What is a good price for "03" S

[renvagn]

I appreciate any help as to a good offering price for a 2003 S.

From my discussion wtih the owner: Two owner car, midnight blue, beige leather/heated, clean car fax, no auto-X or DE, 2' hard to detect scratch on passenger side rocker panal, 20,000 miles, no IMS/RMS issues, no trans issues, denies any fluid leaks, advised to have brakes looked at in 5-7,000 miles is unsure if this entailed rotors-$$$$, cod AC, Bose premium stero with changer and sub woffer, possible PASM. Has his service records, but not from original owner. Told Mobil one used.

Auction prices are $19,500 - 21,000 for 03 S, 2005 with 25K is at $26,500

KBB in good condition is 21,140, retail excellent condition is $ 25,400, but scratch and lack of service records fails this catagory imo.

What do you think? Thanks.