AutoNation Subaru West

Where do I start ? well I purchased a Honda Accord from Subaru West last year at which time I requested a Carfax report. One was provided that said the car was alright. Approximately 8 months later I was going to trade in the Honda for a Ford F150 in Longmont. During the buying process the dealer in Longmont ran a Carfax and the report came back that the car had been wrecked !! I returned to Subaru West and spoke with their sames manager who stated "Yeah I remember that car it, it was a trade in that was wrecked". In contacting Carfax they stated that the car was not reported wrecked by the dealer until after it was sold. Subaru West won't buy the car back and other dealers will only give me $6,000 for a car I paid $10,000 for.