: Most AWD manufacturers, like Subaru and Audi, require replacing all four tires at once. Even a small difference in tread depth (often as little as
: Mismatched tires can lead to "darting" or unstable steering because one side of the car has significantly more traction than the other. do you have to buy tires in pairs
of an inch) can cause the tires to spin at different speeds, which puts immense stress on the drivetrain and can lead to expensive differential failure. 3. When It’s Safe to Replace Just One : Most AWD manufacturers, like Subaru and Audi,
There are rare scenarios where a single-tire replacement is acceptable: While you can technically replace a single tire,
The type of car you drive dictates whether you can get away with two tires or if you need four.
Do You Have to Buy Tires in Pairs? While you can technically replace a single tire, automotive experts from Consumer Reports and Goodyear strongly recommend buying tires in or full sets . Tires are designed to work as a balanced system; mismatched tread depths can compromise your car’s handling, safety, and mechanical health. 1. Why "In Pairs" is the Standard
: Modern safety systems like Anti-lock Braking (ABS) and Electronic Stability Control (ESC) rely on consistent wheel speed data. Large differences in tire diameter can confuse these sensors. 2. Drivetrain Matters: 2WD vs. AWD