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