Of course, you have to have access to multiple dealerships to use these "competitive" methods...
2014 Passat TDI SEL DSG (59k miles buyback)
2009 JSW TDI DSG (106k miles buyback)
2015 Nissan LeafS (purchased @6.7k miles Feb. 2016)
2014 Toyota Avalon Hybrid Limited (purchased @12k miles)
2013 Ford CMax Hybrid (purchased @40k miles)