About 325/40R21 Tires
The 325/40R21 tire size delivers exceptional grip and handling precision for high-performance vehicles demanding maximum road contact. This ultra-wide 325/40R21 configuration is commonly found on performance-oriented models such as the BMW X5 M, Mercedes-AMG GLE 63, and Audi SQ7, where superior traction and cornering capabilities are essential. Available in high performance, ultra-high performance, and summer performance categories, 325/40R21 tires feature advanced rubber compounds and aggressive tread patterns engineered for responsive steering and enhanced braking performance. These tires excel in dry conditions while many options also provide confident wet weather handling for year-round driving versatility. With free shipping to your door, as part of a wheel and tire package, or to one of over 10,000 Recommended Installer locations, you can find the perfect set of 325/40R21 tires right here.
