Car sense

Car hire how to select vehicle

1.  car as heavy as possible oil

  from a fuel standpoint, proportional to the vehicle weight and fuel consumption, weight cars more fuel, using a relatively poor economy. Small weight of the vehicle increases by 40 kg more fuel consumption 1%. But since major auto with sharp turns and the advantages of better stability under braking conditions, prone to "floating serves" phenomenon.  

2.  pros and cons of different driving modes

according to power drive way, car can is divided into "four round drive", "engine Qian reset, and rear axle drive", "engine Qian reset, and Qian bridge drive", "engine Hou reset, and rear axle drive" four species:  four round drive way main with in some SUV Shang, advantages makes before and after round are has drive force, traction big, through sex strong, adhesion big, stability good, body and drive system of plate than car thick, and safety high, for off-road. But the disadvantage is weight and poor fuel economy. Engine front and rear axle drive is mainly used in some intermediate and advanced cars, advantage is that the load on the bearing capacity of the bridge before and after basic, strong power, pull, when the ramp, dirt roads and bumpy roads, power, preventing the rear wheel side slip and stability is superior to the "front-front drive" car. But the drawback is the drive shaft back to the rear axle, resulting in raised the floor, several separate assemblies arranged, occupy more space, it is difficult to give the car a small. Front of engine, front axle drive mode is mainly used in small and medium sized cars, advantage is a drive shaft, floor flat, compact drive system, weight, floor lower, down the center of gravity. But the downside is the uphill weight backward, front axle load, does not produce enough traction, front axle weight on a slippery road and does not produce enough traction; downhill front axle overload, especially in downhill brake front axle load further. This model should not be on and off the slopes more mountains. Rear engine, rear-drive mode is mainly used in the micro-car, the advantage is a drive shaft, adhesion, traction, and wheelbase is small, no exhaust pipe under the floor, engine emissions, noise will not pollute the Interior. But the downside is the rear axle load, turn easy to slip, control systems are too long and complex structure, cooling system, trunk is too small.  

3.  automatic transmission auto save does not save money

Automatic (also known as the automatic transmission) is equipped with an automatic control device, driving in the stalls can be adjusted automatically according to the speed, manual operation, saving you a lot of shifting and stepping stepping on clutch work. Its downside is expensive, high maintenance costs, and oil than to use a manual fare, because the power transmission automatic transmission is done through the hydraulic, will cause loss of power at work. Especially at low speeds or when you stop-and-go traffic, but will also increase fuel consumption.  

4. Use radial tire car Assembly

  radial tire cars compared with cars equipped with tire, wear resistance can increase the 50%~100%, lower the rolling resistance 20%~30% and fuel 6%~8%.  

5.  selection of aluminum alloy wheels car

  current price of aluminum alloy wheels steel wheels about two or three times, but the benefits of its use is also much higher than steel wheels:

  (1) .  light weight, fuel;

  (2) .  good heat dissipation, increase tire life;

  (3) .  high roundness, you can improve the accuracy of wheel movement, suitable for high speeds;

  (4) .  elastic, improving vehicle ride and easier to absorb vibration and noise in the campaign;

  (5) .  100% recovery, are environmentally friendly products.  

6.  buy car 0 km

0 km car is a vehicle manufactured without any operations, sold or transported by special vehicles directly to vendors, the mileage is zero. At the time of purchase, do not select some mileage has been driving a new car (although this mileage is the delivery vehicle mileage). As delivery vehicle drivers often violate new car break-in period provisions, speeding to hurry, resulting in poor running, or even early wear of the engine, bought the car after the "" infinity.

7. Purchase channels

to strong and reputable vendors to buy cars, carefully verify its formal arrival procedures, not to buy smuggled cars, cheap private sale or is not in the national automobile production of the car factory. Car market because a certain scale, usually have industrial and commercial administrations, taxation departments, insurance companies and other units site, these units provide services for consumers on the one hand, and carry out management duties. In addition car dealers operating in these markets, market management qualification, if some unscrupulous dealers against consumer interests, generally in the market have been resolved.  

8.  to buy domestic or import car

imported cars from a quality perspective is superior to domestic cars, but from the integrated to analyze the advantages and disadvantages, in addition to the previous performance-price ratio in addition to cost of repairs and parts supply in the future, imports did not account for any advantage. Many domestic car repair outlets, whose charges are relatively cheap. Imported vehicles in the event of breakdown or accident, the repair is relatively trouble, imported cars fast performance, structural changes, some technical repair personnel are not comprehensive, it is difficult to provide high quality services, while imported parts is not only expensive, but also there are many counterfeit products.   Therefore, both in terms of economic or practical convenience into consideration, should try to choose a domestic brand cars.  

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