Buying a 2011 Hyundai Santa Fe, and saving $2000 off of MSRP.
Wholesale price report was not very usefull in this instance. The rebate's mentionned in the report were only available under strict circumstances. The price of the car was already reduced lower then suggested by the dealer before I even mentionned the price report.
Buying a 2011 Hyundai Sonata, and saving $2500 off of MSRP.
Having the car cost reports gave me a big advantage when it was time to negotiate the price. I knew exactly what the dealer was paying and it helped me determine what I was prepared to pay.
I did all my negotiating by phone before even showing up at the dealer. It removed a lot of stress from the whole car buying process. We were in & out the dealership within 1 hour (including car demonstration, test drive and the paperwork).