How fast does 'H' represent a tire can run at high speed?

3 Answers
DeEdward
07/28/25 8:09pm
H represents that the tire can run at a speed of 210 kilometers per hour on highways. Generally speaking, the speed limit letters for household tires include Q, R, S, T, U, H, V, W, and Y, among which Y represents the highest speed rating of the tire, with a maximum speed of 300 kilometers per hour. The functions of tires are to support the full weight of the vehicle, transmit the torque of traction and braking, prevent vibration and damage to vehicle components, and ensure driving safety. The maintenance methods for tires are: 1. Regularly clean the stones in the tire gaps; 2. Reduce tire exposure to sunlight; 3. Frequently check the tire pressure; 4. Pay attention to suspension maintenance; 5. Regularly inspect front wheel alignment; 6. Be mindful of driving habits.
Was this review help?
13
1
Share
GraceLee
08/11/25 11:54pm
I've been driving for decades and know a thing or two about tires. The H stands for the tire's speed rating, meaning it can handle a maximum of 130 miles per hour, approximately 209 kilometers per hour. Once on the highway, when I was overtaking at close to 120, I realized I was nearing the limit. Driving too fast beyond this speed can cause the tires to heat up and deform, possibly even leading to a blowout, especially on slippery roads or during sharp turns. Safe driving is key, and I always remind myself to check the tire's wear and whether the pressure is right. If the tires are worn out or underinflated, their maximum speed tolerance drops significantly—never take it lightly.
Was this review help?
5
5
Share
Expand All
Harmony
09/30/25 6:48am
As a car enthusiast, I often tinker with various car accessories. H-rated tires indicate a maximum speed of 130mph, which is completely sufficient for regular driving. I've tested them a few times on professional tracks, and the tires maintain stable grip at that speed. If you're after even crazier performance, I'd recommend upgrading to V-rated or Z-rated tires, as they can handle higher speeds. In terms of material, H-rated tires might not be ideal for extreme cornering, so pay extra attention to tire temperature at high speeds to avoid overheating damage.
Was this review help?
8
2
Share
Expand All
More Forum Discussions

What is the actual fuel consumption of the Sonata 8?

Factors such as the driver's skill, whether the air conditioning is on, road conditions, and whether the vehicle is still in the break-in period can all affect the car's fuel consumption. Based on the data released by the Ministry of Industry and Information Technology and the actual measurements from car owners, the real fuel consumption of the Hyundai Sonata 8 is as follows: 1. Hyundai Sonata 8 2.0L 162HP L4, the official data shows a fuel consumption of 7.7L per 100km; according to owner measurements, the average fuel consumption is around 10L per 100km. 2. Hyundai Sonata 8 2.4L 162HP L4, the official data shows a fuel consumption of 7.9L per 100km; according to owner measurements, the average fuel consumption is around 10L per 100km.
2
1
Share

How often should the air conditioning compressor oil be changed?

Car air conditioning compressor replacement intervals are determined by the compressor's quality and frequency of use. The lifespan of a car air conditioning compressor is typically around 10 years. The compressor serves as the heart of the air conditioning refrigeration system, responsible for compressing and circulating refrigerant vapor. Here is additional information: Car air conditioning: The main aspects of car air conditioning compressor maintenance and care involve checking the compressor belt tension. Excessive belt tension can lead to premature failure of the compressor pulley bearings, manifested as loud compressor noise. If not repaired promptly, it may result in clutch damage. Insufficient belt tension causes belt slippage, reducing compressor speed and resulting in poor cooling performance. During regular use, drivers can manually flip the belt; if the belt can be turned 90 degrees, the tension is generally normal.
6
0
Share

How to Turn Off the Radio in Lavida Car?

