Thanks to Automotive News for the following info:
STUDY: USED TRUCK PRICES REBOUND: Falling gasoline prices helped boost wholesale prices of large used trucks in August, NADA AuctionNet data show. Average August wholesale prices of used full-sized pickups rose 7.7 percent — about $900 — from June 30, when gasoline prices peaked, according to AuctionNet. From Jan. 1 to Aug. 31, prices of big used pickups declined 14.5 percent. Similarly, August auction prices of large SUVs rose 8.9 percent — about $1,300– from June 30, but were down 11.3 percent for the year.
Automotive News, September 9, 2008