New 2013 or 2012 Jeep Grand Cherokee
Laredo has as little as $400 markup from sticker price, SRT8 has as much as $3800 markup. It all depends on trim level and options.
Check out this site and plug in all the options to give you some good information: Edmunds
Also, rebates and financing incentives are model and trim dependent. That site will give you all that information.