rating, design concept, and usage. …

Nov 15, 2021 · Max Performance Summer tires are for serious driving enthusiasts who want a combination of a performance appearance, competent handling and Z-speed rated (or higher) …

May 7, 2023 · First, let’s decode the letters on your tires. The letters “ZR” and “R” are important, but they mean different things. ZR: This snazzy letter combo is all about performance. ZR-rated tires are …

Sep 8, 2018 · Variable pitch tread design lowers road harmonics for a quieter, more comfortable ride; especially at high speeds. Circumferential and lateral grooves along with full-depth sipes help to …

Oct 19, 2023 · Understanding the difference between 245/45r18 and 245/45zr18 is crucial to ensure the proper functioning of your vehicle and your safety. In this article, we will explore the concept of tire …

Jul 20, 2025 · ‘ZR’ indicates a tire’s speed rating. Originally, ‘Z’ represented the highest speed category, applicable for tires capable of speeds over 149 mph. Over time, but, as tire technology and car …

Find the largest selection of 275/40ZR18 tires you need with SimpleTire. Look for the size you need across tire types, brands, performance categories and more with fast, free shipping.

Mar 25, 2025 · It means your tires are built for speeds above 149 mph (240 km/h). When you see “ZR” on your tire sidewall, you look at performance tires designed for high-speed driving. The “R” part? …

Thus, a ZR tyre has a speed index of V, W, or Y. R indicates that the structure is RADIAL. So, VR indicates that the tyre has a RADIAL structure and a speed index equal to V. There is therefore no …