What does 100W on a tire mean?

2 Answers
McKinsley
07/29/25 6:44am
Tire 100W meaning: 100 is the load index of the tire, corresponding to a maximum load capacity of 800 kilograms per tire; W represents the speed rating of the tire, with W indicating a maximum speed of 270 kilometers per hour. Tires are circular elastic rubber products assembled on various vehicles or machinery for ground rolling, usually mounted on metal rims. They support the vehicle body, cushion external impacts, ensure contact with the road surface, and maintain the vehicle's driving performance. Tires are often used under complex and demanding conditions, enduring various deformations, loads, forces, and high and low temperatures during operation. Therefore, they must possess high load-bearing capacity, traction performance, and cushioning performance. Additionally, they are required to have high wear resistance and flex resistance, as well as low rolling resistance and heat generation. Half of the world's rubber consumption is used for tire production, highlighting the significant rubber consumption capacity of tires.
Was this review help?
5
4
Share
LukeDella
08/12/25 10:07am
I've been in the car repair business for decades, and friends often ask me what 100W on tires means. Simply put, 100 is the load index, indicating the maximum weight the tire can safely bear, around 800 kilograms; W is the speed rating, meaning the car can safely drive up to 270 kilometers per hour. For example, SUVs or larger vehicles often use this rating because they need to carry heavy loads or drive on highways. But if you choose the wrong tire when replacing it, such as one with too low a load index or speed rating, it can easily lead to blowouts or even accidents. Once, while inspecting someone's car, I found that rapid tire wear was due to this reason. So when buying a car or replacing tires, always check the original specifications. Don't skimp and opt for inferior products—safety should always come first. Especially before long trips, check tire pressure and wear levels to ensure everything is within the normal range.
Was this review help?
11
2
Share
Expand All
More Forum Discussions

What is the difference between Haval's Red Label and Blue Label?

The difference between Haval's Red Label and Blue Label lies in their styles: Red Label products feature a bold, flamboyant style with strong visual impact, emphasizing luxury, convenience, and versatility, targeting mainstream family users; Blue Label products adopt a minimalist, sleek style with a sporty design, focusing on coolness, novelty, and a high-tech feel, aimed at the younger generation. The two brands are sold through independent channels, increasing vehicle options to meet diverse consumer needs. However, current products show that this differentiation is not very distinct. Observing existing models, Red Label cars tend to have a more moderate design, leaning towards family use, while Blue Label cars have a sharper, more sporty design. However, there are no significant differences in power or space.
16
2
Share

What brand of car is Dany?

Dany is not a car model; it is a person's name. This individual was an engineer at Lotus and later founded his own tuning brand called Ares Design. His full name is Dany Bahar. Lotus Cars, formerly translated as Lotus Automobile, is a world-renowned manufacturer of sports cars and racing cars headquartered in Hethel, Norfolk, UK. It was founded by Colin Chapman, and its sports cars are known for their pure driving pleasure and lightweight design.
3
4
Share

How to Check the National Emission Standard?

Methods to check the national emission standard: 1. Directly check the vehicle's environmental protection label, which has clear markings on the back. You can also visit the website of the Motor Vehicle Exhaust Pollution Supervision and Management Center for inquiries; 2. Bring the original or a copy of the motor vehicle registration certificate to the vehicle management office for inquiries. For new cars, you can refer to the vehicle's factory certificate, which is usually kept at the vehicle management office and can be photocopied for backup; 3. Make a rough distinction based on the year the vehicle was registered. Vehicle emission standards are becoming increasingly stringent, and many regions have implemented the National VI emission standard. Currently, many automakers, in line with national policies, have introduced models that meet the National VI emission standard.
9
0
Share

What are the reasons for a persistent gasoline smell in the car?

The reasons for a persistent gasoline smell in the car are: 1. Aging rubber hoses of the carbon canister; 2. Leakage at the gasoline pipe connections; 3. Residual odor from disassembling or installing the gasoline tank; 4. Dirt buildup on the fuel injectors and throttle body due to long-term lack of cleaning, leading to incomplete gasoline combustion. The solutions for a persistent gasoline smell in the car are: 1. Replace the aging rubber hoses; 2. Tighten and repair the connections, replace the sealing gaskets; 3. Take the car to a repair shop to check if the fuel pump is installed correctly and whether the surrounding area needs further cleaning; 4. Use the air conditioning in recirculation mode and open the sunroof for ventilation; 5. Clean the fuel injectors and throttle body promptly.
2
2
Share

How to Deal with Foggy Car Windows in Summer?

Solutions for foggy car windows in summer: 1. Anti-fog spray prevention method: Spray a small amount of defogger on the car windows (inner side) and wipe it clean to remove dirt and stains from the glass; 2. Air conditioning cooling method: Use the air conditioning's dehumidification function to reduce air humidity and eliminate fog; 3. Air conditioning warm air method: Use the method of reducing temperature difference to remove condensation. In summer, car windows fog up on the outside. During summer, the temperature inside the car is lower, while the outside temperature is higher. When the hot outside air meets the cold glass, the water vapor in the outside air condenses into tiny droplets upon contact with the cold glass.
14
4
Share

How to adjust the time on the Skoda New Octavia?

Method to adjust the time on the Skoda New Octavia: 1. Locate the knob on the instrument panel; 2. Press and hold this button for 2 seconds; 3. At this point, the short-trip mileage will reset, rotate left or right; 4. When the clock icon is flashing, you can then adjust the time. The knob on the instrument panel can also be pressed and held for 2 seconds to reset the short-trip mileage. The Skoda New Octavia adopts a naturally aspirated intake form, with a maximum horsepower of 113ps and a maximum torque of 145nm. The body structure is a 5-door, 5-seat hatchback, with a length of 4675mm, a width of 1814mm, and a height of 1460mm. It is equipped with a 1.5L L4 engine.
20
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.