Lavida does not have a dedicated function to turn off the radio. You can mute the sound in the radio interface or switch to multimedia or other modes to turn off the radio. Below is some relevant information about the Lavida car: 1. Brand Philosophy: Lavida is a sedan produced by Shanghai Volkswagen, with the English name LAVIDA, symbolizing life, living, and hope. It represents the dynamic vitality of life and a lifestyle full of fun, promoting an innate potential that bursts from within and the passion and motivation to strive for a better life. 2. Body Dimensions: The Lavida has a length of 4608mm, width of 1743mm, height of 1465mm, and a wheelbase of 2410mm. 3. Power Performance: The Lavida is equipped with an EA111 direct-injection engine, with a maximum power of 96Kw, maximum torque of 220Nm, and maximum horsepower of 131Ps.
20
4
Share

Does using air conditioning in a sedan consume more fuel?

Using the air conditioning for cooling in a car consumes more fuel, but using it for heating in winter does not. When the air conditioning is used for cooling, the air conditioning unit is in operation, powered by the car's engine, which increases the load and thus fuel consumption. However, using the air conditioning for heating in winter does not consume fuel. Here is more detailed information: Content 1: The warm air comes from the heat generated by the engine during operation. After the engine's cooling system dissipates heat from the engine, a fan directs this heat into the car's interior to create warm air. When the heating is not in use, the fan stops, and the heat vent closes, allowing the heat to dissipate completely into the atmosphere. Therefore, the car's heating system recycles waste heat and does not consume additional fuel. Content 2: The AC button controls the air conditioning compressor. In summer, when using the air conditioning, the AC button must be turned on to activate the cooling function. However, the heating system simply utilizes the internal heat cycle of the car and does not require the air conditioning compressor to be activated. Thus, to use the heating, you only need to adjust the air conditioning settings without turning on the AC switch.
16
4
Share

Why is it difficult to schedule a C2 driving test?

The reason why it is difficult to schedule a C2 driving test is that there are many candidates applying for the test, including those who failed previous attempts and are rescheduling, as well as those who book the test many days in advance. Additionally, there are fewer C2 training vehicles available at driving schools compared to C1 vehicles, but the number of applicants is high, leading to the difficulty in scheduling. Below is a related introduction to the driving test subjects: Subject 1: Road traffic safety laws, regulations, and related knowledge test (Subject 1) - written test, computer-based, full score of 100, passing score is 90 or above (including 90). Subject 2: Field driving skills test (Subject 2) - conducted on-site with a real vehicle. Results are either pass or fail. The test includes five mandatory items performed in sequence: reversing into a garage, parallel parking, S-curve driving, right-angle turning, and hill start and stop. Full score is 100, passing score is 80 or above (including 80). Subject 3: Road driving skills test (Subject 3) - conducted on a road or simulated site with a real vehicle. Full score is 100, passing scores are 90 or above for large buses, 80 or above for large trucks, and 70 or above for other vehicle types. Subject 4: Safe and civilized driving knowledge test (Subject 4) - written test, full score of 100, passing score is 90 or above (including 90).
18
2
Share

How to Remove the Front Headlight of Baojun 730?

Baojun 730 front headlight removal method involves screws fixed on the radiator frame. Simply remove the screws on the radiator frame to take off the headlight. Below is more information about car lights: 1. Lighting: The lighting should provide good illumination while minimizing glare. For headlights, to meet both requirements, high beam and low beam modes are used. 2. High Beam: This is a long-distance illumination beam used when there are no oncoming vehicles or when not following other cars. It is produced by a high-power main filament located at the focus of the reflector, with the beam direction approximately horizontal. Typically, the maximum luminous intensity of a single light should be no less than 20,000 candelas. To ensure driving safety, the illumination distance of the high beam (the distance to detect and recognize obstacles) should be greater than the braking distance required for a timely stop. 3. Low Beam: This is a short-distance illumination beam used when meeting or following other vehicles. It is produced by a lower-power secondary filament, which is offset from the reflector's focus and optical axis, directing the beam downward. To limit the beam above the horizontal direction, a metal glare shield is usually installed below the secondary filament, creating a sharp light-dark transition on the vertical screen. When meeting another vehicle, the oncoming driver's eyes are located in the dark area of the low beam pattern, thus minimizing glare to the greatest extent.
15
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.