The 2011 Lexus IS-350 runs on premium unleaded (required).
The 2011 Lexus IS-250 runs on premium unleaded (required).
The 2011 Lexus IS-F runs on premium unleaded (required).
The 2011 Lexus ES-350 runs on regular unleaded.
The 2011 Lexus CT-200H runs on regular unleaded.
The 2011 Lexus IS-250-C runs on premium unleaded (required).
The 2011 Lexus GS-450H runs on premium unleaded (required).
The 2011 Lexus RX-450H runs on premium unleaded (required).
The 2011 Lexus GS-350 runs on premium unleaded (required).
The 2011 Lexus LS-460 runs on premium unleaded (required).
The 2011 Lexus GX-460 runs on premium unleaded (required).
The 2011 Lexus LX-570 runs on premium unleaded (recommended).