More and more people are buying cars. Although the rising oil prices make people sigh that it's not easy to maintain a car, it has not stopped the enthusiasm and steps of those without cars to buy one. It's just that people's attention has shifted more from considering their own needs to whether the car is fuel-efficient. Low fuel consumption and large space, economical, easy to maintain, have gradually become the primary conditions for people when buying a car. But the amount of information about cars is countless.