What does AO on tires mean?

2 Answers
VanDallas
09/02/25 7:01am
Tire with AO stands for Audi Original, meaning original Audi equipment. The functions of tires are as follows: 1. Support the entire weight of the vehicle: Bear the load of the car and transmit power and torque in other directions; 2. Transmit traction and braking torque: Ensure good adhesion between the wheels and the road surface to improve the car's power performance, braking performance, and passability; Work together with the car suspension to mitigate the impact during driving and dampen the resulting vibrations; 3. Prevent severe vibrations and premature damage to car components: Adapt to the high-speed performance of the vehicle and reduce driving noise, ensuring driving safety, handling stability, comfort, and energy-saving economy.
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JonathanMarie
09/15/25 2:16am
I've been driving an Audi for several years, and at first, I was also confused by the AO marking on the tire sidewall. Later, I specifically asked a technician at the 4S dealership and finally understood. AO stands for Audi Original, meaning these tires are Audi factory-certified, specifically designed and tested for Audi models. During the design process, factors like vehicle weight, suspension system, and electronic controls such as ESP were considered. After switching to them, the handling noticeably became more stable, with precise steering and responsive braking. When choosing tires, it's advisable to prioritize those with the AO marking. Although they are slightly more expensive, they are worth it, as using generic tires may affect fuel efficiency or safety. There are other crucial markings on tires, such as the speed index. Regular maintenance should include frequent checks on tire pressure, and combining rotation maintenance can extend their lifespan. As a car owner, I believe these small details, though minor, are crucial to the daily driving experience and should not be overlooked.
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