Buying a used car is a big financial decision and as such you will want to make sure that you get the best used car possible. When shopping for used cars for sale in Michigan most people do not consider that reading reviews and ratings on a car before you buy can be extremely helpful. While most reviews come from people that have already owned the car many of the ratings that you will want to consider come from a variety of different agencies that are meant to rate different aspects of a vehicle. The safety rating of a vehicle for example is what you will want to look at if safety is your primary concern. Another rating that more and more people are starting to pay attention to when buying a used car is the fuel economy rating which can tell you how fuel efficient a particular vehicle is.