Age of is an important aspect. If the truck is very old then it may require replacement of some parts and costly maintenance. It is better to go for trucks less than three year old, if you are looking for a newer used truck. The depreciation rate is faster in the first three years than the rest of its life. The rate of depreciation slows down and levels off at about 3 years .You may find a used truck which is older but which may has low mileage. These trucks could be good as they would have less wear and tear, and would not need replacement of parts. It is always beneficial to have information about particular models of Used Trucks Sale too. Some well known models are long lasting vehicles with many miles racked up on them. You can avoid those types of trucks which are reported of having some common problems.