Do All Four Tires on a 4WD Vehicle Need to Be Replaced Together?

1 Answers
LaDaniela
07/30/25 1:04am
Under ideal circumstances, it is recommended to replace all four tires of a 4WD vehicle simultaneously. If conditions do not permit, at least the two tires on the same axle should be replaced together. Here are more details regarding tire replacement: 1. Tires on the same axle must be of the same brand, model, and tread pattern, with identical load indexes and speed ratings. Replacing only one tire can result in different tread patterns on either side of the vehicle, increasing fuel consumption and posing significant safety risks. For instance, during sharp turns or emergency braking, the vehicle may tilt, leading to accidents. 2. If the center differential lacks a limited-slip device (LSD), a 4WD vehicle is no different from a standard front-wheel-drive or rear-wheel-drive vehicle. Once one wheel loses traction, the remaining three wheels will also lose their pulling force. 3. If the original four tires are of the same model, the replacements must also be of the same model. It is not permissible to have one model for the two front tires and another for the two rear tires. Different tire specifications between the front and rear axles can lead to variations in traction or differences in outer diameter, causing handling or mechanical issues.
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