When it comes to trading used cars, you can't avoid valuing vehicles. The assessment of vehicles is divided into three parts. The first part depends on the condition of the vehicle itself, such as year, mileage and usage. The second part is the engine operating conditions. The third part is the inspection commissioner's road test of the car. Through these three parts of the test, a comprehensive report will be drawn, giving an estimate of the car.

If we want our own car to be able to sell a good price, then the most important thing is whether our car is usually protected or not. When a new car is sent to a used car market, the assessor will do a full test for your car. The main test is appearance, interior, engine, chassis and so on.

  Necessary medical examination:

"software"

  (A) It is best to be 4 years old

At present, the used car market often has vehicles for one year or even several months. This type of used car has basically no problem with the condition of the vehicle, and can continue to enjoy the warranty period of the manufacturer after purchase.

The price of used cars from 2 to 3 years is obviously different from that of new cars. Vehicles have already gone through the running-in period and are in good use. As long as the original owner performs regular maintenance on time, basically no problem, but doing some tests is still necessary. It is advisable to purchase a maintenance record, which can be maintained according to the rules of the original vehicle maintenance vehicle, and can effectively maintain the performance of the vehicle.

For 4 to 8 years, the used car price is even cheaper, especially for some mid- to high-end cars with an original price of more than 300,000 yuan, and some of them even buy less than 100,000 yuan. Although it no longer meets the fashion pursuit in appearance and configuration, some of them are not inferior in performance to new cars. For such used cars, regular inspections and maintenance are even more important.

Although the price of the used car more than 8 years is very cheap, it is recommended that you purchase it carefully. Therefore, second-hand cars are basically not "second-hand", and some are even "five-handed" and "six-handed." This is uneconomical from the viewpoint of conservation.

(B) The mileage of used cars is very important

The service life of a car is determined by the time of use and mileage. After a typical car has traveled between 150,000 and 200,000 kilometers, the technical performance of the vehicle has been significantly reduced, and the cost of repairs has increased. The mileage of a used car can generally be read directly from the odometer. The mileage of some imported cars is calculated in miles. Attention should be paid when searching. Some used car odometers are replaced or malfunctioned. At this time, they can only be estimated based on the time of use of the car and the frequency of car use by the owner. It can also be estimated by observing the degree of wear of the tire. There is a gap between this estimate and reality and it can only be used as a reference. The less mileage a car has, the greater the reserve mileage.

(3) Practice is the sole criterion for testing truth

After checking the front and rear "four corners", paint and chassis, the final road test is indispensable. Experts suggest that the main purpose of the road test is to understand the handling, stability, braking performance, clutch and power performance of used cars. The road test should pay attention to four items:

1. Start: Check whether the clutch is stable, whether the separation is complete, and whether the clutch is shaking or sounding.

2, transmission inspection, from the start to gradually increase gear, and then by the high-speed gear shift to low speed, see whether the gear shift is flexible, with or without chaos, jump gear, clip row, whether there is abnormal sound.

3, the vehicle from the original start to accelerate to about 60km / h, feel there is no vibration, if any, there may be a problem with the front suspension or the wheel, or a problem with the drive shaft.

4. Road test: Suddenly lift the accelerator pedal at 40km/h, and then suddenly refuel, listen to whether the reducer has an extremely loud sound, and if so, it means that the reducer wears badly.
"hardware"

  "hardware"

  When purchasing a used car, first of all make sure that the vehicle's various ancillary equipment is working properly, such as wipers, mirrors, humidity meters, heaters, defrosters, lamps, turn signals, and air conditioning equipment. Then check the following items:

1 car paint

Observe whether there is any trace of heavy spray after the paint is peeled off, and check if there is any excess paint around the exhaust pipe, moldings, and windows. If the vehicle is refurbished, it can be used as a reference for the old and new vehicles.

2 body damage degree

Observing the joints of the car body, if the joints are not straight, the gaps are of different sizes, the lines are bent, and the decorative strips are peeled off, which proves that the car has had an accident, and has undergone overhaul or overhaul.

3 body corrosion degree

Mainly inspect the protective plate, windows, sink, floor, and whether or not there is any rust in the joints. If the corrosion is serious, it proves that the car is older.

4 Cases of shock absorbers and suspension systems

Press hard on the corner of the car. After relaxing, the vehicle should bounce back and beat freely two or three times. Otherwise it proves that the shock absorber or suspension spring is not working properly.

5 Front wheel alignment

Use the jack to lift the front wheel and use the left and right hand to swing the front wheel up and down. If there is a gap, the bearing and the ball head are worn. Observe whether the front wheel wear is uneven and whether there are cracks on both sides. If the eccentric wear is serious, prove that the front wheel is not positioned correctly.

6 Turning situation

Park the vehicle on a flat surface, turn the wheel back and turn the steering wheel to check if the steering free travel is too large and see if the steering rod and the ball head are loose.

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