NADA Used Car Guide has enhanced its ATD/NADA Official Commercial Truck Guide by adding a comprehensive set of values for Auxiliary Power Units (APUs), beginning with the December 2008 edition. The new APU values provide dealers, finance companies, insurance companies, fleets, and other industry professionals with timely pricing information on this component of the used-truck market.

Visit to order or learn more about the ATD/NADA Official Commercial Truck Guide, as well as the full line of vehicle valuation products from the NADA Used Car Guide.