The 2009 Lexus IS-F runs on premium unleaded (required).
The 2009 Lexus IS-250 runs on premium unleaded (required).
The 2009 Lexus IS-350 runs on premium unleaded (required).
The 2009 Lexus GS-350 runs on premium unleaded (required).
The 2009 Lexus ES-350 runs on premium unleaded (required).
The 2009 Lexus LS-460 runs on premium unleaded (required).
The 2009 Lexus RX-350 runs on premium unleaded (required).
The 2009 Lexus LX-570 runs on premium unleaded (recommended).
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.
I think the most advanced car in the world today is Lexus 600hL. Aside from its other cutting edge latest innovations, the automated 'parking assist' feature is the first of its kind in a vehicle and is perhaps still exclusive to the Lexus LS 600h/LS600hL. Patrick A.O.