Refurbished cars-mainly for car paints and cars refurbished in small garages. From different planes, the paint surface will be uneven and the color will be dim. There will be a big gap in the interior, but the parts that should be very old are very new and there are obvious signs of replacement. Judging from the frame number and engine number, is there any artificial carving phenomenon? The most important thing is to test drive. A overturned car will feel like it is falling apart when walking on a bumpy road. You can try braking suddenly and rubbing the wheels.

Accident car, mainly look at the big shelf, as well as hood, bumper and front wheel. Rear bumper, etc. If the car is good, the computer will decode it.

Stolen car, find the engine number and frame number, check online, see the owner's identity information, price and so on. In fact, the key to this thing is not to be greedy for cheap. There is a problem below the market price.