[L99BEN]

Originally Posted by JK001

Well, my local dealer (where I originally purchased my SS 1LE) just got a mosaic black ZL1 1LE. I figured it's the very end of the year, why not try to see what I can get out of it....
$28.5k trade-in for my pristine 3750 miles 1LE and $69k for the black ZL1 1LE. While the price of ZL1 1LE is pretty good, I was surprised by the trade-in. I figured I would get $32k, the sales manager would treat me better since I bought a $45k car from him 6 months ago..."met my sales numbers for the year already". Oh well!

You need to go to the dealer with a fair number you believe your car is worth and be aggressive about it. If they want to make a deal they will work with you. If not, move on to another dealer and try again.
I have usually been successful with this approach. If they do give the number you want for your trade be careful they don't try and screw you on the new car price as well.
If you just randomly walk in and say "appraise my car", they will likely low ball you as much as possible.