What is the difference between a spare tire and a normal tire for a car?

1 Answers
DelAndres
07/30/25 12:14am
There is no difference, as its specifications will be the same as the original car tire specifications. However, in some vehicles, to remind the owner to promptly inspect and replace faulty tires, special forms of spare tires may be used, such as those with uniquely colored rims, compact spare tires, folding spare tires, run-flat tires, etc. Additional information is as follows: There are three types of spare tires: 1. Full-size spare tire: The full-size spare tire has the exact same specifications as the other four tires on the car and can replace any temporarily or permanently unusable tire. 2. Non-full-size spare tire: The diameter and width of this spare tire are slightly smaller than the other four tires, so it can only be used as a temporary replacement and must be installed on non-driving wheels, with a maximum speed not exceeding 80 km/h. 3. Run-flat tire: Also known as a safety tire (run-flat tire), commonly referred to as a 'puncture-proof tire,' it is directly translated in the industry as 'tire that can run when flat.' Compared to regular tires, run-flat tires do not leak air or leak very slowly when punctured, maintaining their driving profile, and the tire bead remains fixed on the rim, allowing the car to drive stably for an extended period or temporarily to a service station.
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