About 315/40R18 Tires

315/40R18 tires are a large fitment commonly found on sedans, SUVs, and light trucks. The 315mm tread width paired with a 40% aspect ratio gives a sidewall height of 126mm, balancing ride comfort with handling response.

The 18-inch wheel diameter is one of the most common fitments on modern vehicles, making 315/40R18 a widely stocked size with strong availability across retailers.

Treddur is currently tracking 13 listings for 315/40R18 tires. Prices range from $72.06 to $548.99 depending on brand and retailer.

When comparing 315/40R18 tire prices, check that the load index and speed rating match your vehicle's requirements. All-season tires in this size typically carry a higher mileage warranty than performance-oriented options.