Priced below KBB Fair Purchase Price! Black Onyx 2007 Buick Rainier CXL Vortec 5.3L V8 SFI Gen IV 4-Speed Automatic with Overdrive RWD Vortec 5.3L V8 SFI Gen IV. See this 2007 Buick Rainier and our strong selection of pre-owned inventory at classi...