The Westlake SU318 HWY (also called SU318 H/T) is a budget-friendly highway all-season tire made for SUVs, crossovers, and light trucks. It focuses on providing a smooth, quiet ride with dependable traction in dry, wet, and light snow conditions. The tire features wide grooves to help resist hydroplaning, while its tread pattern improves stability and handling on highways. It’s known for offering good value, decent tread life, and comfortable everyday driving at a lower price than premium brands.