Posted on 10/8/2025
At J & H Tires, we get this question all the time. The answer depends on your tread depth and your vehicle’s design. AWD systems need tires that are very close in size. Even small differences can cause costly damage to the drivetrain. Our Guidelines Replace All 4 Tires If your tires are worn below 6/32" If the difference between the new tire and your current tires is more than 3/32" If your vehicle’s manufacturer requires it Replace 1 Tire If your other three tires have plenty of tread (7/32" or more)= If the new tire matches the same brand and model Replace 2 Tires If two tires are much more worn than the others, but the tread is still above 4/32" If your AWD system allows slight differences front to rear Why It Matters Keeping tread depth consistent helps your AWD system work correctly, improves traction, and prevents damage to expensive components like differential ... read more