The Westlake SU318 H/T is an all-season highway-terrain tire for SUVs and light trucks, designed to deliver on-road comfort, dependable wet traction, stable handling, and everyday versatility in dry, wet, and light snowy conditions.
WESTLAKE SU318 H/T
275/45 R19
V
(108)
Need a different size ?
- 4x4 Vehicle Tire
- All Season - M+S
WESTLAKE SU318 H/T Description
- Highway-terrain comfort: road-focused design built to deliver a smooth, stable, and comfortable ride for SUVs and light trucks.
- Wet-road traction: four longitudinal grooves and siping help evacuate water and support control in rainy conditions.
- Silica Tech compound: designed to improve wet grip while helping reduce rolling resistance for everyday efficiency.
- All-season versatility: M+S rated tread design supports dry, wet, and light snowy driving conditions.
Westlake SU318 H/T: all-season highway-terrain tire for SUV comfort, wet traction, and stable handling
The Westlake SU318 H/T is designed for SUV and light-truck drivers who want a practical all-season tire focused on comfort, stability, and dependable road performance. Built as a highway-terrain tire, the SU318 H/T is best suited for drivers who spend most of their time on paved roads and want a tire that feels smooth, controlled, and predictable during daily driving. Whether you use your vehicle for commuting, family travel, highway trips, or regular city driving, this tire is engineered to provide a balanced ride in dry, wet, and light snowy conditions.
Highway-terrain comfort for everyday SUV driving
The SU318 H/T is built with on-road comfort as a key priority. Its highway-terrain design helps deliver a smoother and more stable driving experience compared with more aggressive off-road tire patterns. For SUV and light-truck owners, this makes it a practical option for daily routes, longer highway drives, and regular use where comfort matters. The tire is also designed with a re-constructed steel bead wire that helps improve driving comfort, supporting a more refined feel behind the wheel.
Wet traction and water evacuation for changing weather
Wet-road performance is one of the most important qualities in an all-season tire. The Westlake SU318 H/T uses four longitudinal grooves combined with siping to help evacuate water from the contact patch and support traction on wet pavement. This design helps the tire feel more reassuring when rain makes the road slick, whether you are driving through city streets, merging onto the highway, or braking in wet conditions. The goal is a more confident and controlled drive when weather changes quickly.
Silica Tech compound for grip and rolling efficiency
The SU318 H/T uses Silica Tech to support better wet grip while also helping reduce rolling resistance. For drivers, this means the tire is designed not only to provide traction in everyday conditions, but also to support efficiency-minded performance. This balance is especially useful for SUVs and light trucks, where tire choice can influence comfort, fuel efficiency, and overall road feel. The result is a tire that aims to deliver a dependable all-season driving experience without feeling overly aggressive or harsh.
A versatile all-season choice for SUVs and light trucks
With a wide fitment range and an M+S rated tread design, the Westlake SU318 H/T is a practical option for drivers looking for an affordable, road-focused all-season tire. It is designed to support dry, wet, and light snowy driving conditions while maintaining the comfort and stability expected from a highway-terrain tire. If you want a dependable tire for everyday SUV or light-truck use, the SU318 H/T offers a balanced combination of traction, comfort, and year-round usability.
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All Season Tires
Discover how all-season tires provide a practical compromise for year-round driving, especially in regions with milder winters.
Technical data
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Garage Delivery Most popularAt a local garage or mobile fitter, additional fitment fee applicable at garageMore than 1300 garages in Canada
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Home DeliveryDelivered to your home or work
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Local Tire Installation Available Across Canada
Certified professionals across Canada ensure a pefect fit at your local garage, at home or work, every time. Find your nearest local garage
About Blackcircles.ca
Since its launch in Canada, Blackcircles.ca has become a trusted reference for buying tires and wheels online. With a vision focused on simplicity, transparency, and innovation, we have built a network of more than 1500 partner service centers across the country. Our goal is clear: to connect local expertise with a modern platform and provide Canadian drivers with a convenient and reliable experience tailored to their needs. 
FAQ
You can check the information directly on the sidewall of your current tires (e.g., 205/55R16) or use our vehicle search tool by entering the make, model, and year. Click here to check your tire size.
Summer tires are designed for warm temperatures and provide excellent performance on dry or wet roads. Winter tires are mandatory in Quebec from December 1 to March 15 and offer superior grip on snow and ice. All-season tires are a practical compromise, but they do not match the performance of specialized tires in extreme conditions.
The price shown is for the purchase of the tire only. You can add installation directly at checkout and choose a partner garage near you.
Delivery usually takes 3 to 5 business days. The exact timeframe will be displayed at checkout depending on your address.
All tires are covered by the manufacturer’s warranty. In addition, Blackcircles offers a 2-year road hazard protection free of charge under certain conditions.
Absolutely. During checkout, you can select a partner service center in your area and your tires will be shipped directly there for installation.