The front and rear tires are different, and the front and rear tires of the car are not the same siz

Hankook's current main tires are the Ventus S2 AS (H462) and the Ventus S1 EVO3 (K127). The Ventus S2 AS (H462) is designed for a comfortable and quiet ride, with a low-grooved tread that reduces noise generated by air movement. At the same time, the tire is also designed with a three-segment pitch combination, which can reduce the resonance noise generated by the tread blocks and grooves between the pitches during driving.

In addition, the circumferential optimization technology used in H462 tires and FRF contour technology can effectively absorb the vibrations generated by the impact between the tire and the ground, further enhancing the quietness and comfort of driving. The Ventus S1 EVO3 (K127) is all about sporty performance and handling. The tire uses aramid cord, which can effectively reduce tire deformation, expand the tread ground contact area, and also introduce new material aramid

Hello! If the original 4 tires are of the same size, replacing them with tires with different specifications at the front and rear will affect the vehicle. Because the front and rear axle tires are different, the grip and outer diameter of the front and rear axle tires are different, causing handling or mechanical problems, especially in four-wheel drive vehicles.

First of all, it is recommended that the specifications of the tires purchased should be consistent with the specifications of the tires assembled in the original car, if you need to change the tire specifications, you must go to a professional tuning shop for tire upgrades, or consult the car manufacturer.

There are various factors to consider when modifying tires:

1.Local traffic regulations (will not affect the annual inspection of the vehicle, vehicle warranty, etc.);

2.speed and load index of the tire;

3.Rim specifications, such as width and offset, etc.;

4.Space; 5.the suspension system of the car;

6.The (important) load radius of the tyre remains the same;

Therefore, it is recommended that matters such as tire specification conversion and installation must be carried out by professionals. If necessary, consult the automobile manufacturer on relevant laws and regulations.

The upgraded tyre should be the same or similar to the total diameter of the original tyre, and if this is the only consideration, your conversion is not recommended.

Tires should be adapted to the wheels, if the wheels are too large, it may cause unstable driving, tires are fragile, it is recommended not to use.

But the car is very good, you can listen to the advice of the repair shop. After all, the gap is not too big.

It is better to change the model to the same.

If the front and rear sizes are different, it will actually affect the entire driving experience, and the car will find imbalance in the process of driving.

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The size of the car tires is not the same, this is not the same for the vehicle to run in the city or low-speed suburbs, the impact is not great, like this situation in general short-distance driving or low-speed driving does not have any impact Second, if it is running at high speed, then this has a certain impact, it is best to replace the same type of tires.

Questions. Front and rear tire sizes 50 and 55, respectively

The diameter of the tires is the same, but the flat ratio of the tires is different, and in the case of high speed, it may cause the vehicle braking system to have an alarm.

No, it won't. Because the handling of the two tires is different, even if the two things are different, it doesn't matter much.

Of course, it will affect the car, and it will definitely affect the driving of the car, and there may even be other dangers.

According to the "Technical Conditions for the Safety of Motor Vehicle Operation":

The tire specifications and patterns on the same axle should be the same, and the tire specifications should comply with the factory regulations of the vehicle manufacturer.

Tires for passenger cars should have tread wear markings. When the specifications of the spare tire of the passenger car are different from other tires of the car, a permanent mark should be installed in a conspicuous position near the spare tire (or other appropriate positions) to remind the driver to use the spare tire correctly.

The size of the front and rear tires will have an impact on the vehicle, because the size of the front and rear axle tires is different, which will cause different grip of the front and rear axle tires, or cause different outer diameters of the tires, causing handling or mechanical problems, especially in 4WD vehicles.

The specifications of the tires you buy must be consistent with the specifications of the tires assembled in the original car, and if you need to change the tire specifications, you must go to a professional tuning shop for tire upgrades, or consult the car manufacturer.

Generally, the car checks the tire pressure at least once a month, and pays attention to adjusting the tire pressure every time the season changes, the ideal adjustment time is in November and May, and the tire pressure usually decreases in November, so it should be adjusted slightly.

High-pressure tires are represented by adding a multiplier sign between two numbers, i.e. d b ["d" represents the nominal outer diameter of the tire (inches)" means high-pressure tires and "b" represents the tire section height (inches)).

High-pressure tires are less widely used in automobiles, and low-pressure tires are widely used in automobiles.

Low-pressure tires are also separated by two numbers and a split line in the middle, i.e. b-d ["b" for tire section width (inches)" - for low-pressure tires and "d" for rim diameter (inches)].

Is it balanced? Is the wheel diameter the same and the friction the same? If it is not the same, it is easy to deviate or deviate when braking, and in severe cases, it may lead to accidents.

Friends who have learned about luxury cars should know that some sports rear-wheel drive cars generally have different rear wheels in size than the front wheels, the rear wheels are wider than the front wheels, and the flat ratio is lower than the front wheels.

For example, the BMW 5 Series 530Li M Sport Package, for example, has 245 40 R19 tires at the front and 275 35 R19 at the rear.

<> there is also the BMW 430i M Sport Package, with 255 35 R19 at the rear and 225 40 R19 at the front;

The Aston Martin rear wheel is 295 30ZR20 101(Y), while the front wheel is 245 35ZR20 95(Y) and so on.

What is the reason for the different sizes of the front and rear wheels of these cars?

As mentioned above, this type of inconsistency is usually seen in premium cars, and especially in rear-wheel drive models, where the rear tires are a bit wider and sometimes even larger.

Because the main sports of the rear-wheel drive car horsepower, and driven by the rear wheels, so the rear wheels are required to have better grip, so the rear wheels of the high-horsepower rear-wheel drive car will use wider tires to increase the grip, in addition, the straight-line driving stability of the rear-wheel drive vehicle is slightly worse than the front-wheel drive car, and the wider rear tire can increase the stability to a certain extent.

With this benefit, why not make the front tire design a little wider?

In fact, the main reason is that the front wheels are responsible for steering, and if it is too wide, the steering wheel will become heavy, and the handling will naturally drop a lot.

And there is a situation where the front wheel track is greater than the rear wheel track, which is very common in family cars, <>

After all, family cars are not used on the track, and it is safer to adjust the bias understeer than to oversteer the bias, which is a small dozen millimeters, and the impact on the performance of the car is obvious.