Nada Book
NADA Blue Book Value of a car is generally regarded by most as an accurate and fair representation of the state and condition of the car.
Source: http://nadabookinfo.com/determining-nada-blue-book-value-of-used-cars/
The National Automobile Dealers Association ( NADA) was established in order to protect the interest of car dealers across the United States. In 1917, a coalition of dealerships petitioned the US Government in an attempt to alleviate the high taxes on luxury vehicles.
