The 2009 Lexus IS-250 has a 6-speed manual.
The 2009 Lexus IS-350 has a 6-speed shiftable automatic.
The 2009 Lexus IS-F has a 8-speed shiftable automatic.
The 2009 Lexus RX-350 has a 5-speed automatic.
The 2009 Lexus LX-570 has a 6-speed shiftable automatic.
The 2009 Lexus GS-350 has a 6-speed shiftable automatic.
The 2009 Lexus GS-450H has a continuously variable-speed automatic.
The 2009 Lexus LS-460 has a 8-speed shiftable automatic.
Use exactly what is recommended by Lexus as listed in your owners manual.
The 2009 Lexus LS-600H-L has a continuously variable-speed automatic.
The 2006 Lexus IS-250 has a 6-speed manual.
The 2010 Lexus IS-250 has a 6-speed manual.